EG3202 Pipe Thickness Retirement Guide

Title: PIPE THICKNESS RETIREMENT GUIDE

GPaIs

Approvals: Sponsor

Name C. Babcock

Signature ON FILE

Date 11/17/00

TABLE OF CO

1.0 PURPOSE ................................................... 2.0 SCOPE......................................................... 3.0 CODES, STANDARDS AND REFERENC 4.0 TABLE USAGE.......................................... 5.0 RETIREMENT THICKNESS CALCULA 5.1 Design Assumptions..................................... 5.2 Calculations .................................................. PIPE THICKNESS RETIREMENT TABLES ........... RECORD OF REVISIONS ...........................................

ENGINEERING GUIDELINE

uideline No : 3202 ge : 1 of 20

sue Date : June, 2000

Director, Specialty Engineering

M. R. Hoffman

ON FILE

01/14/01

NTENTS

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Standard No: 3202 PIPE THICKNESS RETIREMENT GUIDE

Issue Date: June, 2000

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1.0 PURPOSE

The purpose of this guideline is to provide a methodology and simplified tables to establish retirement thicknesses for pipes designed in accordance with ASME B31.3. This guideline should be used to conduct condition assessment of piping per EG 6002, Model Plant Procedure for condition Assessment.

2.0 SCOPE 2.1 The rules of this guideline apply only to uniform corrosion and not to scattered pitting or

localized thinning. For localized thinning, API 570, ASME B31G or appropriate Mechanical Integrity Risk Assessment document should be used.

2.2 Tables included in this guideline are for easy reference and are intended as screening tools to

establish a first-cut retirement thickness. The retirement thicknesses provided in the tables are only for the following conditions. For conditions other than the one specified below, use the equations presented in this guideline to calculate the retirement thickness.

2.2.1 Carbon steel (A53 Gr B, A106 Gr B), 1-1/4 Cr-1/2 Mo (A335 P11) and Type 304L stainless pipe

materials. 2.2.2 Maximum design temperature of 800° F. 2.2.3 Maximum design pressure of 1000 psi. 2.2.4 Pipe diameter between 1-1/2 and 36 in. inclusive. 2.2.5 Joint efficiency of 1.0 for seamless or 100% radiographed pipes and 0.85 for welded pipes. 2.2.6 Maximum span of 40 ft. 2.2.7 Liquid specific gravity of 1.0. 2.3 The retirement thicknesses contained in these tables might be excessively conservative for some

systems. This depends on how close the actual system design parameters are to the parameters used in the tables. Therefore a more detailed retirement thickness evaluation might be warranted before a final decision is made, if the tables indicate that pipe should be retired. The retirement thickness for the actual design conditions may be calculated using the equations presented in this document or using a computer program available with Specialty Engineering.

2.4 It is assumed that the entire line section under consideration has been inspected per API 570. If

the pipe is to be retained in service, the decision is based upon the area with the greatest metal loss.

2.5 These tables should not be used for pipe subject to vacuum, or for piping designed to meet the

requirements of other codes or standards. 2.6 All measurements are expressed in the U.S. Conventional System of Measurement, followed by,

in parenthesis, the equivalent SI units (metric). All SI units are for reference only and shall not be interpreted as a precise conversion.



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3.0 CODES, STANDARDS AND REFERENCES

The latest editions of the following codes and standards in effect on the date of contract award shall be used, except as otherwise specified.

3.1 Lyondell Engineering Standards and Guidelines

ES 205 Thermal InsulationEG 6002 Model Plant Procedure for Condition Assessments

3.2 American Society of Mechanical Engineers (ASME)

ASME B31.3 Chemical Plant and Petroleum Refinery Piping, 1990 Edition through 1991 Addenda

ASME B31G Manual for Determining the Remaining Strength of Corroded Pipelines 3.3 American Petroleum Standards (API) API 570 Piping Inspection Code 3.4 Victor, Helguero M., Piping Stress Handbook, Second Edition 1986.

4.0 TABLE USAGE

The following guidelines are provided for use of the tables. 4.1.1 Based on the design temperature, identify the applicable table for the given pipe size. Two tables

are given for each pipe size. One for design temperature 600°F and under, and the second for design temperature between 601°F and 800°F.

4.1.2 Based on the material, joint efficiency factor, and the span, identify the applicable row in the

Table. 4.1.3 Based on the design pressure identify the applicable column and read the retirement thickness.

The next higher value of design pressure should be used for design pressures between the values specified.

4.1.4 An estimate should be made of the maximum span between pipe support points. Tables are

provided for up to 20 ft (6 m) spans for pipe diameters under 6 in., and for both 20 ft (6 m) and 40 ft (12 m) spans for larger diameters. The table for the next higher support span from the actual value should be used for the evaluation.

4.1.5 Corrosion allowances are not included in the tables. If the piping is subject to corrosion, a

corrosion allowance must be added to the values contained in these tables. The corrosion allowance should be sufficient to allow the pipe to remain in service and not corrode below the tabulated thickness during the following interval of plant operation.

5.0 RETIREMENT THICKNESS CALCULATION



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5.1 Design Assumptions

The following assumptions apply to the calculations made to develop the retirement thicknesses contained in these tables.

5.1.1 Calculations were made for both the circumferential pipe stress due to internal pressure, and the

longitudinal pipe stress due to both internal pressure and uniform weight load. The larger thickness resulting from these two calculations is used in the tables.

5.1.2 The liquid specific gravity was assumed equal to 1.0. 5.1.3 The pipe is assumed to be insulated. Insulation was assumed to be calcium silicate having a

density of 11 lb/ft3. Insulation thickness used for each pipe size is given in the Table. 5.1.4 There are no large, local weight loads (e.g., valves, flanges, etc.) included in the calculations. It

is assumed that where these items are installed, they are located relatively close to support points. 5.1.5 Retirement thickness considerations at fabricated branch intersection points (i.e., unreinforced or

pad reinforced welded pipe intersections) are not included within these tables. The stated retirement thicknesses apply to locations that are at least one branch pipe diameter away from the branch pipe centerline where it intersects the header pipe. Corrosion located closer to the branch pipe intersection should be evaluated using ASME B31.3 branch reinforcement criteria.

5.1.6 The pipe wall thicknesses must be at least equal to the following minimum values, based on

nominal pipe diameter, D. This is to provide basic strength to resist mechanical damage due to imposed external loads not explicitly designed for.

D, in. t min , in.1-1/2 to 2-1/2 0.08 3 - 4 0.095 6 - 12 0.10 14 - 16 0.16 20 0.18 24 - 36 0.20

5.1.7 The pipe is assumed to be seamless (or have a weld joint efficiency of 1.0) for 6 in. and under for

carbon steel pipes, and 2 in. and under for stainless steel pipes. Both seamless and welded pipes (joint efficiency of 0.85) are evaluated for rest of the pipe sizes.

5.1.8 Pipe deflection was not used as a limiting criterion, because excessive deflection would not

constitute pipe failure. Thermal flexibility stresses were also not considered because these are a strong function of specific piping system layout and design details. Localized corrosion at stress intensification points (e.g., elbows, branch connections) should be evaluated on an individual basis for its impact on local thermal stresses and the probability of fatigue failure.

5.2 Calculations 5.2.1 The retirement thickness tables are based on the circumferential stress in the pipe due to internal

pressure, and the longitudinal stress in the pipe due to both internal pressure and dead weight loading. An iterative procedure was used to determine which condition governed pipe retirement



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in each case. The stress in the pipe was limited to the hot allowable stress of the pipe material in accordance with ASME B31.3.

5.2.2 The following equations were used:

Circumferential Stress, Sc

t = PD

2E(Sc + 0.4P)

Longitudinal Stress, SL

SL = 5 WL2 + PD - 0.2P

4Z 4t Where:

Sc = SL = S = hot allowable stress per ASME B31.3

t = allowable pipe wall thickness, in. ti = insulation thickness, in. P = internal pressure, psig D = pipe outside diameter, in. E = longitudinal weld joint efficiency L = straight span between pipe supports, ft Z = pipe section modules, in3

W = uniform weight load, lb/ft = Wp + WL + WI Wp = pipe weight WL = liquid contents weight WI = insulation weight

Using the circumferential stress equation, the determination of allowable thickness is simple and straightforward. The pipe thickness, t, is a direct function of the other parameters.

The longitudinal stress equation is more complicated to solve for allowable thickness because several terms are functions of thickness. The following summarizes the further development of the longitudinal stress equation as it was ultimately used in the calculations.

Z = π D2t = 0.785 D2t

4

WP = 10.68 Dt

WL = 0.34 (D-2t)2

WI = 0.24 (ti

2 - Dti)

SL = 1.25 WL2 + PD0.785D2t 4t



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SL = 1.592 WL2 + PD

D2t 4t

A computer program was used to iteratively solve the longitudinal stress equation for “t” based on input values of P, D, L, WI and S. The program also solved for the required “t” based on the simpler circumferential stress equation. The larger of the two calculated values and the values specified in paragraph 5.1.6 was used in the retirement Tables.

5.2.3 Of necessity, the pipe retirement tables specify particular pipe materials, design conditions, pipe

diameters and support spans to permit generalization. The Tables could be conservative for some piping systems. For example, if a 20 in. diameter pipe has a 25 ft (8 m) support span, the 40 ft (12 m) retirement table would have to be used. If this indicates the pipe is too thin and must be replaced, it would be worthwhile to use the equations directly for the 25 ft span and calculate a more accurate retirement thickness. Of course if internal pressure rather than support span governed the thickness, the 40 ft (12 m) vs. 25 ft (8 m) span is irrelevant. Other situations where specific calculations may be worthwhile are for vapor services, or situations with significantly different insulation details that were governed by the longitudinal stress equation.

5.2.4 The following example summarizes the use of these equations to solve for retirement thickness

(without going through all the iterations).

Example

Calculate retirement thickness for both liquid and gas service, 20 in. diameter, seamless, A53/B pipe under the following conditions:

P = 200 psig T = 700°F Span = 40 ft

Insulation Thickness = 4 in. Specific Gravity = 1.0

S = 16500 psi (from ASME B31.3)

• Circumferential Stress

t = PD = 200 x 20

2E(S + 0.4P) 2 x 1(16500 + 0.4 x 200)

t = 0.121 in. - Retirement thickness based only on circumferential stress.

Longitudinal Stress

In order to avoid the iterations needed, just assume the thickness is 0.131 in. In a real case, start with the thickness calculated for circumferential stress, and increase it as required until the longitudinal stress equation is satisfied.

WP = 10.68 Dt = 10.68 x 20 x 0.131 WP = 28 lb/ft

WL = 0.34(D-2t)2 = 0.34(20 - 2 x 0.131)2

WL = 132.5 lb/ft



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Wi = 0.24 (ti2 - Dti) = 0.24 (42 - 20x4)

Wi = 23.04 lb/ft

W = WP + WL + WI = 28 + 132.5 + 23.04 W = 183.5 lb/ft

SL = 1.592 WL2 + PD

D2t 4t

= 1.592 x 183.5 x 402 + 200 x 20 202 x 0.131 4 x 0.131

= 16553 psi

Therefore the retirement thickness must be 0.131 in. for liquid filled pipe.

If the pipe is in gas service, then WL = 0

W = 28 + 23.04 W = 51 lb/ft

Use t = 0.121 as an initial assumption for the longitudinal stress calculation, because the retirement thickness can’t be less than that needed for the circumferential stress.

SL = 1.592 x 51 x 402 + 200 x 20

202 x 0.121 4 x 0.121

SL = 10948 psi

Because this is still less than the allowable stress, the longitudinal stress calculation does not govern. The retirement thickness is 0.121 in.

5.2.5 A computer program is available with Specialty Engineering, which calculates the pipe

retirement thickness using the guidelines specified in this document. A copy of the program may be obtained from the Sponsor.



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PIPE THICKNESS RETIREMENT TABLES PIPE NOMINAL DIAMETER : 1.5 in.

Design Temperature: 600°F and under (Insulation = 1.5 in.)

Design Pressure, psig MATERIAL JE SPAN 100 200 300 400 500 600 700 800 900 1000 A53GrB 1 20 0.080 0.080 0.080 0.080 0.080 0.080 0.080 0.080 0.080 0.080 A335GrP11 1 20 0.080 0.080 0.080 0.080 0.080 0.080 0.080 0.080 0.080 0.080 A312Gr304L 1 20 0.080 0.080 0.080 0.080 0.080 0.080 0.080 0.080 0.080 0.082 A312Gr316L 1 20 0.080 0.080 0.080 0.080 0.080 0.080 0.080 0.080 0.082 0.085 Monel-400 1 20 0.080 0.080 0.080 0.080 0.080 0.080 0.080 0.080 0.080 0.080

Design Temperature : 601 to 800°F (Insulation = 2.5 in.) Design Pressure, psig

MATERIAL JE SPAN 100 200 300 400 500 600 700 800 900 1000 A53GrB 1 20 0.080 0.081 0.088 0.094 0.099 0.106 0.111 0.117 0.123 0.129 A335GrP11 1 20 0.080 0.080 0.080 0.080 0.080 0.080 0.080 0.080 0.082 0.086 A312Gr304L 1 20 0.080 0.080 0.080 0.080 0.080 0.083 0.087 0.092 0.097 0.101 A312Gr316L 1 20 0.080 0.080 0.080 0.080 0.083 0.088 0.092 0.098 0.103 0.107 Monel-400 1 20 0.080 0.080 0.080 0.080 0.080 0.080 0.080 0.082 0.087 0.090

PIPE NOMINAL DIAMETER :2 in.

Design Temperature:600°F and under (Insulation = 1.5 in.) Design Pressure, psig


Design Temperature: 601 - 800°F (Insulation = 2.5 in.) Design Pressure, psig




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PIPE NOMINAL DIAMETER : 2.5 in.

Design Temperature: 600°F and under (Insulation = 2 in.)

Design Pressure, psig MATERIAL JE SPAN 100 200 300 400 500 600 700 800 900 1000 A53GrB 1 20 0.080 0.080 0.080 0.080 0.080 0.080 0.080 0.080 0.080 0.081 A335GrP11 1 20 0.080 0.080 0.080 0.080 0.080 0.080 0.080 0.080 0.080 0.084 A312Gr304L 1 20 0.080 0.080 0.080 0.080 0.080 0.080 0.080 0.080 0.090 0.100 A312Gr316L 1 20 0.080 0.080 0.080 0.080 0.080 0.080 0.080 0.083 0.093 0.103 Monel-400 1 20 0.080 0.080 0.080 0.080 0.080 0.080 0.080 0.080 0.085 0.095



PIPE NOMINAL DIAMETER : 3 in.


Design Pressure, psig MATERIAL JE SPAN 100 200 300 400 500 600 700 800 900 1000 A53GrB 1 20 0.095 0.095 0.095 0.095 0.095 0.095 0.095 0.095 0.095 0.099 A335GrP11 1 20 0.095 0.095 0.095 0.095 0.095 0.095 0.095 0.095 0.095 0.102 A312Gr304L 1 20 0.095 0.095 0.095 0.095 0.095 0.095 0.095 0.098 0.110 0.122 A312Gr304L 0.85 20 0.095 0.095 0.095 0.095 0.095 0.095 0.101 0.115 0.129 0.143 A312Gr316L 1 20 0.095 0.095 0.095 0.095 0.095 0.095 0.095 0.101 0.114 0.126 Monel-400 1 20 0.095 0.095 0.095 0.095 0.095 0.095 0.095 0.095 0.104 0.115


MATERIAL JE SPAN 100 200 300 400 500 600 700 800 900 1000 A53GrB 1 20 0.095 0.095 0.095 0.095 0.095 0.101 0.111 0.126 0.141 0.156 A335GrP11 1 20 0.095 0.095 0.095 0.095 0.095 0.095 0.095 0.095 0.104 0.115 A312Gr304L 1 20 0.095 0.095 0.095 0.095 0.095 0.095 0.095 0.105 0.118 0.131 A312Gr304L 0.85 20 0.095 0.095 0.095 0.095 0.095 0.095 0.109 0.124 0.139 0.154 A312Gr316L 1 20 0.095 0.095 0.095 0.095 0.095 0.095 0.097 0.110 0.123 0.137 Monel-400 1 20 0.095 0.095 0.095 0.095 0.095 0.095 0.095 0.096 0.108 0.120



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Design Pressure, psig MATERIAL JE SPAN 100 200 300 400 500 600 700 800 900 1000 A53GrB 1 20 0.095 0.095 0.095 0.095 0.095 0.095 0.095 0.102 0.115 0.127 A335GrP11 1 20 0.095 0.095 0.095 0.095 0.095 0.095 0.095 0.106 0.119 0.132 A312Gr304L 1 20 0.095 0.095 0.095 0.095 0.095 0.095 0.110 0.126 0.141 0.156 A312Gr304L 0.85 20 0.095 0.095 0.095 0.095 0.095 0.112 0.130 0.148 0.166 0.184 A312Gr316L 1 20 0.095 0.095 0.095 0.095 0.095 0.098 0.114 0.130 0.146 0.162 A312Gr316L 0.85 20 0.095 0.095 0.095 0.095 0.097 0.116 0.134 0.153 0.172 0.190 Monel-400 1 20 0.095 0.095 0.095 0.095 0.095 0.095 0.104 0.119 0.134 0.148 Monel-400 0.85 20 0.095 0.095 0.095 0.095 0.095 0.106 0.123 0.140 0.157 0.174


MATERIAL JE SPAN 100 200 300 400 500 600 700 800 900 1000 A53GrB 1 20 0.095 0.095 0.095 0.095 0.102 0.122 0.142 0.162 0.181 0.201 A335GrP11 1 20 0.095 0.095 0.095 0.095 0.095 0.095 0.104 0.119 0.134 0.148 A312Gr304L 1 20 0.095 0.095 0.095 0.095 0.095 0.102 0.119 0.135 0.152 0.168 A312Gr304L 0.85 20 0.095 0.095 0.095 0.095 0.100 0.120 0.140 0.159 0.178 0.198 A312Gr316L 1 20 0.095 0.095 0.095 0.095 0.095 0.107 0.124 0.142 0.159 0.176 A312Gr316L 0.85 20 0.095 0.095 0.095 0.095 0.105 0.126 0.146 0.166 0.187 0.207 Monel-400 1 20 0.095 0.095 0.095 0.095 0.095 0.095 0.109 0.124 0.139 0.154 Monel-400 0.85 20 0.095 0.095 0.095 0.095 0.095 0.110 0.128 0.146 0.164 0.181


Design Temperature: 600°F and under (Insulation = 2 in.) Design Pressure, psig

MATERIAL JE SPAN 100 200 300 400 500 600 700 800 900 1000 A53GrB 1 20 0.100 0.100 0.100 0.100 0.100 0.113 0.132 0.150 0.169 0.187 A335GrP11 1 20 0.100 0.100 0.100 0.100 0.100 0.117 0.137 0.156 0.175 0.194 A312Gr304L 1 20 0.100 0.100 0.100 0.100 0.117 0.140 0.162 0.185 0.208 0.230 A312Gr304L 0.85 20 0.100 0.100 0.100 0.110 0.137 0.164 0.191 0.218 0.244 0.271 A312Gr316L 1 20 0.100 0.100 0.100 0.100 0.121 0.145 0.168 0.192 0.215 0.238 A312Gr316L 0.85 20 0.100 0.100 0.100 0.114 0.142 0.170 0.198 0.226 0.253 0.280 Monel-400 1 20 0.100 0.100 0.100 0.100 0.124 0.148 0.172 0.196 0.220 0.244 Monel-400 0.85 20 0.100 0.100 0.100 0.117 0.145 0.174 0.202 0.231 0.259 0.287



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Design Temperature: 601 - 800°F (Insulation = 3 in.)

Design Pressure, psig MATERIAL JE SPAN 100 200 300 400 500 600 700 800 900 1000 A53GrB 1 20 0.100 0.100 0.100 0.121 0.151 0.180 0.209 0.238 0.267 0.296 A335GrP11 1 20 0.100 0.100 0.100 0.100 0.110 0.132 0.154 0.175 0.197 0.218 A312Gr304L 1 20 0.100 0.100 0.100 0.101 0.125 0.150 0.175 0.199 0.223 0.247 A312Gr304L 0.85 20 0.100 0.100 0.100 0.118 0.148 0.177 0.205 0.234 0.263 0.291 A312Gr316L 1 20 0.100 0.100 0.100 0.105 0.131 0.157 0.183 0.208 0.234 0.259 A312Gr316L 0.85 20 0.100 0.100 0.100 0.124 0.155 0.185 0.215 0.245 0.275 0.304 Monel-400 1 20 0.100 0.100 0.100 0.103 0.128 0.154 0.179 0.204 0.228 0.253 Monel-400 0.85 20 0.100 0.100 0.100 0.121 0.151 0.181 0.210 0.239 0.269 0.297



MATERIAL JE SPAN 100 200 300 400 500 600 700 800 900 1000 A53GrB 1 20 0.100 0.100 0.100 0.100 0.123 0.148 0.172 0.196 0.220 0.244 A53GrB 1 40 0.100 0.101 0.115 0.130 0.144 0.160 0.174 0.196 0.220 0.244 A53GrB 0.85 20 0.100 0.100 0.100 0.116 0.145 0.174 0.202 0.230 0.259 0.287 A53GrB 0.85 40 0.100 0.100 0.115 0.130 0.145 0.174 0.202 0.230 0.259 0.287 A335GrP11 1 20 0.100 0.100 0.100 0.102 0.128 0.153 0.178 0.203 0.228 0.252 A335GrP11 1 40 0.100 0.104 0.120 0.135 0.151 0.167 0.182 0.203 0.228 0.252 A335GrP11 0.85 20 0.100 0.100 0.100 0.120 0.150 0.180 0.209 0.238 0.268 0.297 A335GrP11 0.85 40 0.100 0.104 0.120 0.135 0.151 0.180 0.209 0.238 0.268 0.297 A312Gr304L 1 20 0.100 0.100 0.100 0.122 0.152 0.182 0.211 0.241 0.270 0.299 A312Gr304L 1 40 0.111 0.130 0.149 0.168 0.187 0.206 0.224 0.244 0.270 0.299 A312Gr304L 0.85 20 0.100 0.100 0.108 0.143 0.179 0.214 0.249 0.283 0.318 0.352 A312Gr304L 0.85 40 0.111 0.130 0.149 0.168 0.187 0.214 0.249 0.283 0.318 0.352 A312Gr316L 1 20 0.100 0.100 0.100 0.126 0.157 0.188 0.219 0.250 0.280 0.310 A312Gr316L 1 40 0.116 0.136 0.156 0.175 0.195 0.215 0.235 0.255 0.280 0.310 A312Gr316L 0.85 20 0.100 0.100 0.112 0.149 0.185 0.222 0.258 0.294 0.329 0.365 A312Gr316L 0.85 40 0.116 0.136 0.156 0.176 0.195 0.222 0.258 0.294 0.329 0.365 Monel-400 1 20 0.100 0.100 0.100 0.129 0.161 0.193 0.224 0.255 0.286 0.317 Monel-400 1 40 0.120 0.140 0.160 0.181 0.201 0.222 0.242 0.262 0.286 0.317 Monel-400 0.85 20 0.100 0.100 0.114 0.152 0.189 0.226 0.263 0.300 0.337 0.373 Monel-400 0.85 40 0.119 0.139 0.160 0.181 0.201 0.226 0.263 0.300 0.337 0.373

Design Temperature: 601 - 800°F (Insulation = 3 in.) Design Pressure, psig

MATERIAL JE SPAN 100 200 300 400 500 600 700 800 900 1000 A53GrB 1 20 0.100 0.100 0.118 0.157 0.196 0.234 0.272 0.310 0.348 0.385 A53GrB 1 40 0.169 0.195 0.221 0.247 0.274 0.300 0.326 0.352 0.378 0.404 A53GrB 0.85 20 0.100 0.100 0.139 0.185 0.231 0.276 0.321 0.365 0.409 0.453 A53GrB 0.85 40 0.169 0.195 0.221 0.247 0.274 0.300 0.326 0.365 0.409 0.453 A335GrP11 1 20 0.100 0.100 0.100 0.115 0.144 0.172 0.200 0.228 0.256 0.284 A335GrP11 1 40 0.113 0.131 0.149 0.166 0.184 0.201 0.219 0.237 0.256 0.284 335GrP11 0.85 20 0.100 0.100 0.102 0.136 0.169 0.202 0.236 0.268 0.301 0.334 A335GrP11 0.85 40 0.113 0.130 0.148 0.166 0.184 0.202 0.236 0.268 0.301 0.334 A312Gr304L 1 20 0.100 0.100 0.100 0.131 0.163 0.195 0.227 0.259 0.291 0.322



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A312Gr304L 1 40 0.132 0.153 0.175 0.195 0.215 0.236 0.257 0.278 0.299 0.322 A312Gr304L 0.85 20 0.100 0.100 0.116 0.154 0.192 0.230 0.267 0.305 0.342 0.379 A312Gr304L 0.85 40 0.133 0.154 0.174 0.195 0.216 0.237 0.267 0.305 0.342 0.379 A312Gr316L 1 20 0.100 0.100 0.103 0.137 0.171 0.205 0.238 0.271 0.304 0.337 A312Gr316L 1 40 0.141 0.163 0.185 0.207 0.229 0.251 0.273 0.295 0.317 0.339 A312Gr316L 0.85 20 0.100 0.100 0.122 0.162 0.201 0.241 0.280 0.319 0.358 0.396 A312Gr316L 0.85 40 0.141 0.163 0.185 0.207 0.229 0.251 0.280 0.319 0.358 0.396 Monel-400 1 20 0.100 0.100 0.101 0.134 0.167 0.200 0.233 0.265 0.297 0.329 Monel-400 1 40 0.137 0.157 0.179 0.201 0.222 0.244 0.265 0.286 0.307 0.329 Monel-400 0.85 20 0.100 0.100 0.119 0.158 0.197 0.235 0.274 0.312 0.350 0.387 Monel-400 0.85 40 0.137 0.158 0.180 0.201 0.223 0.243 0.274 0.312 0.350 0.387



MATERIAL JE SPAN 100 200 300 400 500 600 700 800 900 1000 A53GrB 1 20 0.100 0.100 0.100 0.123 0.154 0.184 0.214 0.244 0.274 0.304 A53GrB 1 40 0.100 0.101 0.120 0.137 0.155 0.184 0.214 0.244 0.274 0.304 A53GrB 0.85 20 0.100 0.100 0.109 0.145 0.181 0.216 0.252 0.287 0.322 0.357 A53GrB 0.85 40 0.100 0.102 0.119 0.145 0.181 0.216 0.252 0.287 0.322 0.357 A335GrP11 1 20 0.100 0.100 0.100 0.128 0.159 0.190 0.222 0.253 0.284 0.314 A335GrP11 1 40 0.100 0.105 0.124 0.143 0.161 0.190 0.222 0.253 0.284 0.314 A335GrP11 0.85 20 0.100 0.100 0.113 0.150 0.187 0.224 0.261 0.297 0.334 0.370 A335GrP11 0.85 40 0.100 0.105 0.124 0.150 0.187 0.224 0.261 0.297 0.334 0.370 A312Gr304L 1 20 0.100 0.100 0.114 0.152 0.189 0.226 0.263 0.300 0.337 0.373 A312Gr304L 1 40 0.107 0.129 0.152 0.175 0.197 0.226 0.263 0.300 0.337 0.373 A312Gr304L 0.85 20 0.100 0.100 0.134 0.179 0.223 0.266 0.310 0.353 0.396 0.439 A312Gr304L 0.85 40 0.107 0.130 0.152 0.179 0.223 0.266 0.310 0.353 0.396 0.439 A312Gr316L 1 20 0.100 0.100 0.118 0.157 0.196 0.235 0.273 0.311 0.349 0.387 A312Gr316L 1 40 0.112 0.135 0.159 0.182 0.206 0.235 0.273 0.311 0.349 0.387 A312Gr316L 0.85 20 0.100 0.100 0.139 0.185 0.231 0.276 0.321 0.366 0.411 0.455 A312Gr316L 0.85 40 0.112 0.135 0.159 0.185 0.231 0.276 0.321 0.366 0.411 0.455 Monel-400 1 20 0.100 0.100 0.121 0.161 0.201 0.240 0.279 0.318 0.357 0.395 Monel-400 1 40 0.115 0.139 0.163 0.188 0.212 0.240 0.279 0.318 0.357 0.395 Monel-400 0.85 20 0.100 0.100 0.142 0.189 0.236 0.282 0.328 0.374 0.420 0.465 Monel-400 0.85 40 0.115 0.139 0.163 0.189 0.236 0.282 0.328 0.374 0.420 0.465


MATERIAL JE SPAN 100 200 300 400 500 600 700 800 900 1000 A53GrB 1 20 0.100 0.100 0.148 0.196 0.244 0.292 0.340 0.387 0.433 0.480 A53GrB 1 40 0.157 0.188 0.219 0.249 0.280 0.311 0.342 0.387 0.433 0.480 A53GrB 0.85 20 0.100 0.116 0.174 0.231 0.287 0.344 0.400 0.455 0.510 0.565 A53GrB 0.85 40 0.156 0.187 0.219 0.250 0.287 0.344 0.400 0.455 0.510 0.565 A335GrP11 1 20 0.100 0.100 0.108 0.144 0.179 0.214 0.250 0.284 0.319 0.354 A335GrP11 1 40 0.107 0.128 0.149 0.171 0.192 0.214 0.250 0.284 0.319 0.354 A335GrP11 0.85 20 0.100 0.100 0.127 0.169 0.211 0.252 0.294 0.335 0.375 0.416 A335GrP11 0.85 40 0.107 0.128 0.149 0.170 0.211 0.252 0.294 0.335 0.375 0.416 A312Gr304L 1 20 0.100 0.100 0.123 0.163 0.204 0.244 0.283 0.323 0.362 0.401



of 20

A312Gr304L 1 40 0.124 0.149 0.174 0.198 0.224 0.249 0.283 0.323 0.362 0.401 A312Gr304L 0.85 20 0.100 0.100 0.145 0.192 0.240 0.287 0.333 0.380 0.426 0.472 A312Gr304L 0.85 40 0.124 0.150 0.175 0.199 0.240 0.287 0.333 0.380 0.426 0.472 A312Gr316L 1 20 0.100 0.100 0.129 0.171 0.213 0.255 0.297 0.338 0.379 0.420 A312Gr316L 1 40 0.132 0.158 0.185 0.210 0.236 0.263 0.297 0.338 0.379 0.420 A312Gr316L 0.85 20 0.100 0.101 0.152 0.201 0.251 0.300 0.349 0.398 0.446 0.494 A312Gr316L 0.85 40 0.132 0.158 0.185 0.210 0.251 0.300 0.349 0.398 0.446 0.494 Monel-400 1 20 0.100 0.100 0.126 0.167 0.208 0.249 0.290 0.330 0.370 0.410 Monel-400 1 40 0.128 0.154 0.179 0.204 0.230 0.255 0.290 0.330 0.370 0.410 Monel-400 0.85 20 0.100 0.100 0.148 0.197 0.245 0.293 0.341 0.389 0.436 0.483 Monel-400 0.85 40 0.129 0.154 0.179 0.205 0.245 0.293 0.341 0.389 0.436 0.483



MATERIAL JE SPAN 100 200 300 400 500 600 700 800 900 1000 A53GrB 1 20 0.100 0.100 0.110 0.146 0.182 0.218 0.254 0.289 0.325 0.360 A53GrB 1 40 0.100 0.104 0.125 0.146 0.182 0.218 0.254 0.289 0.325 0.360 A53GrB 0.85 20 0.100 0.100 0.129 0.172 0.214 0.257 0.299 0.341 0.382 0.424 A53GrB 0.85 40 0.100 0.104 0.129 0.172 0.214 0.257 0.299 0.341 0.382 0.424 A335GrP11 1 20 0.100 0.100 0.114 0.151 0.189 0.226 0.263 0.300 0.336 0.373 A335GrP11 1 40 0.100 0.108 0.130 0.151 0.189 0.226 0.263 0.300 0.336 0.373 A335GrP11 0.85 20 0.100 0.100 0.134 0.178 0.222 0.266 0.309 0.353 0.396 0.439 A335GrP11 0.85 40 0.100 0.108 0.134 0.178 0.222 0.266 0.309 0.353 0.396 0.439 A312Gr304L 1 20 0.100 0.100 0.135 0.180 0.224 0.269 0.313 0.356 0.400 0.443 A312Gr304L 1 40 0.106 0.133 0.158 0.185 0.224 0.269 0.313 0.356 0.400 0.443 A312Gr304L 0.85 20 0.100 0.107 0.159 0.212 0.264 0.316 0.368 0.419 0.470 0.521 A312Gr304L 0.85 40 0.106 0.133 0.159 0.212 0.264 0.316 0.368 0.419 0.470 0.521 A312Gr316L 1 20 0.100 0.100 0.140 0.187 0.233 0.278 0.324 0.369 0.414 0.459 A312Gr316L 1 40 0.111 0.138 0.165 0.193 0.233 0.278 0.324 0.369 0.414 0.459 A312Gr316L 0.85 20 0.100 0.110 0.165 0.220 0.274 0.328 0.381 0.434 0.487 0.540 A312Gr316L 0.85 40 0.110 0.138 0.165 0.220 0.274 0.328 0.381 0.434 0.487 0.540


MATERIAL JE SPAN 100 200 300 400 500 600 700 800 900 1000 A53GrB 1 20 0.100 0.117 0.175 0.233 0.290 0.346 0.403 0.459 0.514 0.569 A53GrB 1 40 0.152 0.187 0.222 0.258 0.293 0.346 0.403 0.459 0.514 0.569 A53GrB 0.85 20 0.100 0.138 0.206 0.274 0.341 0.408 0.474 0.540 0.605 0.670 A53GrB 0.85 40 0.151 0.187 0.222 0.274 0.341 0.408 0.474 0.540 0.605 0.670 A335GrP11 1 20 0.100 0.100 0.128 0.170 0.212 0.254 0.296 0.337 0.378 0.419 A335GrP11 1 40 0.105 0.130 0.154 0.178 0.212 0.254 0.296 0.337 0.378 0.419 A335GrP11 0.85 20 0.100 0.101 0.151 0.201 0.250 0.299 0.348 0.397 0.445 0.493 A335GrP11 0.85 40 0.105 0.129 0.154 0.201 0.250 0.299 0.348 0.397 0.445 0.493 A312Gr304L 1 20 0.100 0.100 0.146 0.194 0.241 0.289 0.336 0.383 0.429 0.476 A312Gr304L 1 40 0.122 0.150 0.179 0.207 0.241 0.289 0.336 0.383 0.429 0.476 A312Gr304L 0.85 20 0.100 0.115 0.171 0.228 0.284 0.340 0.395 0.450 0.505 0.560 A312Gr304L 0.85 40 0.122 0.151 0.178 0.228 0.284 0.340 0.395 0.450 0.505 0.560 A312Gr316L 1 20 0.100 0.102 0.153 0.203 0.253 0.303 0.352 0.401 0.450 0.498



of 20

A312Gr316L 1 40 0.128 0.159 0.189 0.219 0.253 0.303 0.352 0.401 0.450 0.498 A312Gr316L 0.85 20 0.100 0.120 0.180 0.239 0.298 0.356 0.414 0.472 0.529 0.586 A312Gr316L 0.85 40 0.128 0.159 0.189 0.239 0.298 0.356 0.414 0.472 0.529 0.586



MATERIAL JE SPAN 100 200 300 400 500 600 700 800 900 1000 A53GrB 1 <40 0.160 0.160 0.160 0.160 0.200 0.239 0.279 0.318 0.357 0.395 A53GrB 0.85 <40 0.160 0.160 0.160 0.189 0.235 0.282 0.328 0.374 0.420 0.465 A335GrP11 1 <40 0.160 0.160 0.160 0.166 0.207 0.248 0.289 0.329 0.369 0.409 A335GrP11 0.85 <40 0.160 0.160 0.160 0.195 0.244 0.292 0.339 0.387 0.434 0.482 A312Gr304L 1 20 0.160 0.160 0.160 0.198 0.246 0.295 0.343 0.391 0.439 0.486 A312Gr304L 1 40 0.160 0.160 0.163 0.198 0.246 0.295 0.343 0.391 0.439 0.486 A312Gr304L 0.85 20 0.160 0.160 0.175 0.233 0.290 0.347 0.404 0.460 0.516 0.572 A312Gr304L 0.85 40 0.160 0.160 0.175 0.233 0.290 0.347 0.404 0.460 0.516 0.572 A312Gr316L 1 20 0.160 0.160 0.160 0.205 0.255 0.306 0.356 0.405 0.455 0.504 A312Gr316L 1 40 0.160 0.160 0.170 0.205 0.255 0.306 0.356 0.405 0.455 0.504 A312Gr316L 0.85 20 0.160 0.160 0.181 0.241 0.301 0.360 0.418 0.477 0.535 0.592 A312Gr316L 0.85 40 0.160 0.160 0.181 0.241 0.301 0.360 0.418 0.477 0.535 0.592



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Design Temperature: 601 - 800°F (Insulation = 3 in.)

Design Pressure, psig MATERIAL JE SPAN 100 200 300 400 500 600 700 800 900 1000 A53GrB 1 20 0.160 0.160 0.192 0.255 0.318 0.380 0.442 0.504 0.565 0.625 A53GrB 1 40 0.160 0.189 0.226 0.264 0.318 0.380 0.442 0.504 0.565 0.625 A53GrB 0.85 20 0.160 0.160 0.226 0.301 0.374 0.448 0.520 0.592 0.664 0.735 A53GrB 0.85 40 0.160 0.188 0.227 0.301 0.374 0.448 0.520 0.592 0.664 0.735 A335GrP11 1 20 0.160 0.160 0.160 0.187 0.233 0.279 0.325 0.370 0.416 0.461 A335GrP11 1 40 0.160 0.160 0.160 0.187 0.233 0.279 0.325 0.370 0.416 0.461 A335GrP11 0.85 20 0.160 0.160 0.166 0.220 0.275 0.329 0.382 0.436 0.489 0.542 A335GrP11 0.85 40 0.160 0.160 0.166 0.220 0.275 0.329 0.382 0.436 0.489 0.542 A312Gr304L 1 20 0.160 0.160 0.160 0.213 0.265 0.317 0.369 0.420 0.472 0.522 A312Gr304L 1 40 0.160 0.160 0.183 0.214 0.265 0.317 0.369 0.420 0.472 0.522 A312Gr304L 0.85 20 0.160 0.160 0.188 0.250 0.312 0.373 0.434 0.495 0.555 0.615 A312Gr304L 0.85 40 0.160 0.160 0.188 0.250 0.312 0.373 0.434 0.495 0.555 0.615 A312Gr316L 1 20 0.160 0.160 0.168 0.223 0.278 0.332 0.386 0.440 0.494 0.547 A312Gr316L 1 40 0.160 0.160 0.193 0.226 0.278 0.332 0.386 0.440 0.494 0.547 A312Gr316L 0.85 20 0.160 0.160 0.197 0.262 0.327 0.391 0.455 0.518 0.581 0.643 A312Gr316L 0.85 40 0.160 0.160 0.197 0.262 0.327 0.391 0.455 0.518 0.581 0.643



MATERIAL JE SPAN 100 200 300 400 500 600 700 800 900 1000 A53GrB 1 <40 0.160 0.160 0.160 0.183 0.229 0.274 0.319 0.363 0.408 0.452 A53GrB 0.85 <40 0.160 0.160 0.162 0.216 0.269 0.322 0.375 0.427 0.480 0.532 A335GrP11 1 <40 0.160 0.160 0.160 0.190 0.237 0.283 0.330 0.376 0.422 0.468 A335GrP11 0.85 <40 0.160 0.160 0.168 0.223 0.278 0.333 0.388 0.442 0.497 0.550 A312Gr304L 1 20 0.160 0.160 0.170 0.226 0.282 0.337 0.392 0.447 0.501 0.556 A312Gr304L 1 40 0.160 0.160 0.171 0.226 0.282 0.337 0.392 0.447 0.501 0.556 A312Gr304L 0.85 20 0.160 0.160 0.200 0.266 0.331 0.397 0.461 0.526 0.590 0.654 A312Gr304L 0.85 40 0.160 0.160 0.200 0.266 0.331 0.397 0.461 0.526 0.590 0.654 A312Gr316L 1 20 0.160 0.160 0.176 0.234 0.292 0.349 0.406 0.463 0.519 0.576 A312Gr316L 1 40 0.160 0.160 0.178 0.234 0.292 0.349 0.406 0.463 0.519 0.576 A312Gr316L 0.85 20 0.160 0.160 0.207 0.276 0.343 0.411 0.478 0.545 0.611 0.677 A312Gr316L 0.85 40 0.160 0.160 0.207 0.276 0.343 0.411 0.478 0.545 0.611 0.677


MATERIAL JE SPAN 100 200 300 400 500 600 700 800 900 1000 A53GrB 1 20 0.160 0.160 0.220 0.292 0.364 0.435 0.505 0.576 0.645 0.714 A53GrB 1 40 0.160 0.193 0.236 0.292 0.364 0.435 0.505 0.576 0.645 0.714 A53GrB 0.85 20 0.160 0.173 0.259 0.343 0.428 0.512 0.595 0.677 0.759 0.840 A53GrB 0.85 40 0.160 0.193 0.259 0.343 0.428 0.512 0.595 0.677 0.759 0.840 A335GrP11 1 20 0.160 0.160 0.161 0.214 0.267 0.319 0.371 0.423 0.475 0.526 A335GrP11 1 40 0.160 0.160 0.165 0.214 0.267 0.319 0.371 0.423 0.475 0.526 A335GrP11 0.85 20 0.160 0.160 0.189 0.252 0.314 0.375 0.437 0.498 0.559 0.619 A335GrP11 0.85 40 0.160 0.160 0.189 0.252 0.314 0.375 0.437 0.498 0.559 0.619



of 20

A312Gr304L 1 20 0.160 0.160 0.183 0.243 0.303 0.363 0.422 0.480 0.539 0.597 A312Gr304L 1 40 0.160 0.160 0.191 0.243 0.303 0.363 0.422 0.480 0.539 0.597 A312Gr304L 0.85 20 0.160 0.160 0.215 0.286 0.357 0.427 0.496 0.565 0.634 0.702 A312Gr304L 0.85 40 0.160 0.160 0.215 0.286 0.357 0.427 0.496 0.565 0.634 0.702 A312Gr316L 1 20 0.160 0.160 0.192 0.255 0.317 0.380 0.442 0.503 0.564 0.625 A312Gr316L 1 40 0.160 0.164 0.201 0.255 0.317 0.380 0.442 0.503 0.564 0.625 A312Gr316L 0.85 20 0.160 0.160 0.226 0.300 0.373 0.447 0.520 0.592 0.664 0.735 A312Gr316L 0.85 40 0.160 0.165 0.226 0.300 0.373 0.447 0.520 0.592 0.664 0.735



MATERIAL JE SPAN 100 200 300 400 500 600 700 800 900 1000 A53GrB 1 <40 0.180 0.180 0.180 0.206 0.257 0.308 0.358 0.409 0.459 0.508 A53GrB 0.85 <40 0.180 0.180 0.182 0.243 0.303 0.362 0.422 0.481 0.540 0.598 A335GrP11 1 <40 0.180 0.180 0.180 0.214 0.266 0.319 0.371 0.423 0.475 0.526 A335GrP11 0.85 <40 0.180 0.180 0.189 0.251 0.313 0.375 0.436 0.498 0.559 0.619 A312Gr304L 1 <40 0.180 0.180 0.191 0.254 0.317 0.379 0.441 0.503 0.564 0.625 A312Gr304L 0.85 <40 0.180 0.180 0.225 0.299 0.373 0.446 0.519 0.592 0.664 0.735 A312Gr316L 1 20 0.180 0.180 0.198 0.264 0.328 0.393 0.457 0.521 0.584 0.647 A312Gr316L 1 40 0.180 0.180 0.198 0.264 0.328 0.393 0.457 0.521 0.584 0.647 A312Gr316L 0.85 20 0.180 0.180 0.233 0.310 0.386 0.462 0.538 0.613 0.688 0.762 A312Gr316L 0.85 40 0.180 0.180 0.233 0.310 0.386 0.462 0.538 0.613 0.688 0.762


MATERIAL JE SPAN 100 200 300 400 500 600 700 800 900 1000 A53GrB 1 20 0.180 0.180 0.247 0.328 0.409 0.489 0.569 0.647 0.726 0.804 A53GrB 1 40 0.180 0.200 0.248 0.328 0.409 0.489 0.569 0.647 0.726 0.804 A53GrB 0.85 20 0.180 0.195 0.291 0.386 0.481 0.575 0.669 0.762 0.854 0.945 A53GrB 0.85 40 0.180 0.201 0.291 0.386 0.481 0.575 0.669 0.762 0.854 0.945 A335GrP11 1 20 0.180 0.180 0.181 0.241 0.300 0.359 0.418 0.476 0.534 0.592 A335GrP11 1 40 0.180 0.180 0.181 0.241 0.300 0.359 0.418 0.476 0.534 0.592 A335GrP11 0.85 20 0.180 0.180 0.213 0.283 0.353 0.422 0.491 0.560 0.629 0.697 A335GrP11 0.85 40 0.180 0.180 0.213 0.283 0.353 0.422 0.491 0.560 0.629 0.697 A312Gr304L 1 20 0.180 0.180 0.206 0.274 0.341 0.408 0.474 0.541 0.606 0.672 A312Gr304L 1 40 0.180 0.180 0.206 0.274 0.341 0.408 0.474 0.541 0.606 0.672 A312Gr304L 0.85 20 0.180 0.180 0.242 0.322 0.401 0.480 0.558 0.636 0.713 0.790 A312Gr304L 0.85 40 0.180 0.180 0.242 0.322 0.401 0.480 0.558 0.636 0.713 0.790 A312Gr316L 1 20 0.180 0.180 0.216 0.287 0.357 0.427 0.497 0.566 0.635 0.703 A312Gr316L 1 40 0.180 0.180 0.216 0.287 0.357 0.427 0.497 0.566 0.635 0.703 A312Gr316L 0.85 20 0.180 0.180 0.254 0.337 0.420 0.503 0.585 0.666 0.747 0.827 A312Gr316L 0.85 40 0.180 0.180 0.254 0.337 0.420 0.503 0.585 0.666 0.747 0.827




of 20


Design Pressure, psig MATERIAL JE SPAN 100 200 300 400 500 600 700 800 900 1000 A53GrB 1 <40 0.180 0.180 0.180 0.229 0.286 0.342 0.398 0.454 0.510 0.565 A53GrB 0.85 <40 0.180 0.180 0.203 0.270 0.336 0.402 0.468 0.534 0.600 0.665 A335GrP11 1 <40 0.180 0.180 0.180 0.237 0.296 0.354 0.412 0.470 0.528 0.585 A335GrP11 0.85 <40 0.180 0.180 0.210 0.279 0.348 0.417 0.485 0.553 0.621 0.688 A312Gr304L 1 <40 0.180 0.180 0.212 0.282 0.352 0.421 0.490 0.559 0.627 0.694 A312Gr304L 0.85 <40 0.180 0.180 0.250 0.332 0.414 0.496 0.577 0.657 0.737 0.817 A312Gr316L 1 <40 0.180 0.180 0.220 0.293 0.365 0.437 0.508 0.579 0.649 0.719 A312Gr316L 0.85 <40 0.180 0.180 0.259 0.345 0.429 0.514 0.598 0.681 0.764 0.846


MATERIAL JE SPAN 100 200 300 400 500 600 700 800 900 1000 A53GrB 1 20 0.180 0.184 0.275 0.365 0.455 0.543 0.632 0.719 0.806 0.893 A53GrB 1 40 0.180 0.207 0.275 0.365 0.455 0.543 0.632 0.719 0.806 0.893 A53GrB 0.85 <40 0.180 0.216 0.323 0.429 0.535 0.639 0.743 0.846 0.949 1.050 A335GrP11 1 <40 0.180 0.180 0.201 0.267 0.333 0.399 0.464 0.529 0.594 0.658 A335GrP11 0.85 <40 0.180 0.180 0.237 0.315 0.392 0.469 0.546 0.622 0.698 0.774 A312Gr304L 1 <40 0.180 0.180 0.229 0.304 0.379 0.453 0.527 0.601 0.674 0.746 A312Gr304L 0.85 <40 0.180 0.180 0.269 0.358 0.446 0.533 0.620 0.707 0.793 0.878 A312Gr316L 1 <40 0.180 0.180 0.240 0.318 0.397 0.475 0.552 0.629 0.705 0.781 A312Gr316L 0.85 <40 0.180 0.189 0.282 0.375 0.467 0.558 0.649 0.740 0.830 0.919



MATERIAL JE SPAN 100 200 300 400 500 600 700 800 900 1000 A53GrB 1 <40 0.200 0.200 0.200 0.252 0.314 0.376 0.438 0.499 0.561 0.621 A53GrB 0.85 <40 0.200 0.200 0.223 0.296 0.370 0.443 0.515 0.588 0.660 0.731 A335GrP11 1 <40 0.200 0.200 0.200 0.261 0.325 0.390 0.453 0.517 0.580 0.643 A335GrP11 0.85 <40 0.200 0.200 0.231 0.307 0.383 0.458 0.533 0.608 0.683 0.757 A312Gr304L 1 <40 0.200 0.200 0.234 0.311 0.387 0.463 0.539 0.615 0.689 0.764 A312Gr304L 0.85 <40 0.200 0.200 0.275 0.366 0.456 0.545 0.634 0.723 0.811 0.899 A312Gr316L 1 <40 0.200 0.200 0.242 0.322 0.401 0.480 0.559 0.637 0.714 0.791 A312Gr316L 0.85 <40 0.200 0.200 0.285 0.379 0.472 0.565 0.657 0.749 0.840 0.931


MATERIAL JE SPAN 100 200 300 400 500 600 700 800 900 1000 A53GrB 1 20 0.200 0.202 0.302 0.401 0.500 0.598 0.695 0.791 0.887 0.982 A53GrB 1 40 0.200 0.213 0.302 0.401 0.500 0.598 0.695 0.791 0.887 0.982 A53GrB 0.85 <40 0.200 0.238 0.356 0.472 0.588 0.703 0.818 0.931 1.044 1.155 A335GrP11 1 <40 0.200 0.200 0.221 0.294 0.367 0.439 0.511 0.582 0.653 0.724



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A335GrP11 0.85 <40 0.200 0.200 0.260 0.346 0.431 0.516 0.601 0.685 0.768 0.851 A312Gr304L 1 <40 0.200 0.200 0.252 0.334 0.417 0.498 0.580 0.661 0.741 0.821 A312Gr304L 0.85 <40 0.200 0.200 0.296 0.393 0.490 0.586 0.682 0.777 0.872 0.966 A312Gr316L 1 <40 0.200 0.200 0.264 0.350 0.437 0.522 0.607 0.692 0.776 0.859 A312Gr316L 0.85 <40 0.200 0.207 0.310 0.412 0.514 0.614 0.714 0.814 0.913 1.011








MATERIAL JE SPAN 100 200 300 400 500 600 700 800 900 1000 A53GrB 1 <40 0.200 0.200 0.258 0.344 0.429 0.513 0.597 0.681 0.764 0.847 A53GrB 0.85 <40 0.200 0.203 0.304 0.404 0.504 0.604 0.703 0.801 0.899 0.997 A335GrP11 1 <40 0.200 0.200 0.268 0.356 0.444 0.531 0.618 0.705 0.791 0.877 A335GrP11 0.85 <40 0.200 0.210 0.315 0.419 0.522 0.625 0.727 0.829 0.931 1.032 A312Gr304L 1 <40 0.200 0.213 0.319 0.424 0.528 0.632 0.735 0.838 0.940 1.042 A312Gr304L 0.85 <40 0.200 0.251 0.375 0.499 0.621 0.744 0.865 0.986 1.106 1.225 A312Gr316L 1 <40 0.200 0.221 0.330 0.439 0.547 0.655 0.762 0.868 0.974 1.079



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A312Gr316L 0.85 <40 0.200 0.260 0.389 0.517 0.644 0.771 0.896 1.022 1.146 1.270




Design Temperature: 600°F and under (Insulation = 2 in.) MATERIAL JE SPAN 100 200 300 400 500 600 700 800 900 1000 A53GrB 1 <40 0.200 0.207 0.310 0.412 0.514 0.616 0.717 0.817 0.917 1.017 A53GrB 0.85 <40 0.200 0.244 0.365 0.485 0.605 0.724 0.843 0.961 1.079 1.196 A335GrP11 1 <40 0.200 0.215 0.321 0.427 0.533 0.638 0.742 0.846 0.950 1.053 A335GrP11 0.85 <40 0.200 0.252 0.378 0.502 0.627 0.750 0.873 0.995 1.117 1.238 A312Gr304L 1 <40 0.200 0.256 0.382 0.508 0.634 0.758 0.882 1.006 1.128 1.250 A312Gr304L 0.85 <40 0.200 0.301 0.450 0.598 0.746 0.892 1.038 1.183 1.327 1.471 A312Gr316L 1 <40 0.200 0.265 0.396 0.527 0.657 0.786 0.914 1.042 1.169 1.295 A312Gr316L 0.85 <40 0.200 0.312 0.466 0.620 0.773 0.925 1.076 1.226 1.375 1.523

Design Temperature: 601 - 800°F (Insulation = 3.5 in.) MATERIAL JE SPAN 100 200 300 400 500 600 700 800 900 1000 A53GrB 1 <40 0.200 0.331 0.495 0.657 0.818 0.978 1.137 1.295 1.452 1.607 A53GrB 0.85 <40 0.200 0.389 0.582 0.773 0.963 1.151 1.338 1.523 1.708 1.891 A335GrP11 1 <40 0.200 0.242 0.362 0.481 0.600 0.718 0.836 0.952 1.069 1.184 A335GrP11 0.85 <40 0.200 0.285 0.426 0.566 0.706 0.845 0.983 1.120 1.257 1.393 A312Gr304L 1 <40 0.200 0.275 0.412 0.547 0.682 0.816 0.949 1.081 1.213 1.343 A312Gr304L 0.85 <40 0.200 0.324 0.484 0.644 0.802 0.960 1.116 1.272 1.427 1.580 A312Gr316L 1 <40 0.200 0.288 0.431 0.573 0.714 0.854 0.994 1.132 1.270 1.406 A312Gr316L 0.85 <40 0.200 0.339 0.507 0.674 0.840 1.005 1.169 1.332 1.494 1.654



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RECORD OF REVISIONS

(as compared to August, 1998 issue) Logo’s were revised May, 2005 to be in alignment with Corporate Communications guidelines. This Standard has been revised in its entirety to reflect changes in formatting, added dual company logo’s and names, conversion from WordPerfect to Microsoft Word, etc… throughout the document. Technical content was not revised during this revision.

EG3202 Pipe Thickness Retirement Guide

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