Proceedings MR2009 23 JMountford

8/13/2019 Proceedings MR2009 23 JMountford

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Titanium

A Viable Alternative in Todays World for Marine & Naval Applications

Milton R. ScaturroConsultant

Scaturro & Associates31 Alviso Drive, Camarillo, CA 93010-8476

John A. Mountford Jr.Consultant

Tico Titanium, Inc.30150 South Wixom Road, Wixom, MI 48393

[5961 West Shore Drive NW, Canton, OH 44718]

NORFOLK MARRIOTT WATERSIDE

NORFOLK, VA JUNE 8 12, 2009

Fried A. Kriedt P.E., D.Sc.Materials Engineer LPD-17 ProgramComputer Sciences Corp.560 Lynnmeade RoadGretna, LA 70056


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ELEMENT GR 1 GR 2 GR 3 GR 5 GR 7 GR 9 GR 12 GR 23 GR 32

Nitrogen (max.) 0.03 0.03 0.05 0.05 0.03 0.03 0.03 0.03 0.03

Carbon (max.) 0.08 0.08 0.08 0.08 0.08 0.08 0.08 0.08 0.08

Hydrogen (max.) 0.015 0.015 0.015 0.015 0.015 0.015 0.015 0.0125 0.015Iron (max.) 0.20 0.30 0.30 0.40 0.30 0.25 0.30 0.25 0.25

Oxygen (max.) 0.18 0.25 0.35 0.20 0.25 0.15 0.25 0.13 0.11

Aluminum *** *** *** 5.5 - 6.75 *** 2.5 - 3.5 ***5.5 -

6.75 4.5 - 5.5

Vanadium *** *** *** 3.5 - 4.5 *** 2.0 - 3.0 *** 3.5 - 4.5 ***

Palladium *** *** *** *** 0.12-0.25 *** *** *** ***

Molybdenum *** *** *** *** *** *** 0.2 - 0.4 *** 0.6 - 1.2

Nickel *** *** *** *** *** *** 0.6 - 0.9 *** ***

Silicon *** *** *** *** *** *** *** *** 0.06 - 0.14

Tin *** *** *** *** 0.6 - 1.4 *** *** *** 0.6 - 1.4

Zirconium *** *** *** *** *** *** *** *** 0.6 - 1.4

Residual ea. (max.) 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1

Residual Total

(max.) 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4

TITANIUM Bal Bal Bal Bal Bal Bal Bal Bal Bal

6Al-4V Gr 2+Pd 3Al-2.5V 6Al-4V 5111

Chemistry (Weight %)


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MECHANICAL PROPERTIES

Grade UTS Yield Elongation Red Area a Elastic Modulus

min. min. max. min. min. Tension Shear ksi ksi ksi % % x106 psi x106 psi

1 35 20 45 24 30 14.9 5.51

2 50 40 65 20 30 15.0 5.51

3 65 55 80 18 30 15.0 5.66

4 80 70 95 15 25 15.2 5.66

5 (6-4) 130 120 -- 10 25 16.5 6.38

7 50 40 65 20 30 15.0 5.51

9 (3-2.5) 90 70 -- 15 25 14.9 6.35

12 70 50 -- 18 25 15.2 5.51

32 (5111) 100 85 -- 18 30 16.0

a = Bar/Billet Forging


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PHYSICAL PROPERTIESThermal Coefficient

Grade Elastic Modulus Density Conductivity Expansion

Elect.

Resist. Weld Hard

Tension Shear RB

x106 psi x106 psi lbs/in3 g/cm3 BTU/hr-ft-0F x10-6 in/in-0F x10-6 ohm-in [ RC ]

1 14.9 5.51 0.163 4.51 12.7 4.8 18 E 70

2 15.0 5.51 0.163 4.51 12.6 4.8 21 E 80-85

3 15.0 5.66 0.163 4.51 12.6 4.8 21 VG 90

4 15.2 5.66 0.163 4.51 10.0 4.8 24 G 100

5 (6-4) 16.5 6.38 0.160 4.43 3.8 5.0 66 VG [ 36 ]

7 15.0 5.51 0.163 4.51 12.6 4.8 21 E 80-85

9 (3-2.5) 14.9 6.35 0.162 4.48 4.8 5.3 50 VG [25]

12 15.2 5.51 0.163 4.51 11.0 4.8 21 E [ 11 ]

32 (5111) 16.0 0.160 4.43 4.3 4.6 60


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Immune:

Sea Water Brackish Water Polluted WaterMIC [Microbiologically Induced Corrosion]

Fully Resistant:

Stress Corrosion CrackingCavitation

Pitting & Crevice Corrosion < 800 C (1750 F)

Resistant:

Gases - SO2 CO2 CO NH4 H2S N2

H2 Embrittlement < 800

C (1750

F)


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Attributes

Corrosion Immunity (Seawater, Polluted, MIC)

Strength Higher Mechanicals than Cu-Ni

Hardness Higher than Cu-Ni

Light Weight / Low Density 1/2 Cu-Ni

Excellent Erosion Resistance to 20x Cu-Ni

Compatible with Composites


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Attributes contd.

Low Thermal Expansion

Non-Magnetic

Superior Ballistic Properties

High Shock Resistance

High Melting Point [ 3020 0F / 1660 0C]

Non Radioactive

Environmentally Friendly (Non Toxic)


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Benefits

Corrosion Free Service - Life of the Ship

Maintenance Eliminated/ Reduced

Life of Ship Durability - No Replacement

Increased Compartment Space (Volume)

Design Efficiencies Smaller/ Thinner

Support Loads Lessened

Weight Reduction (Topside/Overall)


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Benefits contd.

Free up Manpower & Crew Manning

Reduced Fuel Consumption

Life Cycle Cost Savings

Reduced Operating Costs

Increased Storage & Payload Capacity

No Painting ; No Solvents/ Supplies

Better Compartment Accessibility

No EPA or Environmental Issues


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Heat Exchangers

Coolers

Lube Oil

Engine Jacket

Phalanx

Radar Electronics

Engine Piston Water

Fresh Water

Turbine Generators

Thruster Engines

Gear Lube Oil

Discharge

Other

Distillation Unit Condensers

Distillation Unit Brine Heaters

Steam Condensers

Refrigeration Condensers

Air Conditioning Condensers

Preheat Seawater Freshwater

Jacket Water Heating

Air/Gas Compressors (LP & HP)

Fuel Oil Heating


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Titanium Reduced Pipe Sizes PIPE Weight

Ti Sch 10 Cu-Ni Class 200

PT


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Titanium Reduced Pipe Sizes WATER Weight

Ti Sch 10 Cu-Ni Class 200


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PIPE Weight Savings (lbs./ 100 ft.) ( Percent )

Titanium Sch 10 - vs. - Cu-Ni Class 200

Titanium Cu-Ni Weight Savings

Size lbs/100 ft Size lbs/100 ft lbs/100 ft Percent

2" Sch 10 152 3" class 200 391 239 61

3" Sch 10 249 4" class 200 583 334 57

4" Sch 10 323 6" Class 200 1,058 735 69

6" Sch 10 534 8" Class 200 1,528 994 65

8" Sch 10 771 10" Class 200 2,405 1,634 68

10" Sch 10 1,073 12" Class 200 3,805 2,732 72


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WATER Weight Savings (lbs./ 100 ft.) ( Percent )


Titanium Cu-Ni Weight Savings

Size lbs/100 ft Size lbs/100 ft lbs/100 ft Percent

2" Sch 10 158 3" class 200 373 215 58

3" Sch 10 362 4" class 200 624 262 42

4" Sch 10 618 6" Class 200 1376 758 55

6" Sch 10 1,376 8" Class 200 2,362 986 42

8" Sch 10 2,362 10" Class 200 3,665 1,303 36

10" Sch 10 3,697 12" Class 200 5,109 1,412 28


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Weight Savings Totals (lbs./ 100 ft.)


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Titanium Reduced Pipe Sizes VOLUME



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Titanium Reduced Pipe Sizes % Volume SavedTitanium Sch 10 - vs. - Cu-Ni Class 200


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Seawater Service and Firemain Systems

Firemain Systems Pipe, Flanges & Fittings

Fire Pumps (Grades 2 and 5)

Hydrants

Valves

Butterfly / Globe / Ball

Nozzles & Deluge Valving

Input Service Water Piping

Bilges

Sprinkler Heads


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Structures

Exhaust Uptakes / Liners

Cargo Doors

Vertical Launch Systems

Torpedo Bay Doors

Stanchions

Electrical Boxes

Ballast Tanks Well Deck HVAC Vent Ducting

Emergency Doors


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Structures contd.

Radar Structures

Hanger Doors

Jet Blast Deflectors

Masts

Weather Deck Light Boxes

Emergency Stop Switch Boxes

Seawater & Freshwater Tanks Under Insulation Ducting

Compartment Doors


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Summary

Why Titanium

Corrosion Immunity (Life of Ship)

High Erosion Resistance

High Strength

Light Weight (Wgt. Reduction in tons)

High Shock Resistance / Survivability

Performance / Low Maintenance

Durable

Green Environmentally Clean

Proceedings MR2009 23 JMountford

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