SAIL Catalogue

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SemisRationalised sizes of Blooms, Billets and SlabsItem Size mm Sectional Weight kg/m 172.00 kg/m 585.00 581.00 700.00 730.00 765.00 770.00 735.00 Mill

Item

Size mm

Sectional Weight kg/m

Mill

IISCO Steel Plant230 x 250 200 x 200 490.60 315.00 233.6 Sectional Weight kg/m 28.00 60.70 76.20 92.00 76.80 122.65 63.3 64.2 71.0 107.0 120.0 392.50 486.70 643.70 523.00 651.75 1962.50 2041.00 2355.00 2943.75 3768.00 Mill IBLM IBLM IBLM

Blooms

Bhilai Steel Plant150 x 150 260 x 300 280 x 285 295 x 320 300 x 325 300 x 335 310 x 340 320 x 320 BBM BBLM BBLM BBLM BBLM BCCS BBLM BBLM Item

180 x 180 Size mm 60 x 60* 90 x 90 100 x 100 110 x 110 100 x 100 125 x 125 91 x 91 92 x 92 96 x 96 118 x 118 125 x 125

Billets

Bhilai Steel PlantBMM BBM BBM BBM DBM/DCCP DBM IBM IBM IBM IBM IBM BBLM BBLM BBLM BBLM BBLM BCCS BCCS BCCS BCCS BCCS

Durgapur Steel Plant150 x 150 185 x 160 190 x 160 200 x 160 200 x 200 210 x 160 230 x 160 230 x 230 240 x 160 250 x 160 250 x 210 250 x 250 260 x 140 300 x 140 300 x 250 300 x 300 350 x 140 365 x 140 176.63 239.62 230.00 242.00 314.00 255.00 279.00 400.00 291.00 303.00 398.00 490.63 276.00 318.00 568.00 706.50 371.00 387.00 DCCP DBLM DBLM DBLM DBLM DBLM DBLM DBLM DBLM DBLM DBLM DBLM DBLM DBLM DBLM DBLM DBLM DBLM

Durgapur Steel Plant

IISCO Steel Plant

Slabs

Bhilai Steel Plant200 x 250 200 x 310 200 x 410 205 x 325 205 x 405 200 x 1250 200 x 1300 200 x 1500 250 x 1500 320 x 1500

provisioanl page nos. 1

Durgapur Steel Plant140 x 80 150 x 80 160 x 80 180 x 80 190 x 80 205 x 75 235 x 75 240 x 75 * Rounded corners square Abbreviation used : BCCS : Bhilai Continuous Casting Shop BBLM : Bhilai Blooming Mill BBM BMM DBM : Bhilai Billet Mill : Bhilai Merchant Mill : Durgapur Billet Mill 86.83 93.11 99.39 111.16 117.44 118.82 136.48 139.42 DBM DBM DBM DBM DBM DBM DBM DBM

Common grades : IS 2830/1992, IS 2831/1975, SAE 1070, EN 8, EN 9, SAIL Tower, SAILMA, 20 Mn Cr 5, IS 1875/1992, SWR-14, SAIL HCR Chemical CompositionSpecification IS 2830/ 1992 Grade C15 C18 C20 C15MMn C18MMn C20MMn C15HMn C18HMn C20HMn IS 2831/ 1975 SAE 1070 EN 8 EN 9 SAIL Tower Grade 1 Grade 2 Grade 3 Grade 4 Grade 5 Grade 6 350 HI 55 Si 7 60Si7 SUP IIAHigh Carbon

C% 0.12-0.18 0.15-0.21 0.17-0.23 0.12-0.18 0.15-0.21 0.17-0.23 0.12-0.18 0.15-0.21 0.17-0.23 0.10-0.17 0.18-0.30 0.65-0.75 0.35-0.45 0.50-0.60 0.12-0.17 0.15-0.20 0.18-0.22 0.16-0.20 0.18-0.22 0.2-0.24 0.20 max 0.17-0.22 0.50-0.60 (Si1.5-2.0)

Mn% 0.30-0.60 0.30-0.60 0.30-0.60 0.60-1.00 0.60-1.00 0.60-1.00 1.00-1.50 1.00-1.50 1.00-1.50 0.40-1.20 0.40-1.20 0.60-0.90 0.60-1.00 0.50-0.80 0.8-1.2 1.0-1.5 1.0-1.5 1.2-1.5 1.2-1.5 1.2-1.5 1.50 max 1.1-1.4 0.80-1.00

P% max

S% max

For P&S refer to Note on next page

DBLM : Durgapur Blooming Mill DCCP : Durgapur Continuous Casting Plant IBLM IBM : IISCO Blooming Mill : IISCO Billet Mill

Fe310 OB Fe410 OB

0.070 0.070 0.040 0.06 0.06 0.045 0.045 0.045 0.045 0.045 0.045 0.04 0.035 0.04 0.035 0.035 0.035

0.070 0.070 0.045 0.06 0.06 0.045 0.045 0.045 0.045 0.045 0.045 0.04 0.04 0.035 0.035 0.035

SAILMA 20Mn Cr5 Spring Steel

0.55-.65 0.80-1.0 (Si1.5-2.0) 0.55-0.65Si 0.15-0.35,

0.7-1.0 0.6-0.9

Cr 0.7-1.0, B 0.0005 min, Cu+8Sn 0.4 max

SAE1040SAE1080

0.35-0.85

provisioanl page nos. 2

Specification IS 1875/ 1992

Grade Class 1 Class 1A Class 2 Class 2A Class 3 Class 3A Class 4 Class 5 Class 6

C% 0.1-0.18 0.1-0.2 0.15-0.25 0.2-0.3 0.25-0.35 0.3-0.4 0.4-0.5 0.5-0.6 0.6-0.7 0.14 0.20 0.20-0.25 0.2-0.24 0.15 max

Mn% 0.6-0.9 0.6-0.9 0.6-0.9 0.6-0.9 0.6-0.9 0.6-0.9 0.6-0.9 0.6-0.9 0.5-0.8 0.70 1.20-1.5 0.85-1.5 0.25-0.80

P% max 0.04 0.04 0.04 0.04 0.04 0.04 0.04 0.04 0.04 0.05 0.045 0.04 0.035 0.07-0.15

S% max 0.04 0.04 0.04 0.04 0.04 0.04 0.04 0.04 0.04 0.05 0.045 0.04 0.035 0.03

TolerancesProduct IS:2830/ 1992 Billets Blooms Slabs Width across Flat (mm) Up to 75 Over 75 Up to 150 Over 150 Up to 300 Over 300 Thickness (mm) Over 150 Up to 150 Up to 150 Tolerances (mm) 1.5 3 + 4.0, - 3.0 + 6.0, - 3.0 + 3.0, - 4.0 + 3.0, - 6.0 + 5.0, - 10.00

SWR-14 SAIL HCR SAIL BORON ASTM A105 HCRS (Cu-P)

ApplicationsSpecification IS 2830/1992 IS 2831/1975 SAE 1070 Application Re-rolling into structurals, rounds and rebars Commercial grade for re-rolling into structurals and rounds. Manufacture of tractor discs Forging purposes

B : 0.003-0.005, Cr : 0.35-0.50

Cu : 0.20 min

Notes : IS 2830/1992 : (1) Min Si content not less than 0.1% in Silicon killed steel. (2) Total micro alloying elements like Nb, V and Ti not to exceed 0.2%. (3) Copper content shall be between 0.20 and 0.35%, if agreed. (4) All types of steel in above specification may be supplied in three grades A, B, & C, having Sulphur, Phosporous (ladle analysis) and Carbon equivalent as follows: Grade A - Sulphur and Phosporous each 0.05 max, CE 0.42 max; Grade B - Sulphur and Phosporous each 0.045 max, CE 0.41 max; Grade C - Sulphur and Phosporous each 0.04 max, CE 0.39 max. IS 2831/1975 : (1) For Fe 310 OB Copper content may be 0.35%. (2) For Fe 410 OB Copper content may be 0.35% max SAE 1070 : Si 0.05 0.30% EN 8, EN 9 : Si 0.05 0.35% SAIL Tower : (for grades 4, 5 & 6) : Nb/V 0.003% min. CE - Gr-1 0.35-0.40, Gr-2 & 3 0.40-0.45, Gr-4 0.35-0.40, Gr-5 0.40-0.45, Gr-6 0.400.49 SAILMA : Nb+V+Ti 0.20 max 20 Mn Cr 5 : Cr 1.4- 1.7% IS 1875/1992 : Si 0.15-0.35% SAIL HCR : Content of corrosion resistant elements will be 0.75% min, S+P = 0.090% max HIGH CARBON : Si = 0.15-0.30% * SAIL BORON, SAIL SPRING & HIGH CARBON Billet produced from DSP with E.M.S.

EN 8, EN 9 IS 1875/1992 SAIL Tower SAILMA 350 20 Mn Cr 5 SWR-14 SAIL HCR SAIL BORON SpringSteel/Sup 11A Chain Steel High Carbon ASTM A 105

Re-rolling into structurals for TLT segment Re-rolling into high tensile structurals Case hardening steel for automobile gear Re-rolling into wire rods Re-rolling into high corrosion resistant rebars Tractor Disc Helical/Leaf Springs, Rail Clips Chain links Wire rope, cycle spoke, Tyre bead etc. Pipe Flanges

provisioanl page nos. 3

StructuralsRationalised sizes of Beams/Joists, Channels and AnglesSection Dimensions mm Sectional Weight kg/m Length m

Section

Dimensions mm

Sectional Weight kg/m

Length m

Channels Bhilai Steel Plant75 x 40 x 4.8 100 x 50 x 5 7.14 9.56 10 - 12

Beams/ Joists

Durgapur Steel Plant175 x 85 x 5.8 200 x 100 x 5.7 19.6 25.4 1 0 - 11 . 5

Durgapur Steel Plant125 x 65 x 5.3 125 x 66 x 6 150 x 75 x 5.7 13.10 13.70 16.80 17.70 19.60 22.30 24.30 10 - 11.5 f o ra l l dimensions

IISCO Steel Plant250 x 125 x 6.9 300 x 140 x 7.7 350 x 140 x 8.1 400 x 140 x 8.9 450 x 150 x 9.4 37.3 46.0 52.4 61.5 72.4 11.5 & above

150 x 76 x 6.5 175 x 75 x 6 200 x 75 x 6.2 200 x 76 x 7.5

Beams

Bhilai Steel Plant250 x 125 x 6.9 300 x 140 x 7.7 350 x 140 x 8.1 400 x 140 x 8.9 450 x 150 x 9.4 500 x 180 x 10.2 600 x 210 x 12 37.3 46.0 52.4 61.5 72.4 86.9 123.0 10 - 13 f o ra l l dimensions

Bhilai Steel Plant250 x 82 x 9 300 x 90 x 7.8 400 x 100 x 8.8 34.2 36.3 50.1 10 - 12 f o ra l l dimensions

IISCO Steel Plant75 x 40 x 4.8 100 x 50 x 5 125 x 65 x 5.3 250 x 82 x 9 300 x 90 x 7.8 7.14 9.56 13.1 34.2 36.3 11.5 & above 10 & above

provisioanl page nos. 4

Section

Dimensions mm

Sectional Weight kg/m

Length m

Section

Dimensions mm

Sectional Weight kg/m

Length m

Angles

Bhilai Steel Plant50 x 50 x 5* 50 x 50 x 6 60 x 60 x 5/6/8* 65 x 65 x 5* 65 x 65 x 6/8/10 70 x 70 x 5/6* 75 x 75 x 5/ 6/ 8/ 10 80 x 80 x 6/8/10 90 x 90 x 6/8/10 3.8 4.5 4.5/5.4/7.0 4.9 5.8/7.7/9.4 5.3/ 6.3 5.7/6.8/8.9/11.0 7.3/9.6/11.8 8.2/10.8/13.4 10 -13 f o ra l l dimensions

Angles

IISCO Steel Plant65 x 65 x 6 65 x 65 x 8 65 x 65 x 10 75 x 75 x 6 75 x 75 x 8 75 x 75 x 10 90 x 90 x 6 90 x 90 x 8 90 x 90 x 10 90 x 90 x 12 5.8 7.7 9.4 6.8 8.9 11.0 8.2 10.8 13.4 15.8 9.2 12.1 14.9 17.7 19.7 23.5 27.3 35.8 44.1 f o ra l l dimensions 11.5 & above 10 & above

Durgapur Steel Plant100 x 100 x 10/12 110 x 110 x 10/12 130 x 130 x 10/12 150 x 150 x 12/16 14.9/17.7 16.6/19.7 19.7/23.5 22.9/27.3 10 - 11.5 f o ra l l dimensions

100 x 100 x 6 100 x 100 x 8 100 x 100 x 10 100 x 100 x 12 130 x 130 x 10 130 x 130 x 12 150 x 150 x 12 150 x 150 x 16 150 x 150 x 20

Bhilai Steel Plant150 x 150 x 16/ 20* 200 x 200 x 16 200 x 200 x 20 200 x 200 x 24 35.8/44.1 48.5 60.0 70.8 10 -13 f o ra l l dimensions

provisioanl page nos. 5

Rolling tolerance for Structural Steel sections as per IS1852/1985 Section Dimensions mm Sectional Weight kg/m Length m

BeamsDepth Up to 200 mm Tolerance + 3.0, - 2.0 mm 3.0 mm 4.0 mm Width of flange Up to 100 mm >100 to 125 mm >125 to 250 mm Tolerance 2.0 mm 2.5 mm 4.0 mm

Unequal Angles

IISCO Steel Plant125 x 75 x 8 125 x 75 x 10 150 x 115 x 10 150 x 115 x 12 12.1 14.9 20 .1 24.0 11.5 & above 10 & above

>200 to 400 mm >400 to 600 mm

Tolerance on weight per metre shall be 2.5% or alternatively +4, -1% of the weight per metre. The permissible limits for camber and sweep shall be 0.2% of the length.

Channels* Can be produced, if sufficient orders are available. Below 10m/11.5m length can also be supplied While standard lengths are mentioned in tables above, BSP can supply material in any fixed length in the range 6-13 m and DSP can supply in any fixed length in the range 5.5-11.5 m Common grades : IS 2062/1999 and SAILMA Copper bearing structurals are also rolled as per customers specifications. High strength light structurals are also