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Chemical Composition And Mechanical Properties of Steel (Indian Standard)

IS : 10748 - Specification Of Hot Rolling Steel Strips For Welded Tubes & Pipe CHEMICAL COMPOSITION Grade C% Max Mn % Max. S% Max. P% Max. I 0.10 0.50 0.05 0.05 II 0.12 0.60 0.05 0.05 III 0.16 1.20 0.05 0.05 IV 0.20 1.30 0.05 0.05 V 0.25 1.30 0.05 0.05 MECHANICAL PROPERTIES Grade UTS ( Min.) Mpa YS ( Min.) Mpa EI. % ( Min. ) 5.65   Sqrt (So) I 290 170 30 II 330 210 28 III 410 240 25 IV 430 275 20 V 490 310 15

IS : 6240 HR - Steel Plate, Sheet and Coil for LP CHEMICAL COMPOSITION Constituent Percent Carbon, Max. 0.16 Manganese, Min 0.30 Silicon, Max. 0.25 Sulphur, Max. 0.030 Phosphorous, Max. 0.030 Aluminium, Min 0.02 MECHANICAL PROPERTIES Property Grade * Tensile Strength Mpa (kgf/mm²) 350 to 450 ( 36 to 46 ) Yield Strength. Mpa ( Kg/mm²) Min 240 (25) Elongation, Min percent on guage length 5.65 OSo 25 Bend t EC v ( for 2.80-3.15 mm thickness) min 13.5 * Both longitudinal and transverse directions.

TOLERANCE AS PER IS : 513 Tolerance on Thickness of Sheets   Tolerance on the thickness for different width Nominal Thickness Upto 1250 mm Above 1250 Upto 1600 Above 1600   Upto 0.25 +/-   0.03 - - Above 0.25-0.40 +/-   0.04 - - Above 0.40-0.60 +/-   0.05 +/-  0.06 - Above 0.60-0.80 +/-   0.06 +/-  0.07 +/-   0.08 Above 0.80-1.00 +/-   0.08 +/-  0.09 +/-   0.10 Above 1.00-1.25 +/-   0.09 +/-  0.10 +/-   0.12 Above 1.25-1.60 +/-   0.11 +/-  0.12 +/-   0.14 Above 1.60-2.00 +/-   0.12 +/-  0.14 +/-   0.16

Tolerance on Width Of Sheets Width of Sheets Tolerance Upto 1250 mm +7 -0 Above 1250 mm +10 -0

Tolerance on Length of Sheets Length Tolerance Upto 2000 mm +15 -0 Above 2000 mm +0.75 % of the length -0

Chamfer Tolerance For Coils and Cut Length Form Tolerance Coil   20 mm in any 5000 mm length Cut Length 0.4% X length

Standard Flatness Tolerance for cut lengths Thickness Tolerance on specified width Upto 1200 Above 1200 - Upto 1500 Above 1500 Upto 0.63 15 18 22 Above 0.63-1.25 12 15 19 Above 1.25 10 12 17

Special Flatness Tolerance for Cut lengths Roller Levelled and Stretcher Levelled Thickness                           Tolerance on specified width Upto 1200 Above 1200 Upto 1500 Above 1500 Upto 0.63 6 7 8 Above 0.63-1.25 5 6 7 Above 1.25 4 5 6

IS : 2062 - Specification of Steel for General Structural Purposes CHEMICAL COMPOSITION Grade C% Max. Mn% Max. S% Max. P% Max. Si% Max. C.E.% Max. A 0.23 1.50 0.050 0.050 0.40 0.42 B 0.22 1.50 0.045 0.045 0.40 0.41 C 0.20 1.50 0.040 0.040 0.40 0.39 MECHANICAL PROPORTIES Grade UTS(MPa) Min. Y.S.(MPa) Min. El.% Min. 5.65 Sqrt(So) Bend Test A 410 250 240 230 23 3T B 410 250 240 230 23 2T & 3T * C 410 250 240 230 23 2T   * 2T - <= 25mm   * 3T - >   25mm

IS : 3039 - Specification of Structural Steel for Ship Building CHEMICAL COMPOSITION Grade C% Max. Mn% S% Max. P% Max. Si% Max. Al% Min. I 0.23 * 0.040 0.040 ** 0.01 II 0.21 0.70-1.4 0.040 0.040 0.10-0.35 - III 0.18 0.70-1.5 0.040 0.040 0.19-0.50 0.015 MECHANICAL PROPERTIES Grade UTS (MPa) Y.S. (MPa) Min. EI.% Min. 5.65 Sqrt (So) < 25 mm. > 25 < 50 mm. I 400-490 230 220 22 II 400-900 235 235 22 III 400-490 235 235 22

IS : 1786 - High Strength Deformed Steel Bars and Wires for Concrete Reinforcement    CHEMICAL COMPOSITION Constituent Percent, Maximum SAIL-TMT(Fe 415/FE  500/Fe 550)   SAIL TMT 415  Fe 415 SAIL TMT  500 Fe  500 SAIL TMT 550 Fe 500   Carbon 0.25 0.30 0.25 0.30 0.25 0.30 0.20 Sulphur 0.05 0.06 0.05 0.055 0.05 0.055 0.045 Phosphorus 0.05 0.06 0.05 0.055 0.05 0.050 0.045 Sulphur and Phosphorus 0.10 0.11 0.10 0.105 0.10 0.10 0.09 Corrosion Resistant Elements - - - - - - 0.75 min Carbon Equivalent - - - - - - 0.53 max MECHANICAL PROPERTIES Property Grade   Fe 415 SAIL TMT 415 Fe 500 SAIL TMT 500 Fe 550 SAIL TMT 550 0.2 percent proof stress/yield stress Min N/mm.sq. 415 415 500 500 550 550 Elongation.percent ,Min,on gauge length 5.65.Square Root(A) where A is the cross-sectional area of the test piece 14.5 22(Up to 28mm dia) 20 (Above 28 mm dia) 12 20(Up to 28mm dia) 18 (Above 26 mm dia) 8 18(Upto 25 mm dia) 16(Above 28 mm dia) Tensile Strength,Min. 10% more than the actual 0.2% proof stress but not less than 48.5 N/mm.sq. 10% more than the actual 0.2% proof stress but not less than 500 N/mm.sq. 8% more than actual 0.2% proof stress but not less than 545 N/mm.sq. 8% more than the actual 0.2% proof stress but not less than 580 N/mm.sq. (Upto 28mm dia) & 560 N/mm.sq.) (above 28 mm dia)   6% more than the actual 0.2% proof stress but not less than 585 N/mm.sq.  (Upto 28mm dia) & 560 N/mm.sq.) (above 28 mm dia) 6% more than the actual 0.2% proof stress but not less than 630 N/mm.sq. (Upto 28mm dia) & 610 N/mm.sq. (above 28 mm dia) Upto 28mm dia) & 560 N/mm.sq.) (above 28 mm dia)

SPECIFICATION FOR WIRE RODS   Specifications Grade Chemical Composition Mechanical Properties %C %Mn %S %P Yield Mpa Tensile Mpa Elongation % Structure Quality Wire Rods IS2062 Grade A 0.23 max 1.50 max 0.05 max 0.50 max 250 min 410 min 23 min Drawing Quality Wire Rods SWR-14 0.14 max 0.08-013 0.60 max 0.30-0.60 0.05 max 0.05 max 0.05 max 0.04 max - - - Low Carbon Drawing Quality Wire Rods SWR-10 SAE-1008 0.1 max 0.1 max 0.6 max 0.3 max 0.04 max 0.05 max 0.04 max 0.04 max - - - Electrode Quality Wire Rod IS-2879 Rimming Grade 0.1 max 0.38-0.62 0.03 max 0.03 max - - -

IS:1079-Specification of Hot Rolled Carbon Steel Sheets & Strips CHEMICAL COMPOSITION Grade C% Max Mn % Max S% Max P% Max O 0.15 0.60 0.055 0.055 D 0.12 0.50 0.04 0.04 DD 0.10 0.45 0.035 0.035 EDD 0.08 0.40 0.030 0.03 MECHANICAL PROPERTIES Grade UTS MPa YS(Min.) MPa EI.% Min. Lo-80 mm b-20 mm O - - - D - - 28 DD 260-390 - 32 EDD 260-380 - 36

Specification Chemical composition (max) Mechanical Properties    C Mn S P Tensile Strength Min. Mpa Yield Strength Min. Mpa % Elongation guage length 5.65 So Nb+V+T IS-2062 Gr A (SK) 0.23 1.5 0.050 0.050 410 240 23 0.20 IS-2062 Gr B (SK) 0.20 1.5 0.045 0.045 410 240 23 . SAIL-MA 300 0.25 1.5 0.055 0.055 440-560 300 20 Maximum for all SAIL-MA 300 HI 0.20 1.5 0.040 0.040 440-560 300 21 SAIL-MA 350 0.25 1.5 0.040 0.040 490-610 350 20 SAIL-MA 350 HI 0.20 1.5 0.040 0.040 540-660 410 19 . SAIL-MA 410 0.25 1.5 0.040 0.040 540-660 410 20 .

THINK!- MARYLAND METRICS - The One-Stop Source For Metric And British Sized Fasteners, Wrenches, Cutting, & Measuring Tools, Metal Shapes, Oil Seals, O-Rings, Mechanical Power Transmission Equipment, Bearings, Hydraulic And Pneumatic Fittings & Tubing, Workholding Components, Plumbing Fittings, & Some Electrical & Electronic Components. Click to go to Maryland Metrics home page