 |
 |
| 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 PROPORTIES | ||||
| 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 |
|
| Consititient | 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 |
| MECHANICL PROPORTIES | |
| Proporty | Grade * |
| Tensile Strength. Mpa(Kgf/mm.sq.) | 350 to 450 ( 36 to 46 ) |
| Yield Strength. Mpa ( Kg/mm.sq.)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 1250mm | 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 |
| Chamber Tolerance For Coils and Cut Length | |
| Form | Tolerance |
| Coil | 20mm 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 PROPORTIES | ||||||||||
| 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 | Per cent,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 per cent prrof stress/yield stress Min N/mm.sq. | 415 | 415 | 500 | 500 | 550 | 550 | |
| Elongation.per cent ,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.) |
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) |
|
| 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 |
0.23max | 1.50max | 0.05max | 0.50max | 250min | 410min | 23min |
| Drawing Quality Wire Rods |
SWR-14 | 0.14max 0.08-013 |
0.60max 0.30-0.60 |
0.05max 0.05 max |
0.05max 0.04 max |
- | - | - |
| Low Carbon Drawing Quality Wire Rods |
SWR-10 SAE-1008 |
0.1max 0.1 max |
0.6max 0.3 max |
0.04max 0.05 max |
0.04max 0.04 max |
- | - | - |
| Electrode Quality Wire Rod |
IS-2879 Rimming Grade |
0.1max | 0.38-0.62 | 0.03max | 0.03max | - | - | - |
| 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 |
Elong%in 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-MA300 | 0.25 | 1.5 | 0.055 | 0.055 | 440-560 | 300 | 20 | Maximum for all |
| SAIL-MA300 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 | . |
