IS CODE STEEL SPECIFICATIONS INDIAN STANDARDS FOR STRUCTURAL STEEL PRODUCTS Sl No. Product Specification G 1 IS 2062 2 IS 10748 1, 2, 3, 4, 5 3 IS 6240 Grade 1, Grad 4 Hot rolled carbon steel sheet and strip IS 1079 5 IS 513 6 IS 814 INDIAN STANDARDS FOR BOLTS, NUTS ND WASHERS Sl No. Product Specifi 1 IS 1367 2 IS 1 3 IS 1 4 Hexagon Fit Bolt IS 3 5 Hight Strength Structural Bolts IS 3 6 Foundation Bolts IS 5 7 Washers 8 High Strength Structural nuts IS 6 Hot Rolled medium and high tensile structural steel E 250, E275, E E600, E650 (G Hot rolled steel strips for welded tubes abd pipes Hot rolled steel plate (upto 6mm ) sheet abd strip Ordinary(O), D Extra Deep Dr Cold Reduced low carbon steel sheet and strip Ordinary(O), D Extra Deep Dr Covered Electrodes for manual metal arc welding of Carbon and Carbon - Manganese Steel Ex40xx, Ex41x Ex50xx, Ex51x Ex55xx, Ex56x Technical supply conditions for threaded fasteners Hexagon head Bolts, Screws and Nut of Grade A, B Hexagon head Bolts, Screws and Nut of Grade A, B IS 5369, IS 53 IS 5374, IS 6
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IS 5369, IS 5370, IS 5372, IS 5374, IS 6610, IS 6649
IS CODE STEEL SPECIFICATIONS
A. Grades available for structural Hot Rolled Sections, Plates
Sl No. IS 2062 GradeMin. Yeild Stress Fy(Mpa)
d (or)t <20 20-40 >40
1 E 250
A
250 240 230BRB0C
2 E 275
A
275 265 255BRB0C
3 E 300
A
300 290 280BRB0C
4 E 350
A
350 330 320BRB0C
5 E 410
A
410 390 380BRB0C
6 E 450A
450 430 420BR
7 E 550A
550 530 520BR
8 E 600A
600 580 570BR
9 E 650A
650 630 620BR
Where, the sub qualities refer to,
A : Impact test not required, semi-killed/killed
BR : Impact test optional; if required at room temperature; semi-killed/killed
B0 : Impact test mandatory at 0°C , semi-killed/killed
C : Impact test mandatory at -20°C , killed
B. Grades available for structural Hollow Steel Sections / Tube Sections
Sl No. Min. Yeild Stress Fy(Mpa)
1 Yst 210 2102 Yst 240 2403 Yst 310 310
Steels of qualities A, BR, B0 and C are generally suitable for welding processes. The weldability increases from quality A to C for grade designation E 250 and E 275.
IS 4923 Grade/ IS 1161 Grade
CLIENT
PROJECT
DOC. NO.
REV. NO.
DATE
Fu (Mpa)
410
430
440
490
540
570
650
730
780
Impact test optional; if required at room temperature; semi-killed/killed
B. Grades available for structural Hollow Steel Sections / Tube Sections
Min. Tensile Strength Fu(Mpa)
330410450
Steels of qualities A, BR, B0 and C are generally suitable for welding processes. The weldability increases from quality A to C for grade