IS CODE STEEL SPECIFICATIONS

INDIAN STANDARDS FOR STRUCTURAL STEEL PRODUCTS

Sl No. Product Specification Grades / Classification

1 IS 2062

2 IS 10748 1, 2, 3, 4, 5

3 IS 6240 Grade 1, Grade 2

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 Specification

1 IS 1367 (Part3)

2 IS 1364

3 IS 1363

4 Hexagon Fit Bolt IS 3640

5 Hight Strength Structural Bolts IS 3757

6 Foundation Bolts IS 5624

7 Washers

8 High Strength Structural nuts IS 6623

Hot Rolled medium and high tensile structural steel

E 250, E275, E300, E350, E410, E450, E550, E600, E650 (Grades A, BO, BR and C)

Hot rolled steel strips for welded tubes abd pipes

Hot rolled steel plate (upto 6mm ) sheet abd strip

Ordinary(O), Drawing(D), Deep Drawing(DD), Extra Deep Drawing(EDD)

Cold Reduced low carbon steel sheet and strip

Ordinary(O), Drawing(D), Deep Drawing(DD), Extra Deep Drawing(EDD)

Covered Electrodes for manual metal arc welding of Carbon and Carbon - Manganese Steel

Ex40xx, Ex41xx, Ex42xx, Ex43xx, Ex44xx, Ex50xx, Ex51xx, Ex52xx, Ex53xx, Ex54xx, Ex55xx, Ex56xx

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 5370, IS 5372, IS 5374, IS 6610, IS 6649

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Grades / Classification

1, 2, 3, 4, 5

Grade 1, Grade 2

Specification

IS 1367 (Part3)

IS 1364

IS 1363

IS 3640

IS 3757

IS 5624

IS 6623

E 250, E275, E300, E350, E410, E450, E550, E600, E650 (Grades A, BO, BR and C)

Ordinary(O), Drawing(D), Deep Drawing(DD), Extra Deep Drawing(EDD)

Ordinary(O), Drawing(D), Deep Drawing(DD), Extra Deep Drawing(EDD)

Ex40xx, Ex41xx, Ex42xx, Ex43xx, Ex44xx, Ex50xx, Ex51xx, Ex52xx, Ex53xx, Ex54xx, Ex55xx, Ex56xx

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

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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

IS CODE STEEL SPECIFICATIONS

C. Grades available for structural Fasteners

IS CODE STEEL SPECIFICATIONS

IS CODE STEEL SPECIFICATIONS

IS CODE STEEL SPECIFICATIONS

IS CODE STEEL SPECIFICATIONS

Anchor Bolts

IS CODE STEEL SPECIFICATIONS

IS CODE STEEL SPECIFICATIONS

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