BUREAU OF INDIAN STANDARDS

Type/Size/Grade/Variety and Brand Name for CML No.       4100142968

Date : 04-04-2025


Brand Name :

Type/Size/Grade/Variety :

Name of the product Bright Steel Bars Steel Designation/ Grade and its properties As per Annexure-A Finished condition Ground Shape Round Dimensions and tolerances Diameter from 5 mm to 20 mm and tolerance classes-h9, h10, h11,h12 Annex-A S. No Steel Designation/ Grade Chemical Composition Heat Treatment Carried out (if any) Mechanical Properties (if any) 1.X108Cr17Mo Not Applicable Tensile Strength - 400 Mpa Min. Yield Strength – 320 Mpa Min. % Elongation – 12% min Hardness - HB: 285 Max. 2 NCF751 Not Applicable Tensile Strength - 400 Mpa Min. Yield Strength – 320 Mpa Min. % Elongation – 12% min Hardness - HRC: 26-42. 3 K-M62F-MA Annealed and Cold finished Tensile Strength - 300 Mpa Min. Yield Strength – 200 Mpa Min. % Elongation – 12% min Hardness - HRB: 70-90. 4 21-4N Not Applicable Tensile Strength - 300 Mpa Min. Yield Strength – 200 Mpa Min. % Elongation – 5% min Hardness - HRC: 42 MAX. 5 SUH38 Not Applicable Tensile Strength - 300 Mpa Min. Yield Strength – 200 Mpa Min. % Elongation – 5% min Hardness - HRC: 26-42. 6 21-12N Not Applicable Tensile Strength - 300 Mpa Min. Yield Strength – 200 Mpa Min. % Elongation – 5% min Hardness - HRC: 26-42. 7 23-8N Not Applicable Tensile Strength - 300 Mpa Min. Yield Strength – 200 Mpa Min. % Elongation – 5% min Hardness - HRC: 26-42. 8 K-M62F Annealed and Cold finished Tensile Strength - 300 Mpa Min. Yield Strength – 200 Mpa Min. % Elongation – 12% min Hardness - HRB: 70-90. 9 SUH11(M) Not Applicable Tensile Strength – 400 Mpa (Min.) Yield Stress – 300 Mpa (Min.) Elongation – 5% (Min.) Hardness- 22-36 HRC 10 SUH35 Not Applicable Tensile Strength – 400 Mpa (Min.) Yield Stress – 300 Mpa (Min.) Elongation – 5% (Min.) Hardness- 30-47 HRC 11 SUH3 Not Applicable Tensile Strength – 400 Mpa (Min.) Yield Stress – 300 Mpa (Min.) Elongation – 5% (Min.) Hardness- 22-36 HRC