Brand Name :
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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
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