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 bars upto and including 50 mm
Dimensions and tolerance classes h9, h10, h11 & h12
Annexure - A
Steel Designation Chemical composition Heat treatment Mechanical properties
VV50 Carbon (C) : 0.45-0.51 %
Silicon (Si) : 0.08-0.45 %
Manganese (Mn) : 8.5-9.5%
Phosphorus (P) : 0.04% (max)
Sulphur (S) : 0.03%
Chromium (Cr) : 20-21%
Molybdenum (Mo) : 0.5% (max)
Nickel (Ni) : 3.5-3.9%
Tungsten (W) : 0.8-1%
Copper (Cu) : 0.5% (max)
Niobium (Nb) : 1.8-2.5%
Tin (Sn) : 0.03% (max)
Tantalum (Ta) : 0.1% (max)
Solution treated N.A.
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