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 given below
Finished condition Drawn
Shape RoundDimensions and tolerance classes Rounds of diameter from 09 mm upto and including 30 mm and
Tolerance class h10,h11 and h12
Steel Designation/
Grade Chemical Composition Heat Treatment Carried out(if any)/ Supply condition Mechanical Properties
SAE9254 C: 0.51 to 0.59
Si: 1.2 to 1.6
Mn: 0.6 to 0.8
P: 0.02 Max
S: 0.02 Max
Cr: 0.6 to 0.8 Cold Drawn HB 444 to HB514
POSHIS125 C: 0.51 to 0.5
Si: 1.4 to 1.7
Mn: 0.55 to 0.80
P: 0.017 Max
S: 0.010 Max
Cr: 0.6 to 0.8
Ni: 0.25 to 0.35
Cu: 0.25 to 0.35
B: 0.0005 to 0.0025
V: 0.05 to 0.15
Ti: 0.01 to 0.04
Al: 0.001 to 0.04
Nb 0.015 to 0.04 Cold Drawn HB 505 to HB590
POSHIS120S C: 0.51 to 0.55
Si: 1.3 to 1.6
Mn: 0.55 to 0.75
P: 0.017 Max
S: 0.010 Max
Cr: 0.6 to 0.8
Ni: 0.1 to 0.3
Cu: 0.1 to 0.3
V: 0.05 to 0.10
Ti: 0.01 to 0.04 Cold Drawn HB 495 to HB578
SUP9D C: 0.56 to 0.60
Si: 1.5 to 3.5
Mn: 0.75 to 0.95
P: 0.035 Max
S: 0.035 Max
Cr: 0.8 to 0.9 Cold Drawn HB 380 to HB460
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