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 enclosed
Finished Condition Drawn
Shape Round bar
Dimensions and tolerance
classes • Dimensions:
i). Round bar of diameter from 4 mm to upto and including 10 mm
ii). Round bar of diameter over 30 mm to upto and including 120 mm
• Tolerance classes: h9 to h12
Annexure- A
Sr. No. Steel Designation/Grade Chemical Composition (mass %) Heat Treatment carried out (if any) Mechanical Properties
(if any)
Hardness (HBW)
C Si Mn P S Cr Pb Ni Mo V
1 ETG 100 0.10 - 0.70 1.30 max 0.25 - 2.20 0.50 max 1.00 max 1.40 max - - 1.00 max - NA 180 – 500 HBW
2 ETG 88 0.10 - 0.70 0.10 - 0.90 1.00 - 2.30 0.10 max 0.50 max - - - - - NA 180 – 500 HBW
3 HSX 110 0.10 - 0.70 0.40 - 1.10 1.00 - 2.30 0.10 max 0.10 max - - - - 0.50 max NA 180 – 500 HBW
4 ESP 65 0.10 - 0.50 0.75 max 0.50 - 1.75 0.10 max 0.10 max 0.50 - 1.50 0.10 - 0.75 - - - NA 180 – 500 HBW
5 ETG 25 0.10 - 0.70 0.75 max 1.00 - 2.00 0.10 max 0.10 max - - - - - NA 180 – 500 HBW
6 HSX 130 1.00 max 0.50 - 2.00 0.25 - 2.20 0.10 max 0.05 - 0.25 0.75 - 2.25 - - 0.75 max - NA 180 – 500 HBW
7 HSX Z12 1.00 max 0.50 - 2.00 0.25 - 2.20 0.10 max 0.05 - 0.25 0.75 - 2.25 - - 0.75 max - NA 180 – 500 HBW
8 XTP 2.00 max 3.00 max 3.20 max 1.75 max 2.00 max 2.50 max - - 2.50 max - NA 180 – 600 HBW
9 HSX 90 0.01 – 0.15 0.10 – 0.50 0.50 – 2.50 0.75 max 0.75 max 1.0 max - - 0.20 max 0.01 – 0.20 NA 400 HBW max
10 HSX Z10 0.10 – 0.50 0.10 – 1.50 0.50 – 2.50 0.75 max 0.75 max 1.0 max - - 0.20 max 0.01 – 0.35 NA 400 HBW max
11 SC30 1.00 max 2.00 max 0.10 – 2.50 0.75 max 1.00 max - - - - - NA 400 HBW max
12 SC37 1.00 max 2.00 max 0.10 – 2.50 0.75 max 1.00 max - - - - - NA 400 HBW max
13 SC30Pb 1.00 max 2.00 max 0.10 – 2.50 0.75 max 1.00 max - 0.05 – 0.75 - - - NA 400 HBW max
14 SC37Pb 1.00 max 2.00 max 0.10 – 2.50 0.75 max 1.00 max - 0.10 – 0.75 - - - NA 400 HBW max
15 SC37Pbplus 1.00 max 1.00 max 0.10 – 2.50 0.75 max 1.00 max - 0.10 – 0.75 - - - NA 400 HBW max
16 SC620Pbplus 0.20 – 1.50 1.00 max 0.10 – 2.50 0.75 max 1.00 max - 0.05 – 0.75 - - - NA 400 HBW max
17 C50R 1.50 max 1.00 max 0.10 – 2.00 0.50 max 0.50 max 1.00 max - - 0.50 max - NA 400 HBW max
18 C53G/Cf53 1.50 max 1.00 max 0.10 – 2.00 0.50 max 0.50 max - - - - - NA 400 HBW max
19 C60R 1.50 max 1.00 max 0.10 – 2.00 0.10 – 2.50 0.10 – 2.50 1.00 max - - 0.50 max - NA 400 HBW max
20 51/58CrV4 1.50 max 1.00 max 0.10 – 2.00 0.50 max 0.50 max 2.50 max - - - 1.00 max NA 400 HBW max
21 34CrMo4 1.50 max 1.00 max 0.10 – 2.00 0.50 max 0.50 max 2.50 max - - 1.00 max - NA 400 HBW max
22 100Cr6 1.50 max 1.00 max 0.10 – 2.00 0.50 max 0.50 max 2.50 max - - - - NA 400 HBW max
23 11SMn30 1.00 max 1.00 max 0.10 – 2.50 0.75 max 1.00 max - - - - - NA 400 HBW max
24 11SMn37 1.00 max 1.00 max 0.10 – 2.50 0.75 max 1.00 max - - - - - NA 400 HBW max
25 11SMnPb30 0.50 max 0.40 max 0.50 – 2.25 0.25 max 0.75 max 0.65 max - 0.55 max - - NA 295 HBW max
26 11SMnPb37 1.00 max 1.00 max 0.10 – 2.50 0.75 max 1.00 max - 0.05 – 0.75 - - - NA 400 HBW max
27 15S10 1.00 max 1.00 max 0.10 – 2.50 0.75 max 1.00 max - - - - - NA 400 HBW max
28 18CrNi8 1.00 max 1.00 max 0.10 – 2.50 0.50 max 0.50 max 2.50 max - - - - NA 400 HBW max
29 C15R 1.00 max 1.00 max 0.10 – 2.50 0.50 max 0.50 max - - - - - NA 400 HBW max
30 C15Pb 1.00 max 1.00 max 0.10 – 2.50 0.50 max 0.50 max - 1.00 max - - - NA 400 HBW max
31 35S20 1.00 max 1.00 max 0.10 – 2.50 0.50 max 0.50 max - - - - - NA 400 HBW max
32 46S20 1.00 max 1.00 max 0.10 – 2.50 0.50 max 0.50 max - - - - - NA 400 HBW max
33 44SMn28 1.00 max 1.00 max 0.10 – 2.50 0.50 max 0.75 max - - - - - NA 400 HBW max
34 C45(E)(R) 1.00 max 1.00 max 0.10 – 2.50 0.75 max 1.00 max 1.00 max - - 0.05 – 1.50 - NA 400 HBW max
35 C45Pb 1.00 max 1.00 max 0.10 – 2.50 0.75 max 0.75 max - 1.00 max - - - NA 400 HBW max
36 C35(E)(R) 1.00 max 1.00 max 0.10 – 2.50 0.50 max 0.50 max 1.00 max - - 0.05 – 1.50 - NA 400 HBW max
37 C45Pb/C35Pb 1.00 max 1.00 max 0.10 – 2.50 0.50 max 0.50 max - 1.00 max - - - NA 400 HBW max
38 41Cr(S)4 1.00 max 1.00 max 0.10 – 2.50 0.75 max 0.75 max 2.00 max - - - - NA 400 HBW max
39 42CrMo(S)4 1.00 max 1.00 max 0.10 – 2.50 0.75 max 1.00 max 2.00 max - - 0.05 – 1.50 - NA 400 HBW max
40 31CrMoV9 1.00 max 1.00 max 0.10 – 2.50 0.75 max 0.75 max 1.50 – 4.50 - - 0.05 – 1.50 0.05 – 1.50 NA 400 HBW max
41 33MnCrB5-2 1.00 max 1.00 max 0.10 – 2.50 0.75 max 0.75 max 0.05 – 2.00 - - - - NA 400 HBW max
42 S235JR 1.00 max 1.00 max 0.10 – 2.50 0.50 max 0.50 max - - - - - NA 400 HBW max
43 S355J2G3 0.95 max 0.75 max 0.40 – 2.25 0.25 max 0.75 max 0.75 max - 0.65 max - - NA 295 HBW max
44 Swiss Cut 2.00 max 3.00 max 3.20 max 1.75 max 2.00 max 2.50 max - - 2.50 max - NA 180 – 600 HBW
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