Grade 15SMn13
Corresponding Standard ISO 683-18-2014
Bright steel products
Classification Carbon Steel
15SMn13 Chemical Element Composition Content (%)
Component C Si Mn P S
Minimum Value 0.12 - 0.9 - 0.08
Maximum Value 0.18 0.4 1.3 0.06 0.18
15SMn13 Mechanical Properties
Heat Treatment or Condition
Tensile Strength
σb
Mpa
Yield Point
σs
Mpa
Elongation or Extension Rate
δ
%
Hardness
HBW
5≤t≤10 Cold drawn (+C) 560~840 ≥450 ≥6
10<t≤16 Cold drawn (+C) 500~800 ≥430 ≥7
16<t≤40 Cold drawn (+C) 470~770 ≥390 ≥8
40<t≤63 Cold drawn (+C) 460~680 ≥350 ≥9
63<t≤100 Cold drawn (+C) 440~650 ≥265 ≥10
16<t≤40 As-rolled + peeled (+SH) 430~600 ≤178
40<t≤63 As-rolled + peeled (+SH) 430~580 ≤172
63<t≤100 As-rolled + peeled (+SH) 420~540 ≤160
Approximate Comparison Table
International Organization for Standardization European Standard
ISO EN Numerical Grade
15SMn13 15SMn13 1.0725

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