Grade 15SMn13
1.0725
Corresponding Standard NF EN 10087-1999
Free-cutting structural steels
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
diameter
d
mm
Heat Treatment or Condition
Tensile Strength
σb
Mpa
Hardness
HBW
Steel: 5≤ d ≤10 430~610
Steel: 10<d ≤16 430~600
Steel: 16 < d ≤ 40 Surface hardening 430~600 128~178
Steel: 40 < d ≤ 63 430~580 128~172
Steel: 63 < d ≤ 100 420~540 125~160
Approximate Comparison Table
China Japan United States Germany France European Standard Russia United Kingdom
GB JIS ASTM DIN EN/DIN W-Nr. NF EN/NF EN Numerical Grade GOST BS EN/BS
Y20 SUM32 1117 15SMn13 1.0725 15SMn13 15SMn13 1.0725 A20 15SMn13

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