Grade 15SMn13
Corresponding Standard DIN EN ISO 683-4-2018
Heat-treatable steels,alloy steels and free-cutting steels--Part 4: free-cutting steels
Classification Carbon Steel
Properties Machinability Carburizing Ability
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
condition Heat Treatment or Condition
Tensile Strength
σb
Mpa
Hardness
HBW
5<d≤10 Untreated (U) 430~610 ≤181
10<d≤40 Untreated (U) 430~600 ≤178
40<d≤63 Untreated (U) 430~580 ≤172
63<d≤100 Untreated (U) 420~540 ≤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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