Grade 44SMn28
Corresponding Standard ISO 683-9-1988
Heat-treatable steels,alloy steels and free-cutting steels-Part 9:Wrought free-cutting steels
Classification Carbon Steel
Properties Machinability
44SMn28 Chemical Element Composition Content (%)
Component C Si Mn P S
Minimum Value 0.4 0.15 1.3 - 0.24
Maximum Value 0.48 0.4 1.7 0.06 0.33
1 Approximate Comparison Table
China Taiwan, China Japan South Korea United States International Organization for Standardization France European Standard Russia United Kingdom
GB ISC CNS JIS KS ASTM/AISI UNS SAE ISO NF EN/NF EN Numerical Grade GOST BS EN/BS
Y40Mn
Y45Mn
L20409 SUM42 SUM42
SUM43
SUM42 1141 G11410 SAE 1144 44SMn28 40M5 44SMn28 1.0762 А10Г 212M44
2 Approximate Comparison Table
China International Organization for Standardization European Standard Russia
GB ISO EN Numerical Grade GOST
Y40Mn 44SMn28 44SMn28 1.0762 A40G
А40Г
3 Approximate Comparison Table
China Japan United States International Organization for Standardization Germany France European Standard Russia United Kingdom
GB JIS ASTM ISO DIN EN/DIN W-Nr. NF EN/NF EN Numerical Grade GOST BS EN/BS
Y40Mn SUM42 1141
1139
44SMn28
35SMn20
38SMn28 1.0760 38SMn28 38SMn28 1.0760 A40Г 38SMn28
4 Approximate Comparison Table
China Japan United States International Organization for Standardization
GB JIS ASTM ISO
Y45MnS SUM43 1144 44SMn28

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