Grade SUM43
Corresponding Standard JIS G 4804-2008
Free-Cutting Steels
Brand/Supplier
-> POSCO
Classification Carbon Steel
Properties Machinability
SUM43 Chemical Element Composition Content (%)
  Component C Mn P S
本标准 Minimum Value 0.4 1.35 - 0.24
Maximum Value 0.48 1.65 0.04 0.33
  Component C Si Mn P S
浦项 Minimum Value 0.4 - 1.35 - 0.24
Maximum Value 0.48 0.4 1.65 0.04 0.33
1 Approximate Comparison Table Free-Cutting Structural Steel
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 Japan United States International Organization for Standardization
GB JIS ASTM ISO
Y45MnS SUM43 1144 44SMn28

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