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Home Material JIS G 4804-2021
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Grade SUM42
Corresponding Standard JIS G 4804-2021
Free-Cutting Steel
Classification Carbon Steel
SUM42 Chemical Element Composition Content (%)
Component C Mn P S
Minimum Value 0.37 1.35 - 0.08
Maximum Value 0.45 1.65 0.04 0.13
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 ISO NF EN/NF EN Numerical Grade GOST BS EN/BS
Y40Mn L20409 SUM42 SUM42 SUM42 1141 G11410 44SMn28 40M5 44SMn28 1.0762 А10Г 212M44
2 Approximate Comparison Table Free-Cutting Structural Steel
China Japan United States International Organization for Standardization Germany France European Standard Russia United Kingdom
GB JIS ASTM/AISI 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
SUM42 Corresponding Standards(Same grade name, different standards)
1 JIS G 4804-2008
SUM42
2 JIS G 4804-2021
SUM42

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