USA UNS G11390
ASTM
Specification or Grade
1139
Corresponding Standard ASTM A29/A29M-2012
Standard Specification for General Requirements for Steel Bars, Carbon and Alloy, Hot-Wrought
Classification Carbon Steel
Chemical Element Composition Content (%)
Component C Mn P S More
Minimum Value 0.35 1.35 - 0.13 ①②③
Maximum Value 0.43 1.65 0.04 0.2
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 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

Note: The data is for reference only! If you have any questions, please fill out "I want to correct it"!