Grade 10B30
USA UNS G10301
Corresponding Standard ASTM A29/A29M-2020
General Requirements for Steel Bars, Carbon and Alloy, Hot-Wrought
Classification Carbon Steel
10B30 Chemical Element Composition Content (%)
Component C Mn P S B
Minimum Value 0.28 0.6 - - 0.0005
Maximum Value 0.34 0.9 0.04 0.05 0.003
Approximate Comparison Table Steel for Cold Heading and Cold Extrusion
China Japan United States
YB GB JIS ASTM
QML30B ML30B SWRCHB331 10B30
10B30 Corresponding Standards(Same grade name, different standards)

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