G12144 - ASTM A29/A29M-2023

USA UNS	G12144
ASTM Specification or Grade	12L14
Corresponding Standard	ASTM A29/A29M-2023 General Requirements for Steel Bars, Carbon and Alloy, Hot-Wrought
Classification	Spring Steel

Chemical Element Composition Content (%)

Component	C	Mn	P	S	Pb
Minimum Value	-	0.85	0.04	0.26	0.15
Maximum Value	0.15	1.15	0.09	0.35	0.35

① The elements bismuth, calcium, selenium, or tellurium may be added as agreed upon between purchaser and supplier.

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