H43400 - SAE J 1268-2010

USA UNS	H43400
SAE Steel Number	4340H
Corresponding Standard	SAE J 1268-2010 Hardenability Bands for Carbon and Alloy H Steels
Classification	Alloy Steel
Properties	Quench Hardness

Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Ni	Cu	Mo
Minimum Value	0.37	0.15	0.55	-	-	0.65	1.55	-	0.2
Maximum Value	0.44	0.35	0.9	0.03	0.04	0.95	2	0.35	0.3

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