4621 H H46210 - ASTM A304-2016

Grade	4621 H
USA UNS	H46210
Corresponding Standard	ASTM A304-2016 Carbon and Alloy Steel Bars Subject to End-Quench Hardenability Requirements
Classification	Alloy Steel

4621 H Chemical Element Composition Content (%)

Component	C	Si	Mn	Cr ^①	Ni	Cu ^①	Mo
Minimum Value	0.17	0.15	0.6	-	1.55	-	0.2
Maximum Value	0.23	0.35	1	0.2	2	0.35	0.3

Note: Standard H Steels can be produced with a lead range of 0.15-0.35 %. Such steels are identified by inserting the letter L between the second and third numerals of the grade designation, for example, 40L40 H. Lead is generally reported as a range of 0.15-0.35 %.

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