H51450 - ASTM A 304-2004

USA UNS	H51450
ASTM Specification or Grade	5145H
Corresponding Standard	ASTM A 304-2004 Standard Specification for Carbon and Alloy Steel Bars Subject to End-Quench Hardenability Requirements *BEST AVAILABLE COPY*
Classification	Alloy Steel

Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr
Minimum Value	0.42	0.15	0.6	-	-	0.6
Maximum Value	0.49	0.35	0.9	0.025	0.025	1

Approximate Comparison Table

China		United States		International Organization for Standardization	France	Russia	United Kingdom
GB	ISC	ASTM	UNS	ISO	NF EN/NF	GOST	BS EN/BS
45CrH	A20455	5145H	H51450	≈41Cr4H	≈41Cr4	45Х	≈41Cr4

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