G51550 - ASTM A29/A29M-2020

USA UNS	G51550
ASTM Specification or Grade	5155
Corresponding Standard	ASTM A29/A29M-2020 General Requirements for Steel Bars, Carbon and Alloy, Hot-Wrought
Classification	Alloy Steel

Chemical Element Composition Content (%)

Component	C	Si ^①	Mn	P	S	Cr	Ni ^②	Cu ^②	Mo ^②
Minimum Value	0.51	0.15	0.7	-	-	0.7	-	-	-
Maximum Value	0.59	0.35	0.9	0.035	0.04	0.9	0.25	0.35	0.06

Approximate Comparison Table

China		Taiwan, China	Japan	South Korea	United States		International Organization for Standardization	Germany		France	United Kingdom
GB	ISC	CNS	JIS	KS	AISI	UNS	ISO	DIN EN/DIN	W-Nr.	NF EN/NF	BS EN/BS
55CrMnA	A22553	SUP9	SUP9	SPS5	5155	G51550	55Cr3	55Cr3	1.7176	55C3	≈527A60

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