45CrH A20455 - GB /T 5216-2014

Grade	45CrH
China ISC	A20455
Corresponding Standard	GB /T 5216-2014 Structural Steels Specified Hardenability Bands
Classification	Alloy Steel

45CrH Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S ^①	Cr	Ni ^②	Cu ^②	O
Minimum Value	0.42	0.17	0.5	-	-	0.7	-	-	-
Maximum Value	0.49	0.37	0.85	0.03	0.035	1.1	0.3	0.25	0.002

45CrH Mechanical Properties

Heat Treatment or Condition	Hardness HBW
Annealing or High-Temperature Tempering	≤217

Approximate Comparison Table Hardenability Guaranteed Structural Steel

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

45CrH Corresponding Standards(Same grade name, different standards)

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