20MoCr4 1.7321 - DIN EN 10084-2008

Grade	20MoCr4
Germany W-Nr.	1.7321
Corresponding Standard	DIN EN 10084-2008 Case hardening steels – Technical delivery conditions
Classification	Alloy Steel

20MoCr4 Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Mo
Minimum Value	0.17	-	0.7	-	-	0.3	0.4
Maximum Value	0.23	0.4	1	0.025	0.035	0.6	0.5

20MoCr4 Mechanical Properties

condition	Heat Treatment or Condition	Hardness HBW
Semifinished products, bars	Processed to a Certain Shearability (+S)	≤255
All product shapes	Soft Annealing (+A)	≤207
Bar, wire, flat steel, forging	Processed to a Certain Hardness (+TH)	156~207
Bar, forging	Processed to Ferrite-Perlite Structure (+FP)	140~187

Approximate Comparison Table

China		United States	International Organization for Standardization	Germany		European Standard
GB	ISC	ASTM/AISI	ISO	DIN EN/DIN	W-Nr.	EN	Numerical Grade
G20CrMo	B10200	A534 4118H	≈20MnCrMo4-2 (B27) 20MoCr4	20MoCr4	1.7321	20MoCr4	1.7321

20MoCr4 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"!