20Cr3 1.3559 - DIN EN ISO 683-17-2015

Grade	20Cr3
Germany W-Nr.	1.3559
Corresponding Standard	DIN EN ISO 683-17-2015 Heat-Treated Steels, Alloy Steels and Free-Cutting Steels - Part 17: Ball and Roller Bearing Steels
Classification	Alloy Steel
Properties	Quench Hardness

20Cr3 Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S ^①	Cr	Cu	Al	O
Minimum Value	0.17	-	0.6	-	-	0.6	-	-	-
Maximum Value	0.23	0.4	1	0.025	0.015	1	0.3	0.05	0.002

20Cr3 Mechanical Properties

condition	Heat Treatment or Condition	Hardness HBW
Bars, coiled bars	Softening Annealing (+A)	≤207
Bar stock, coil, wire, ring parts	Solution Heat Treatment (+TH)	156~207
Bars, coils, wire rods, pipes, rings	Spheroidizing Annealing (+AC)	≤170

20Cr3 Corresponding Standards(Same grade name, different standards)

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