X21CrNi17 Z21CN17 - NF A 35-590-1992

X21CrNi17 Chemical Element Composition Content (%)

Component	C	Si	Mn	Cr	Ni
Minimum Value	0.17	-	-	16	1.5
Maximum Value	0.25	1	1	18	2.5

X21CrNi17 Mechanical Properties

condition	Heat Treatment or Condition	Hardness HBW
Tool steel	Annealing	HBS: ≤269
Tool steel	Quenching temperature 1000°C oil quenching, 550°C tempering hold for 1h	HRC ≥39

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