9Cr3MoV T42357 - GB /T 1299-2025

9Cr3MoV Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Ni	Mo	V
Minimum Value	0.85	0.25	0.2	-	-	2.5	-	0.2	0.1
Maximum Value	0.95	0.45	0.35	0.02	0.015	3.5	0.25	0.4	0.2

9Cr3MoV Mechanical Properties

condition	Heat Treatment or Condition	Hardness HBW
Delivery condition	Annealing	≤255
Specimen	Quenching at 890-950°C, air or oil cooling	HRC: ≥64

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