5CrW2Si T24730 - GB /T 1299-2025

5CrW2Si Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Cu	W	V ^◎	More
Minimum Value	0.45	0.5	-	-	-	1	-	2	0.1	Cu+Ni≤0.55
Maximum Value	0.55	0.8	0.4	0.03	0.025	1.3	0.25	2.5	0.2	Cu+Ni≤0.55

5CrW2Si Mechanical Properties

condition	Heat Treatment or Condition	Hardness HBW
Delivery condition	Annealing	207~255
Specimen	Quenching at 860-900℃, oil cooling	HRC: ≥55

New and Old Grade Replacement List

Approximate Comparison Table Alloy Tool Steel 1

China		United States		International Organization for Standardization	Germany		France	Russia	Sweden	United Kingdom
GB	ISC	ASTM	UNS	ISO	DIN EN/DIN	W-Nr.	NF EN/NF	GOST	SS	BS EN/BS
5CrW2Si	T40125	S1	T41901	50WCrV8	≈45WCrV7	1.2542	50WCrV8	5ХВ2С	~2710	50WCrV8 BS1

5CrW2Si 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"!