4Cr5W2VSi T25320 - GB /T 1299-2025

4Cr5W2VSi Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Cu	W	V	More
Minimum Value	0.32	0.8	-	-	-	4.5	-	1.6	0.6	Cu+Ni≤0.55
Maximum Value	0.42	1.2	0.4	0.025	0.02	5.5	0.25	2.4	1	Cu+Ni≤0.55

• Smelting method: Vacuum degassing

4Cr5W2VSi Mechanical Properties

condition	Heat Treatment or Condition	Hardness HBW
Delivery condition	Annealing	≤229
Specimen	Quenching at 1030-1050°C, oil or air cooling	①

New and Old Grade Replacement List

4Cr5W2VSi 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"!