W1 T24700 - GB /T 1299-2025

W1 Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Cu	W	More
Minimum Value	1.05	-	-	-	-	0.1	-	0.8	Cu+Ni≤0.55
Maximum Value	1.25	0.4	0.4	0.03	0.025	0.3	0.25	1.2	Cu+Ni≤0.55

W1 Mechanical Properties

condition	Heat Treatment or Condition	Hardness HBW
Delivery condition	Annealing	187~229
Specimen	Quenching at 800-830°C, water cooling	HRC: ≥62

Approximate Comparison Table Alloy Tool Steel 3

W1 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"!