6W6Mo5Cr4V T26420 - GB /T 1299-2025

6W6Mo5Cr4V Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Cu	Mo	W	V	More
Minimum Value	0.55	-	-	-	-	3.7	-	4.5	6	0.7	Cu+Ni≤0.55
Maximum Value	0.65	0.4	0.6	0.03	0.015	4.3	0.25	5.5	7	1.1	Cu+Ni≤0.55

6W6Mo5Cr4V Mechanical Properties

condition	Heat Treatment or Condition	Hardness HBW
Delivery condition	Annealing	≤269
Specimen	Quenching at 1180-1200℃, oil cooling	HRC: ≥60

New and Old Grade Replacement List

Corresponding Standard	Grade
GB /T 1299-2014	Grade China ISC Other Name Other Name
GB /T 1299-2025	Grade China ISC

6W6Mo5Cr4V 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"!