7Mn15Cr2Al3V2WMo T26430 - GB /T 1299-2025

7Mn15Cr2Al3V2WMo Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Cu	Mo	W	V	Al	More
Minimum Value	0.65	-	14.5	-	-	2	-	0.5	0.5	1.5	2.3	Cu+Ni≤0.55
Maximum Value	0.75	0.8	16.5	0.025	0.02	2.5	0.25	0.8	0.8	2	3.3	Cu+Ni≤0.55

• Smelting method: Vacuum degassing

7Mn15Cr2Al3V2WMo Mechanical Properties

condition	Heat Treatment or Condition	Hardness HBW
Specimen	Solution treatment at 1,170-1,190 ℃, water cooling Aging at 650-700 ℃, air cooling	HRC: ≥43

7Mn15Cr2Al3V2WMo Corresponding Standards(Same grade name, different standards)

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