4Cr2NiMoV T27910 - GB /T 1299-2025

4Cr2NiMoV Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Ni	Cu	Mo	V
Minimum Value	0.35	-	-	-	-	1.8	1.1	-	0.45	0.1
Maximum Value	0.45	0.4	0.4	0.025	0.02	2.2	1.5	0.25	0.6	0.3

• Smelting method: Vacuum degassing

4Cr2NiMoV Mechanical Properties

condition	Heat Treatment or Condition	Hardness HBW
Delivery condition	Annealing	≤220
Specimen	Quenching at 910-960°C, oil cooling	①

New and Old Grade Replacement List

4Cr2NiMoV 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"!