40CrMoV 4-7 1.7711 - DIN 17240-1976

Grade	40CrMoV 4-7
Germany W-Nr.	1.7711
Corresponding Standard	DIN 17240-1976 Heat Resisting and Highly Heat Resisting Materials for Bolts and Nuts
Classification	Alloy Steel
Properties	Strength

40CrMoV 4-7 Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Mo	V
Minimum Value	0.36	0.15	0.35	-	-	0.9	0.6	0.25
Maximum Value	0.44	0.35	0.85	0.03	0.035	1.2	0.75	0.35

40CrMoV 4-7 Mechanical Properties

condition	Heat Treatment or Condition	Tensile Strength σ_b Mpa	Yield Point σ_s Mpa	Elongation or Extension Rate δ %	Reduction of Area ψ %	Impact Energy Absorption KV2 J
d≤100	Quenched and Tempered (V)	850~1000	≥700	≥14	≥45	ISO-V ≥47

New and Old Grade Replacement List

Approximate Comparison Table Structural Alloy Steel

Note: The data is for reference only! If you have any questions, please fill out "I want to correct it"!