42CrMoVNb ADF1 - Others NJGT 318-2019

Grade	42CrMoVNb
Other Names
Corresponding Standard	Others NJGT 318-2019 Hot-Rolled Wire Rods for 14.9 Grade High-Strength Fasteners
Classification	Alloy Steel
Properties	Strength Impact Toughness Fatigue Resistance

42CrMoVNb Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Cu	Mo	V	Nb	Al
Minimum Value	0.38	-	0.3	-	-	0.9	-	0.2	0.15	0.02	-
Maximum Value	0.45	0.25	0.6	0.015	0.01	1.15	0.2	0.6	0.35	0.05	0.015

42CrMoVNb Mechanical Properties

Heat Treatment or Condition	Tensile Strength σ_b Mpa	Specified Plastic Yield Strength Rp_0.2 Mpa	Reduction of Area ψ %
Oil quenching + tempering	≥1400	≥1260	≥10

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