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NV4 (3140)

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G31410 G31400
#NV4 #(3140)

Description

NV4 (3140) High Alloy and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:High Alloy: NV4 (3140)
Category Type Steel Grade Standard Country Application
Steel GradesHigh Alloy NV4 (3140)
N07750
689
N07252
690
NV1 (1541)
H15410
NV2 (1547)
H15470
NV3
G31410

Chemical composition(mass fraction)(wt.%) of the NV4 (3140)

C
≤		 Si
≤		 Mn
≤		 P
≤		 S
≤		 Cr Ni
0.38-0.43 0.15-0.30 0.70-0.90 0.040 0.040 0.35-0.65 1.10-1.40
Mo Al Cu Nb Ti V Ce
             
N Co Pb B Other    
             
             

Mechanical Properties of steel grade NV4 (3140)

Yield
Rp0.2 (MPa)		 Tensile
Rm (MPa)		 Impact
KV/Ku (J)		 Elongation
A (%)		 Reduction in cross section on fracture
Z (%)		 As-Heat-Treated Condition Brinell hardness (HBW)
928 (≥) 579 (≥) 44 24 42 Solution and Aging, Annealing, Ausaging, Q+T,etc 332

Physical Properties of steel grade NV4 (3140)

Temperature
(°C)		 Modulus of elasticity
(GPa)		 Mean coefficient of thermal expansion 10-6/(°C) between 20(°C) and Thermal conductivity
(W/m·°C)		 Specific thermal capacity
(J/kg·°C)		 Specific electrical resistivity
(Ω mm²/m)		 Density
(kg/dm³)		 Poisson’s coefficient, ν
12 - -     0.41 -  
114 189 - 42.3 434   -  
963 - 22 11.2   243 411

Heat Treatment of steel grade NV4 (3140)

Heat treated : 1384°C - 1677°C

Technological Curves of steel grade NV4 (3140)

Cross Reference Table (Equivalent Grade) of NV4 (3140)

Grade Standard Country Application
51CrMnV4 DIN Germany Cold working alloy tool steel
SAE NV4(3140) SAE USA precipitation hardening
SAE HNV4 SAE USA precipitation hardening
G31410 G31400
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