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SAE SAE NV7(4140)

SAE NV7(4140)


SAE NV7(4140) material is precipitation hardening.

Chemical composition of SAE NV7(4140), SAE NV7(4140) mechanical properties, SAE NV7(4140) datasheet, SAE NV7(4140) equivalent grade, Heat treatment and temperature process of SAE NV7(4140).


SAE NV7(4140) property sheet

SAE NV7(4140) Spec.

Related Materials

Chemical Composition of SAE NV7(4140)

C 0.37-0.44
Si 0.15-0.35
Mn 0.65-1.10
P Max 0.035
S Max 0.04
Cr 0.75-1.20
Mo 0.15-0.25

Mechanical Properties of SAE NV7(4140)

Rp0.2 (MPa) 219 (≥)
Rm (MPa) 151 (≥)
AKV (J) 42
A (%) 22
Z (%) 23
Hardness HBW 141

SAE NV7(4140) shape and dimensions

SAE NV7(4140) Round bar: 1mm-800mm
SAE NV7(4140) Square bar: 10mm * 10mm-600mm *600mm
SAE NV7(4140) Flat bar: Thickness:8mm-800mm Width:10mm to 1500mm
SAE NV7(4140) Sheet or Plate: Thickness:3mm-80mm Width:1.5mm to 1500mm
SAE NV7(4140) Strip or Coil: Thickness:0.1mm-3mm Width:1.5mm-1500mm
SAE NV7(4140) Forgings: Shafts with flanks/pipes/tubes/slugs/donuts/cubes/other shapes

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