SAE NV4(3140) chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of SAE NV4(3140)

SAE SAE NV4(3140)

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This page is mainly introduced the SAE NV4(3140) chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of SAE NV4(3140),such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
SAE NV4(3140)
  • Steel Garde:SAE NV4(3140)
  • Type:Special Alloy
  • Country:USA
  • Standard:SAE
  • Application:precipitation hardening

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength 354~578 σb/MPa
Yield Strength 167 σ 0.2 ≥/MPa
Elongation 29 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 806~285 -
HRC 30 -

Physical Properties

Thermal expansion 54-97 e-6/K
Thermal conductivity 37-17 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 1791-8841 째C
Density 6873-2337 kg/m3
Resistivity 0.50-0.60 Ohm.mm2/m
     

Heat Treatment Regime

Annealing

Quenching

Tempering

Normalizing

Q & T

Size Availability

Steel Grade Specification Processing range(mm)
SAE NV4(3140) Special Alloy Round Bar and Hollow Bar Φ1 to Φ2000
Square and Flat Steel Φ10 to Φ100
Plate and Sheet 0.08-800(Thickness)*10-1500(Width)*Length
Tube or Pipe OD:Φ4-410; WT:1-35 mm; Lenght:10-12000
Coil and Strip Steel THK:0.1mm Width:1500mm
Forged Ring/Cylindrical/Disk

Technical specification/standard for download