SNCM431 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of SNCM431

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CNS SNCM431

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This page is mainly introduced the SNCM431 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of SNCM431,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
SNCM431
  • Steel Garde:SNCM431
  • Type:Special Alloy
  • Country:China
  • Standard:CNS
  • Application:China Taiwan Structural steel

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength 732~747 σb/MPa
Yield Strength 521 σ 0.2 ≥/MPa
Elongation 84 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 759~107 -
HRC 30 -

Physical Properties

Thermal expansion 86-25 e-6/K
Thermal conductivity 30-13 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 2195-1396 째C
Density 6875-1372 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)
SNCM431 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

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