SN400C chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of SN400C

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CNS SN400C

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This page is mainly introduced the SN400C chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of SN400C,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
SN400C
  • Steel Garde:SN400C
  • Type:Special Alloy
  • Country:China
  • Standard:CNS
  • Application:China Taiwan Structural steel

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength 654~602 σb/MPa
Yield Strength 425 σ 0.2 ≥/MPa
Elongation 95 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 414~901 -
HRC 30 -

Physical Properties

Thermal expansion 15-83 e-6/K
Thermal conductivity 63-18 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 1137-8126 째C
Density 7287-5350 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)
SN400C 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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