CNS 302B chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of CNS 302B

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CNS CNS 302B

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This page is mainly introduced the CNS 302B chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of CNS 302B,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
CNS 302B
  • Steel Garde:CNS 302B
  • Type:Special Alloy
  • Country:China
  • Standard:CNS
  • Application:China Taiwan Stainless steel

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength 720~003 σb/MPa
Yield Strength 665 σ 0.2 ≥/MPa
Elongation 64 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 651~562 -
HRC 30 -

Physical Properties

Thermal expansion 33-73 e-6/K
Thermal conductivity 42-86 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 8335-1716 째C
Density 8559-5192 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)
CNS 302B 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