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 059~127 σb/MPa
Yield Strength 287 σ 0.2 ≥/MPa
Elongation 34 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 209~729 -
HRC 30 -

Physical Properties

Thermal expansion 90-90 e-6/K
Thermal conductivity 12-32 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 6267-1300 째C
Density 9046-6968 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