CNS 303Se chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of CNS 303Se

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CNS CNS 303Se

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This page is mainly introduced the CNS 303Se chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of CNS 303Se,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
CNS standard stainless steel austenite size
  • Steel Garde:CNS 303Se
  • Type:Special Alloy
  • Country:China
  • Standard:CNS
  • Application:CNS standard stainless steel austenite size

Cross Reference Table(Equivalent Materials):

Material Standard Country
STS303Se KS Korea
CNS 303Se CNS China
CNS 303Se CNS China

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength 935~253 σb/MPa
Yield Strength 801 σ 0.2 ≥/MPa
Elongation 74 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 512~953 -
HRC 30 -

Physical Properties

Thermal expansion 71-90 e-6/K
Thermal conductivity 90-41 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 5759-1005 째C
Density 9047-6945 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 303Se 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