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CNS 321 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of CNS 321

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CNS CNS 321

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This page is mainly introduced the CNS 321 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of CNS 321,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 321
  • Type:Special Alloy
  • Country:China
  • Standard:CNS
  • Application:CNS standard stainless steel austenite size

Relevant products:

  • S32168/321/S32100/1-4541 Tube

    S32168/321/S32100/1-4541 Tube

  • S32169/321H/S32109/1-4940 Tube

    S32169/321H/S32109/1-4940 Tube

    • Cross Reference Table(Equivalent Materials):

    Material Standard Country
    SUS321FB JIS Japan
    SUS321HFB JIS Japan
    SUS321LTP JIS Japan
    SUS321HTP JIS Japan
    SUS321TKA JIS Japan
    321S31 UK
    321S51(1010) UK
    321S51(1105) UK
    321S31 UK
    A35-586 321F20 AFNOR France
    STS321 KS Korea
    STS321 KS Korea
    STS321TKA KS Korea
    SS 2321 SS Sweden
    S32168 GBT China
    S32169 GBT China
    E8321 UNE Spain
    411321 CSN Czech Republic
    11321 CSN Czech Republic
    05 5321 CSN Czech Republic
    321 AS Australia
    321 AS Australia
    CNS 321 CNS China
    CNS 321 CNS China
    321TKA CNS China
    CNS 321 CNS China
    NS321 GBT China

    Chemical composition(mass fraction)(wt.%)

    Mechanical Properties

    Tensile strength 565～342 σb/MPa
    Yield Strength 593 σ 0.2 ≥/MPa
    Elongation 35 δ5≥(％)
    ψ - ψ≥(％)
    Akv - Akv≥/J
    HBS 697～045 -
    HRC 30 -

    Physical Properties

    Thermal expansion 63-81 e-6/K
    Thermal conductivity 14-42 W/m.K
    Specific heat 450-460 J/kg.K
    Melting temperature 4272-3659 째C
    Density 5295-4069 kg/m3
    Resistivity 0.50-0.60 Ohm.mm2/m
         

    Heat Treatment Regime

    Annealing

    Quenching

    Tempering

    Normalizing

    Q & T

    √

    √

    √

    √

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    Size Availability

    Steel Grade Specification Processing range(mm)
    CNS 321 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

    CNS CNS 321 PDF
    CNS CNS 321 Word
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