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

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AS 321

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This page is mainly introduced the 321 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 321,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
321
  • Steel Garde:321
  • Type:Special Alloy
  • Country:Australia
  • Standard:AS
  • Application:Australia Stainless steel

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength 411~262 σb/MPa
Yield Strength 099 σ 0.2 ≥/MPa
Elongation 77 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 267~041 -
HRC 30 -

Physical Properties

Thermal expansion 65-52 e-6/K
Thermal conductivity 53-94 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 4725-8303 째C
Density 9756-4848 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)
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

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