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

JIS SUS 321HFB

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This page is mainly introduced the SUS 321HFB chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of SUS 321HFB,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
Stainless steel blooms and billets for forgings
  • Steel Garde:SUS 321HFB
  • Type:Stainless Steels
  • Country:Japan
  • Standard:JIS
  • Standard Number:
    ITEM Standard Number Descriptions
    1 G 4319 (1991) Stainless steel blooms and billets for forgings
  • Metallographic Structure:Austenite
  • Application:Stainless steel blooms and billets for forgings

Chemical composition(mass fraction)(wt.%)

Elements Min.(≥) Max.(≤) Similar Remarks
C 0.04  0.10
Si   1.00
Mn   2.00
P   0.045
S   0.03
Cr 17.00  20.00
Ni 9.00  13.00
Mo  
Ti 4×C%  0.60

Mechanical Properties

Tensile strength 047~831 σb/MPa
Yield Strength 082 σ 0.2 ≥/MPa
Elongation 47 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 635~847 -
HRC 30 -

Physical Properties

Thermal expansion 76-35 e-6/K
Thermal conductivity 63-57 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 3827-2841 째C
Density 4752-3836 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)
SUS 321HFB Stainless Steels 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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