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

JIS SUS 321 TPY

Profile

This page is mainly introduced the SUS 321 TPY chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of SUS 321 TPY,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
Large diameter welded stainless steel pipes

Chemical composition(mass fraction)(wt.%)

Elements Min.(≥) Max.(≤) Similar Remarks
C   0.08
Si   1.00
Mn   2.00
P   0.045
S   0.03
Cr 17.00  19.00
Ni 9.00  13.00
Mo  
N  
Ti 5×C% 

Mechanical Properties

Tensile strength 719~587 σb/MPa
Yield Strength 536 σ 0.2 ≥/MPa
Elongation 42 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 897~215 -
HRC 30 -

Physical Properties

Thermal expansion 55-36 e-6/K
Thermal conductivity 42-89 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 7393-6527 째C
Density 2820-1919 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 321 TPY 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