STS321TP chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of STS321TP

KS STS321TP

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This page is mainly introduced the STS321TP chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of STS321TP,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
Stainless lined steel pipe

Chemical composition(mass fraction)(wt.%)

Elements Min.(≥) Max.(≤) Similar Remarks
C   0.08
Si   1.00
Mn   2.00
P   0.045
S   0.030
Cr 17.00  19.00
Ni 9.00  13.00
Mo  
N  
Ti 5×C% 

Mechanical Properties

Tensile strength 891~425 σb/MPa
Yield Strength 580 σ 0.2 ≥/MPa
Elongation 05 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 197~364 -
HRC 30 -

Physical Properties

Thermal expansion 43-67 e-6/K
Thermal conductivity 02-63 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 5399-7215 째C
Density 1973-3580 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)
STS321TP 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