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

JIS SUS 321HTP

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

Chemical composition(mass fraction)(wt.%)

Elements Min.(≥) Max.(≤) Similar Remarks
C 0.04  0.10
Si   0.75
Mn   2.00
P   0.03
S   0.03
Cr 17.00  20.00
Ni 9.00  13.00
Mo 9.00  13.00
Ti 4×C%  0.60

Mechanical Properties

Tensile strength 656~298 σb/MPa
Yield Strength 995 σ 0.2 ≥/MPa
Elongation 98 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 838~969 -
HRC 30 -

Physical Properties

Thermal expansion 33-46 e-6/K
Thermal conductivity 52-72 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 7762-1488 째C
Density 3518-1459 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 321HTP 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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