KSUS321 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of KSUS321

Location » Home » Grades > Stainless Steels > KSUS321

NKK KSUS321

Profile

This page is mainly introduced the KSUS321 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of KSUS321,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
Rolled Stainless Steels

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 863~311 σb/MPa
Yield Strength 608 σ 0.2 ≥/MPa
Elongation 93 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 111~696 -
HRC 30 -

Physical Properties

Thermal expansion 72-13 e-6/K
Thermal conductivity 54-09 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 8652-7419 째C
Density 0342-0028 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)
KSUS321 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