S31725 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of S31725

Location » Home » Grades > Stainless Steels > S31725

AISI S31725

Profile

This page is mainly introduced the S31725 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of S31725,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
Austenitic Chromium Nickel Molybdenum Stainless Steel

Chemical composition(mass fraction)(wt.%)

Elements Min.(≥) Max.(≤) Similar Remarks
C   0.03
Mn   2.00
Si   0.75
P   0.045
S   0.03
Cr 18.00  20.00
Ni 13.50  17.50
Mo 4.00  5.00
Cu   0.75
N   0.10

Mechanical Properties

Tensile strength 648~861 σb/MPa
Yield Strength 260 σ 0.2 ≥/MPa
Elongation 16 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 246~822 -
HRC 30 -

Physical Properties

Thermal expansion 22-84 e-6/K
Thermal conductivity 03-74 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 5535-9067 째C
Density 9560-5293 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)
S31725 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