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   1.00
P   0.045
S   0.03
Cr 18.00  20.00
Ni 13.50  17.50
Mo 4.00  5.00
N   0.10

Mechanical Properties

Tensile strength 764~313 σb/MPa
Yield Strength 810 σ 0.2 ≥/MPa
Elongation 04 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 111~045 -
HRC 30 -

Physical Properties

Thermal expansion 71-17 e-6/K
Thermal conductivity 73-05 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 6284-2301 째C
Density 6271-6374 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