SA-479 S31803 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of SA-479 S31803

AMS SA-479 S31803

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This page is mainly introduced the SA-479 S31803 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of SA-479 S31803,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
Specification for Stainless Steel Bars and Shapes for Use in Boilers and Other Pressure Vessels

Chemical composition(mass fraction)(wt.%)

Elements Min.(≥) Max.(≤) Similar Remarks
C   0.03
Mn   2.00
Si   1.00
P   0.03
S   0.02
Cr 21.00  23.00
Ni 4.50  6.50
Mo 2.50  3.50
N 0.08  0.20

Mechanical Properties

Tensile strength 810~032 σb/MPa
Yield Strength 488 σ 0.2 ≥/MPa
Elongation 87 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 896~098 -
HRC 30 -

Physical Properties

Thermal expansion 36-72 e-6/K
Thermal conductivity 44-28 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 9351-4429 째C
Density 0837-5806 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)
SA-479 S31803 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