A 479 S21800 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of A 479 S21800

SAE A 479 S21800

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This page is mainly introduced the A 479 S21800 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of A 479 S21800,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.

Stainless Steel Bars and Shapes for Use in Boilers and Other Pressure Vessels

  • Steel Garde:A 479 S21800
  • Type:Stainless Steels
  • Country:USA
  • Standard:SAE
  • Standard Number:
    ITEM Standard Number Descriptions
    1 A 479/A 479M (2013) Stainless Steel Bars and Shapes for Use in Boilers and Other Pressure Vessels
  • Metallographic Structure:Austenite
  • Application:Stainless Steel Bars and Shapes for Use in Boilers and Other Pressure Vessels

Chemical composition(mass fraction)(wt.%)

Elements Min.(≥) Max.(≤) Similar Remarks
C   0.10
Mn 7.00  9.00
Si 3.50  4.50
P   0.04
S   0.03
Cr 16.00  18.00
Ni 8.00  9.00
Mo  
N 0.08  0.18

Mechanical Properties

Tensile strength 737~866 σb/MPa
Yield Strength 415 σ 0.2 ≥/MPa
Elongation 79 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 944~249 -
HRC 30 -

Physical Properties

Thermal expansion 26-90 e-6/K
Thermal conductivity 70-04 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 0261-5492 째C
Density 0107-9007 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)
A 479 S21800 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