A 814 S21900 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of A 814 S21900

SAE A 814 S21900

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This page is mainly introduced the A 814 S21900 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of A 814 S21900,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.

Cold-Worked Welded Austenitic Stainless Steel Pipe

Chemical composition(mass fraction)(wt.%)

Elements Min.(≥) Max.(≤) Similar Remarks
C   0.08
Mn 8.00  10.00
Si   1.00
P   0.06
S   0.03
Cr 19.00  21.50
Ni 5.50  7.50
Mo  
N 0.15  0.40

Mechanical Properties

Tensile strength 751~369 σb/MPa
Yield Strength 107 σ 0.2 ≥/MPa
Elongation 30 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 110~730 -
HRC 30 -

Physical Properties

Thermal expansion 53-73 e-6/K
Thermal conductivity 27-61 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 1849-4318 째C
Density 2925-9644 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 814 S21900 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