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

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AISI S21900

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

Austenitic Chromium Manganese Nickel Stainless Steel

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 879~792 σb/MPa
Yield Strength 541 σ 0.2 ≥/MPa
Elongation 96 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 370~944 -
HRC 30 -

Physical Properties

Thermal expansion 44-43 e-6/K
Thermal conductivity 94-73 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 6916-8696 째C
Density 8660-5307 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)
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