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

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AISI S21800

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

Chemical composition(mass fraction)(wt.%)

Elements Min.(≥) Max.(≤) Similar Remarks
C   0.10
Si 3.50  4.50
Mn 7.00  9.00
P   0.04
S   0.03
Cr 16.0  18.0
Ni 8.00  9.00
N 0.08  0.18

Mechanical Properties

Tensile strength 168~418 σb/MPa
Yield Strength 184 σ 0.2 ≥/MPa
Elongation 68 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 288~059 -
HRC 30 -

Physical Properties

Thermal expansion 33-62 e-6/K
Thermal conductivity 61-50 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 3772-5337 째C
Density 0436-8475 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)
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