S20400 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of S20400

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AISI S20400

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This page is mainly introduced the S20400 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of S20400,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
S20400

Chemical composition(mass fraction)(wt.%)

Elements Min.(≥) Max.(≤) Similar Remarks
C   0.030
Si   1.00
Mn 7.00  9.00
P   0.04
S   0.03
Cr 15.0  17.0
Ni 1.50  3.00
N 0.15  0.30

Mechanical Properties

Tensile strength 930~365 σb/MPa
Yield Strength 549 σ 0.2 ≥/MPa
Elongation 43 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 753~868 -
HRC 30 -

Physical Properties

Thermal expansion 22-16 e-6/K
Thermal conductivity 71-88 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 3253-1874 째C
Density 3134-5867 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)
S20400 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

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