S44400 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of S44400

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AISI S44400

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This page is mainly introduced the S44400 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of S44400,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.

Ferritic Chromium Molybdenum Stainless Steel (18Cr-2Mo)

Chemical composition(mass fraction)(wt.%)

Elements Min.(≥) Max.(≤) Similar Remarks
C   0.025
Mn   1.00
Si   1.00
P   0.04
S   0.03
Cr 17.50  19.50
Ni   1.00
Mo 1.75  2.50
N   0.035

Mechanical Properties

Tensile strength 957~717 σb/MPa
Yield Strength 682 σ 0.2 ≥/MPa
Elongation 78 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 063~957 -
HRC 30 -

Physical Properties

Thermal expansion 87-89 e-6/K
Thermal conductivity 13-41 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 8518-5499 째C
Density 7712-7860 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)
S44400 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