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 348~368 σb/MPa
Yield Strength 116 σ 0.2 ≥/MPa
Elongation 14 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 475~220 -
HRC 30 -

Physical Properties

Thermal expansion 82-93 e-6/K
Thermal conductivity 47-20 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 4296-1124 째C
Density 9142-7589 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