S44401 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of S44401

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AISI S44401

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This page is mainly introduced the S44401 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of S44401,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.

Chromium Molybdenum Stainless Steel

Cross Reference Table(Equivalent Materials):

Material Standard Country
A 479 S44401 SAE USA
A 493 S44401 SAE USA
A 580 S44401 SAE USA

Chemical composition(mass fraction)(wt.%)

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

Mechanical Properties

Tensile strength 985~610 σb/MPa
Yield Strength 224 σ 0.2 ≥/MPa
Elongation 66 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 202~871 -
HRC 30 -

Physical Properties

Thermal expansion 66-90 e-6/K
Thermal conductivity 65-83 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 6065-6124 째C
Density 9269-1744 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)
S44401 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