444 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 444

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AS 444

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This page is mainly introduced the 444 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 444,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
444
  • Steel Garde:444
  • Type:Special Alloy
  • Country:Australia
  • Standard:AS
  • Application:Australia Stainless steel

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength 626~900 σb/MPa
Yield Strength 691 σ 0.2 ≥/MPa
Elongation 57 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 474~176 -
HRC 30 -

Physical Properties

Thermal expansion 86-80 e-6/K
Thermal conductivity 80-80 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 0610-3902 째C
Density 6179-7669 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)
444 Special Alloy 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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