400 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 400

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AS 400

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This page is mainly introduced the 400 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 400,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
400
  • Steel Garde:400
  • Type:Special Alloy
  • Country:Australia
  • Standard:AS
  • Application:Australia Structural steel

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength 047~569 σb/MPa
Yield Strength 442 σ 0.2 ≥/MPa
Elongation 52 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 650~974 -
HRC 30 -

Physical Properties

Thermal expansion 30-28 e-6/K
Thermal conductivity 13-17 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 0489-1732 째C
Density 1753-7254 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)
400 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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