4 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 4

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AS 4

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This page is mainly introduced the 4 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 4,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
4
  • Steel Garde:4
  • Type:Special Alloy
  • Country:Australia
  • Standard:AS
  • Application:Australia Structural steel

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength 102~904 σb/MPa
Yield Strength 760 σ 0.2 ≥/MPa
Elongation 79 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 870~051 -
HRC 30 -

Physical Properties

Thermal expansion 06-33 e-6/K
Thermal conductivity 34-54 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 3653-8124 째C
Density 2034-7007 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)
4 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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