4620 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 4620

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AS 4620

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This page is mainly introduced the 4620 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 4620,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
4620
  • Steel Garde:4620
  • Type:Special Alloy
  • Country:Australia
  • Standard:AS
  • Application:Australia Structural steel

Cross Reference Table(Equivalent Materials):

Material Standard Country
ICI 4620 AISI USA
4620 H AS Australia

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength 641~535 σb/MPa
Yield Strength 811 σ 0.2 ≥/MPa
Elongation 84 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 622~932 -
HRC 30 -

Physical Properties

Thermal expansion 74-88 e-6/K
Thermal conductivity 50-39 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 4207-2828 째C
Density 4650-0232 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)
4620 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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