A30424 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of A30424

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GBT A30424

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This page is mainly introduced the A30424 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of A30424,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
A30424
  • Steel Garde:A30424
  • Type:Special Alloy
  • Country:China
  • Standard:GBT
  • Application:China structural steel and alloy steel

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength 775~729 σb/MPa
Yield Strength 855 σ 0.2 ≥/MPa
Elongation 62 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 227~686 -
HRC 30 -

Physical Properties

Thermal expansion 17-02 e-6/K
Thermal conductivity 59-35 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 0032-3036 째C
Density 7618-8279 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)
A30424 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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