A71145 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of A71145

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GBT A71145

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This page is mainly introduced the A71145 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of A71145,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
A71145
  • Steel Garde:A71145
  • Type:Special Alloy
  • Country:China
  • Standard:GBT
  • Application:China structural steel and alloy steel

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength 067~748 σb/MPa
Yield Strength 057 σ 0.2 ≥/MPa
Elongation 26 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 517~127 -
HRC 30 -

Physical Properties

Thermal expansion 77-41 e-6/K
Thermal conductivity 71-40 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 6941-9788 째C
Density 5875-8819 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)
A71145 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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