A2 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of A2

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ASTM A2

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This page is mainly introduced the A2 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of A2,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
A2
  • Steel Garde:A2
  • Type:Special Alloy
  • Country:USA
  • Standard:ASTM
  • Application:Alloy tool steel

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength 321~760 σb/MPa
Yield Strength 338 σ 0.2 ≥/MPa
Elongation 95 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 988~933 -
HRC 30 -

Physical Properties

Thermal expansion 64-55 e-6/K
Thermal conductivity 02-43 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 1244-8320 째C
Density 2043-5714 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)
A2 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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