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

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AISI ASTM A

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

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength 078~637 σb/MPa
Yield Strength 348 σ 0.2 ≥/MPa
Elongation 18 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 967~093 -
HRC 30 -

Physical Properties

Thermal expansion 84-19 e-6/K
Thermal conductivity 33-15 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 2236-7856 째C
Density 6390-6763 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)
ASTM A 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