ASTM 1A chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of ASTM 1A

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AISI ASTM 1A

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This page is mainly introduced the ASTM 1A chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of ASTM 1A,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
ASTM 1A
  • Steel Garde:ASTM 1A
  • Type:Special Alloy
  • Country:USA
  • Standard:AISI
  • Application:

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength 254~178 σb/MPa
Yield Strength 736 σ 0.2 ≥/MPa
Elongation 11 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 734~598 -
HRC 30 -

Physical Properties

Thermal expansion 71-79 e-6/K
Thermal conductivity 76-48 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 5650-2616 째C
Density 1603-8048 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 1A 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