ASTM 12Q chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of ASTM 12Q

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AISI ASTM 12Q

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This page is mainly introduced the ASTM 12Q chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of ASTM 12Q,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
ASTM 12Q
  • Steel Garde:ASTM 12Q
  • Type:Special Alloy
  • Country:USA
  • Standard:AISI
  • Application:

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength 203~176 σb/MPa
Yield Strength 131 σ 0.2 ≥/MPa
Elongation 94 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 150~500 -
HRC 30 -

Physical Properties

Thermal expansion 55-67 e-6/K
Thermal conductivity 12-80 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 1162-3759 째C
Density 9192-2122 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 12Q 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