CQ-15 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of CQ-15

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AISI CQ-15

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This page is mainly introduced the CQ-15 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of CQ-15,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
CQ-15
Density / (g/cm ^ 3) : 14.00
Hardness HRC: 88.0
σ bb/MPa: 2740
Grain size/μ m: 1 ~ 2
Use for example: in the medium and severe impact conditions of use
  • Steel Garde:CQ-15
  • Type:Special Alloy
  • Country:USA
  • Standard:AISI
  • Application:W-Co class carbide

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength 410~960 σb/MPa
Yield Strength 621 σ 0.2 ≥/MPa
Elongation 59 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 473~425 -
HRC 30 -

Physical Properties

Thermal expansion 18-21 e-6/K
Thermal conductivity 52-39 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 0973-3074 째C
Density 4716-7098 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)
CQ-15 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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