AISI 660 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of AISI 660

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AISI AISI 660

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This page is mainly introduced the AISI 660 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of AISI 660,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
AISI 660
  • Steel Garde:AISI 660
  • Type:Special Alloy
  • Country:USA
  • Standard:AISI
  • Application:precipitation hardening

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength 654~440 σb/MPa
Yield Strength 416 σ 0.2 ≥/MPa
Elongation 65 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 170~078 -
HRC 30 -

Physical Properties

Thermal expansion 74-18 e-6/K
Thermal conductivity 73-04 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 6874-4792 째C
Density 6362-9051 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)
AISI 660 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