AISI 661 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of AISI 661

Location » Home » Grades > Special Alloy > AISI 661

AISI AISI 661

Profile

This page is mainly introduced the AISI 661 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of AISI 661,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
AISI 661
  • Steel Garde:AISI 661
  • Type:Special Alloy
  • Country:USA
  • Standard:AISI
  • Application:precipitation hardening

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength 709~780 σb/MPa
Yield Strength 183 σ 0.2 ≥/MPa
Elongation 60 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 014~022 -
HRC 30 -

Physical Properties

Thermal expansion 89-01 e-6/K
Thermal conductivity 53-50 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 8577-9613 째C
Density 2954-7245 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 661 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