AISI 680 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of AISI 680

Location » Home » Grades > Special Alloy > AISI 680

AISI AISI 680

Profile

This page is mainly introduced the AISI 680 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of AISI 680,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
AISI 680
  • Steel Garde:AISI 680
  • Type:Special Alloy
  • Country:USA
  • Standard:AISI
  • Application:precipitation hardening

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength 643~887 σb/MPa
Yield Strength 325 σ 0.2 ≥/MPa
Elongation 58 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 214~834 -
HRC 30 -

Physical Properties

Thermal expansion 78-49 e-6/K
Thermal conductivity 07-16 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 6646-0040 째C
Density 9500-7893 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 680 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