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

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AISI AISI 680

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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 594~953 σb/MPa
Yield Strength 779 σ 0.2 ≥/MPa
Elongation 28 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 806~964 -
HRC 30 -

Physical Properties

Thermal expansion 98-39 e-6/K
Thermal conductivity 08-52 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 7896-3712 째C
Density 6665-5595 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