AISI 690 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of AISI 690

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AISI AISI 690

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This page is mainly introduced the AISI 690 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of AISI 690,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
AISI 690
  • Steel Garde:AISI 690
  • Type:Special Alloy
  • Country:USA
  • Standard:AISI
  • Application:precipitation hardening

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength 044~352 σb/MPa
Yield Strength 985 σ 0.2 ≥/MPa
Elongation 55 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 041~690 -
HRC 30 -

Physical Properties

Thermal expansion 60-48 e-6/K
Thermal conductivity 60-00 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 7741-3552 째C
Density 0356-5206 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 690 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