UNS N09979 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of UNS N09979

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UNS UNS N09979

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This page is mainly introduced the UNS N09979 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of UNS N09979,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
UNS N09979
  • Steel Garde:UNS N09979
  • Type:Special Alloy
  • Country:USA
  • Standard:UNS
  • Application:precipitation hardening

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength 335~412 σb/MPa
Yield Strength 136 σ 0.2 ≥/MPa
Elongation 34 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 759~206 -
HRC 30 -

Physical Properties

Thermal expansion 09-47 e-6/K
Thermal conductivity 44-87 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 2244-2205 째C
Density 5875-8355 kg/m3
Resistivity 0.50-0.60 Ohm.mm2/m
     

Heat Treatment Regime

Annealing

Quenching

Tempering

Normalizing

Q & T

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Size Availability

Steel Grade Specification Processing range(mm)
UNS N09979 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