N07718 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of N07718

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UNS N07718

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This page is mainly introduced the N07718 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of N07718,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
Ni-Cr Alloy Precipitation Hardenable
  • Steel Garde:N07718
  • Type:Superalloys
  • Country:USA
  • Standard:UNS
  • Application:Ni-Cr Alloy Precipitation Hardenable

Chemical composition(mass fraction)(wt.%)

Elements Min.(≥) Max.(≤)
C   0.03
Cr 17.0  21.0
Mo 2.80  3.30
Ni 50.0  55.0
Al 0.20  0.60
Nb 4.75  5.50
Fe   Bal
Si   0.35
Mn   0.35
P   0.015
S   0.015
B   0.006

Mechanical Properties

Tensile strength 339~520 σb/MPa
Yield Strength 166 σ 0.2 ≥/MPa
Elongation 38 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 780~887 -
HRC 30 -

Physical Properties

Thermal expansion 74-80 e-6/K
Thermal conductivity 39-39 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 9097-6429 째C
Density 0390-3000 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)
N07718 Superalloys 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

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