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 893~382 σb/MPa
Yield Strength 194 σ 0.2 ≥/MPa
Elongation 92 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 313~247 -
HRC 30 -

Physical Properties

Thermal expansion 14-24 e-6/K
Thermal conductivity 56-04 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 5804-8930 째C
Density 1198-3306 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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