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Description

USA UNS N07718 Superalloys Ni-Cr Alloy Precipitation Hardenable and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Superalloys: N07718
Category Class Grade Standard Country Application
Steel GradesSuperalloys N07718 UNS USA Ni-Cr Alloy Precipitation Hardenable

Chemical composition(mass fraction)(wt.%) of the N07718

C Cr Mo Ni Al Nb Fe Si Mn P S B
≤0.03 17.0 -21.0 2.80 -3.30 50.0 -55.0 0.20 -0.60 4.75 -5.50 ≤Bal ≤0.35 ≤0.35 ≤0.015 ≤0.015 ≤0.006

Mechanical Properties of steel grade N07718

Yield
Rp0.2 (MPa)
Tensile
Rm (MPa)
Impact
KV/Ku (J)
Elongation
A (%)
Reduction in cross section on fracture
Z (%)
As-Heat-Treated Condition Brinell hardness (HBW)
943 (≥) 481 (≥) 22 14 21 Solution and Aging, Annealing, Ausaging, Q+T,etc 414

Physical Properties of steel grade N07718

Temperature
(°C)
Modulus of elasticity
(GPa)
Mean coefficient of thermal expansion 10-6/(°C) between 20(°C) and Thermal conductivity
(W/m·°C)
Specific thermal capacity
(J/kg·°C)
Specific electrical resistivity
(Ω mm²/m)
Density
(kg/dm³)
Poisson’s coefficient, ν
32 - -     0.14 -  
244 178 - 21.3 123   -  
559 - 34 23.2   234 342

Heat Treatment of steel grade N07718

Heat treated : 1191°C - 1821°C

Technological Curves of steel grade N07718

Cross Reference Table (Equivalent Grade) of N07718

Grade Standard Country Application
NiCr19Fe19Nb5Mo3

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