B 670 N07718

USA ASTM B 670 (2007) B 670 N07718 Precipitation-Hardening Nickel Alloy (UNS N07718) Plate, Sheet, and Strip for High-Temperature Service and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Category Class Grade Standard Country Application
Steel GradesSuperalloys B 670 N07718 ASTM USA Precipitation-Hardening Nickel Alloy (UNS N07718) Plate, Sheet, and Strip for High-Temperature Service
Datasheet for:Steel Grades:Superalloys:B 670 N07718

Chemical composition(mass fraction)(wt.%) of the B 670 N07718

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 / Mechanische Eigenschaften / Caracteristiques mecaniques of grade B 670 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)
145 (≥) 342 (≥) 14 11 21 Solution and Aging, Annealing, Ausaging, Q+T,etc 141
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
42 - -     0.23 -  
285 318 - 41.3 211   -  
786 - 23 33.2   323 424
Heat treated : 1252°C - 1299°C
The material does not have direct Metallography properties.
Directory is being updated.
The material does not have direct Metallography properties.
Directory is being updated.

Cross Reference Table(Equivalent Grade)

Grade Standard Country Application
2.4668 DIN Germany
Classification and designation for superalloys and high temperature intermetallic materials
NiCr19Fe19Nb5Mo3 DIN Germany
Classification and designation for superalloys and high temperature intermetallic materials
A 1014 N07718 ASTM USA
Standard Specification for Precipitation-Hardening Bolting (UNS N07718) for High Temperature Service
B 637 N07718 ASTM USA
Precipitation-Hardening and Cold Worked Nickel Alloy Bars, Forgings, and Forging Stock for Moderate or High Temperature Service
B 670 N07718 ASTM USA
Precipitation-Hardening Nickel Alloy (UNS N07718) Plate, Sheet, and Strip for High-Temperature Service
B 983 N07718 ASTM USA
Precipitation Hardened or Cold Worked, Seamless Nickel Alloy Pipe and Tube
N07718 UNS USA
Ni-Cr Alloy Precipitation Hardenable
Inconel 718 AMS USA
Nickel Alloy, Corrosion and Heat-Resistant, Seamless Tubing 52.5Ni - 19Cr - 3.0Mo - 5.1Cb (Nb) - 0.90Ti - 0.50Al - 18Fe Consumable Electrode Remelted or Vacuum Induction Melted 1775°F (968°C) Solution Heat Treated
Inconel 718 SAE USA
Nickel Alloy, Corrosion and Heat-Resistant, Seamless Tubing 52.5Ni - 19Cr - 3.0Mo - 5.1Cb (Nb) - 0.90Ti - 0.50Al - 18Fe Consumable Electrode Remelted or Vacuum Induction Melted 1775°F (968°C) Solution Heat Treated

Relevant standard

Standard No. Description Download
B 670 (2007) Precipitation-Hardening Nickel Alloy (UNS N07718) Plate, Sheet, and Strip for High-Temperature Service
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2-4668 NiCr19Fe19Nb5Mo3 N07718