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B 670 N07718

Description

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

Datasheet for: Steel Grades:Superalloys: B 670 N07718
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

Chemical composition(mass fraction)(wt.%) of the B 670 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 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)
552 (≥) 155 (≥) 43 21 11 Solution and Aging, Annealing, Ausaging, Q+T,etc 341

Physical Properties of steel grade B 670 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
13 - -     0.24 -  
247 986 - 12.3 314   -  
813 - 13 12.2   414 333

Heat Treatment of steel grade B 670 N07718

Heat treated : 1163°C - 1197°C

Technological Curves of steel grade B 670 N07718

Cross Reference Table (Equivalent Grade) of B 670 N07718

Grade Standard Country Application
NiCr19Fe19Nb5Mo3

Relevant standard of B 670 N07718

B 670 (2007) Precipitation-Hardening Nickel Alloy (UNS N07718) Plate, Sheet, and Strip for High-Temperature Service B-670-(2007).pdf

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