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China GB NW7080 镍及镍合金锻件 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: NW7080 / NW7080
Category Grade Standard Region/Area Standard Content
Metals NW7080 GB/T 26030 China 镍及镍合金锻件

Chemical composition(mass fraction)(wt.%) of the NW7080

Element Min Max Similar
Ti 1.8000 2.7000 -
Si - 1.0000 -
S - 0.0150 -
Pb - 0.0020 -
Ni - - -
Mn - 1.0000 -
Fe - 1.5000 -
Cu - 0.2000 -
Cr 18.0000 21.0000 -
Co - 2.0000 -
C 0.0400 0.1000 -
Bi - 0.0001 -
B - 0.0080 -
Al 1.0000 1.8000 -
Ag - 0.0005 -

Mechanical Properties of steel grade NW7080

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)
266 (≥) 664 (≥) 22 12 12 Solution and Aging, Annealing, Ausaging, Q+T,etc 133

Physical Properties of steel grade NW7080

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
41 - -     0.44 -  
813 937 - 24.3 442   -  
134 - 32 13.2   442 311

Heat Treatment of steel grade NW7080

Heat treated : 1663°C - 1133°C

Technological Curves of steel grade NW7080

Cross Reference Table (Equivalent Grade) of NW7080

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