N07750 Superalloys

N07750 - Specification & Application

Ni-Cr Alloy Precipitation Hardenable

Chemical composition(wt.%) of N07750 grade:

Elements Min.(≥) Max.(≤) Similar Remarks
C - 0.08
Mn - 1.0
Si - 0.5
S - 0.01
P - 0.015
Cu - 0.5
Fe 5.0 9.0
Co - 1.0
Nb 0.70 1.20
Cr 14.0 17.0
Ni 70 -
Al 0.40 1.00
Ti 2.25 2.75

N07750 - Detail

N07750, High-temperature resisting material

Mechanical properties of grade N07750

Proof strength
Rp0.2 (MPa)
Tensile strength
Rm (MPa)
Impact energy
KV (J)
Elongation at fracture
A (%)
Reduction in cross section on fracture
Z (%)
As-Heat-Treated Condition Brinell hardness (HBW)
615 (≥) 853 (≥) 32 32 34 Solution and Aging, Annealing, Ausaging, Q+T,etc 322

Physical properties of grade N07750

Property Density
kg/dm3
Temperature T
°C/F
Specific heat
J / kgK
Thermal conductivity
W/mK
Electric resistance
µΩ·cm
Modulus of elasticity
kN/mm2
Expansion rate
683 (≥) 989 (≥) 21 43 24 Solution and Aging, Annealing, Ausaging, Q+T,etc 313
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
271 146 213

Equivalent Products

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