B 637 N07750 Type 1 Superalloys to B 637 (2012)

B 637 N07750 Type 1 - Specification & Application

  • B 637 (2012) - Precipitation-Hardening and Cold Worked Nickel Alloy Bars, Forgings, and Forging Stock for Moderate or High Temperature Service

Precipitation-Hardening and Cold Worked Nickel Alloy Bars, Forgings, and Forging Stock for Moderate or High Temperature Service

Chemical composition(wt.%) of B 637 N07750 Type 1 grade: to B 637 (2012)

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

B 637 N07750 Type 1 - Detail

N07750, Precipitation-Hardening and Cold Worked Nickel Alloy Bars, Forgings, and Forging Stock for Moderate or High Temperature Service

Mechanical properties of grade B 637 N07750 Type 1 B 637 (2012)

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)
415 (≥) 718 (≥) 21 22 13 Solution and Aging, Annealing, Ausaging, Q+T,etc 112

Physical properties of grade B 637 N07750 Type 1 B 637 (2012)

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
363 (≥) 151 (≥) 21 33 32 Solution and Aging, Annealing, Ausaging, Q+T,etc 113
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
814 652 687

Equivalent Products

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