D-979 Stainless Steels to SAE J 467 (1968)

D-979 - Specification & Application

  • SAE J 467 (1968) - Special Purpose Alloys ("Superalloys")

Special Purpose Alloys ("Superalloys")

Chemical composition(wt.%) of D-979 grade: to SAE J 467 (1968)

Elements Min.(≥) Max.(≤) Similar Remarks
C - 0.06
Si - 0.20
Mn - 0.25
P - -
S - -
Ni - 44.30
Cr - 14.9
Al - 1.05
Cu - -
Ti - 3.00
Fe - remaining
Mo - 4.05
Co - -
W - 3.65
B - 0.01

D-979 - Detail

Special Purpose Alloys ("Superalloys")

Mechanical properties of grade D-979 SAE J 467 (1968)

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)
358 (≥) 547 (≥) 31 22 44 Solution and Aging, Annealing, Ausaging, Q+T,etc 312

Physical properties of grade D-979 SAE J 467 (1968)

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
169 (≥) 514 (≥) 44 22 12 Solution and Aging, Annealing, Ausaging, Q+T,etc 132
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
777 411 246

Equivalent Grade

Equivalent Products

We can customize the production of D-979 grade, contact us for the best solution.
sales@specificsteel.com