MAR-M 322 Stainless Steels to SAE J 467 (1968)

MAR-M 322 - Specification & Application

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

Special Purpose Alloys ("Superalloys")

Chemical composition(wt.%) of MAR-M 322 grade: to SAE J 467 (1968)

Elements Min.(≥) Max.(≤) Similar Remarks
C - 1.00
Si - 0.10
Mn - 0.10
Cr - 21.50
Ni - -
Mo - -
Co - remaining
W - 9.00
Al - -
Cu - -
Ti - 0.75
Fe - 0.75
Ta - 4.50
Zr - 2.25

MAR-M 322 - Detail

Special Purpose Alloys ("Superalloys")

Mechanical properties of grade MAR-M 322 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)
655 (≥) 418 (≥) 41 34 23 Solution and Aging, Annealing, Ausaging, Q+T,etc 124

Physical properties of grade MAR-M 322 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
369 (≥) 613 (≥) 33 24 13 Solution and Aging, Annealing, Ausaging, Q+T,etc 443
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
272 888 435

Equivalent Grade

Equivalent Products

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