UmCo-50 Stainless Steels to SAE J 467 (1968)

UmCo-50 - Specification & Application

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

Special Purpose Alloys ("Superalloys")

Chemical composition(wt.%) of UmCo-50 grade: to SAE J 467 (1968)

Elements Min.(≥) Max.(≤) Similar Remarks
C - 0.08
Si - 0.75
Mn - 0.65
Cr - 28.00
Ni - -
Mo - -
Co - 50.00
W - -
Al - -
Cu - -
Ti - -
Fe - 20.50

UmCo-50 - Detail

Special Purpose Alloys ("Superalloys")

Mechanical properties of grade UmCo-50 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)
492 (≥) 842 (≥) 34 14 24 Solution and Aging, Annealing, Ausaging, Q+T,etc 131

Physical properties of grade UmCo-50 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
519 (≥) 121 (≥) 23 14 43 Solution and Aging, Annealing, Ausaging, Q+T,etc 334
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
331 518 454

Equivalent Grade

Equivalent Products

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