Stellite 158 Tool Die Steels

Stellite 158 - Specification & Application

Stellite alloy

Chemical composition(wt.%) of Stellite 158 grade:

Elements Min.(≥) Max.(≤) Similar Remarks
C - 0.75
Si - 1.20
Mn - 1.00
Cr - 26.00
Ni - 3.00
Mo - 1.00
Co remaining -
W - 5.50
Fe - 2.00
B - 0.70

Stellite 158 - Detail

Stellite alloy

Mechanical properties of grade Stellite 158

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)
786 (≥) 911 (≥) 31 44 22 Solution and Aging, Annealing, Ausaging, Q+T,etc 432

Physical properties of grade Stellite 158

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
594 (≥) 865 (≥) 34 41 14 Solution and Aging, Annealing, Ausaging, Q+T,etc 441
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
811 976 494

Equivalent Grade

Equivalent Products

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