Stellite 31 Tool Die Steels

Stellite 31 - Specification & Application

Stellite alloy

Chemical composition(wt.%) of Stellite 31 grade:

Elements Min.(≥) Max.(≤) Similar Remarks
C 0.45 0.55
Si - 1.00
Mn - 1.00
Cr 24.50 26.50
Ni 9.50 11.50
Mo - -
Co remaining -
W 7.00 8.00
Fe - 2.00

Stellite 31 - Detail

Stellite alloy

Mechanical properties of grade Stellite 31

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)
328 (≥) 593 (≥) 21 11 24 Solution and Aging, Annealing, Ausaging, Q+T,etc 433

Physical properties of grade Stellite 31

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
846 (≥) 862 (≥) 31 23 23 Solution and Aging, Annealing, Ausaging, Q+T,etc 134
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
557 474 393

Equivalent Grade

Equivalent Products

We can customize the production of Stellite 31 grade, contact us for the best solution.
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