Stellite SF20 Tool Die Steels

Stellite SF20 - Specification & Application

Stellite alloy

Chemical composition(wt.%) of Stellite SF20 grade:

Elements Min.(≥) Max.(≤) Similar Remarks
C - 1.50
Si - 3.00
Mn - -
Cr - 19.00
Ni - 13.00
Mo - -
Co remaining -
W - 15.00
Fe - -
B - 3.00

Stellite SF20 - Detail

Stellite alloy

Mechanical properties of grade Stellite SF20

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)
683 (≥) 567 (≥) 43 31 32 Solution and Aging, Annealing, Ausaging, Q+T,etc 411

Physical properties of grade Stellite SF20

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
339 (≥) 243 (≥) 13 12 44 Solution and Aging, Annealing, Ausaging, Q+T,etc 133
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
817 474 514

Equivalent Grade

Equivalent Products

We can customize the production of Stellite SF20 grade, contact us for the best solution.
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