S66220 Stainless Steels

S66220 - Specification & Application

Iron Base Superalloy

Chemical composition(wt.%) of S66220 grade:

Elements Min.(≥) Max.(≤) Similar Remarks
C - 0.08
Mn - 1.50
Si - 1.00
P - 0.04
S - 0.03
Cr 12.00 15.00
Ni 24.00 28.00
Mo 2.50 3.50

S66220 - Detail

Iron Base Superalloy

Mechanical properties of grade S66220

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)
563 (≥) 666 (≥) 42 22 43 Solution and Aging, Annealing, Ausaging, Q+T,etc 422

Physical properties of grade S66220

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
749 (≥) 659 (≥) 24 24 42 Solution and Aging, Annealing, Ausaging, Q+T,etc 332
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
326 373 521

Equivalent Products

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