X5NiCrMoCuNb22-18 Stainless Steels

X5NiCrMoCuNb22-18 - Specification & Application

X5NiCrMoCuNb22-18

Chemical composition(wt.%) of X5NiCrMoCuNb22-18 grade:

Elements Min.(≥) Max.(≤) Similar Remarks
C - 0.07
Si - 1.00
Mn - 2.00
P - 0.045
S - 0.030
Cr 21.5 23.5
Ni 21.5 23.5
Mo 3.00 3.50
Cu 1.50 2.00
Nb 8×C%① -

X5NiCrMoCuNb22-18 - Detail

X5NiCrMoCuNb22-18

Mechanical properties of grade X5NiCrMoCuNb22-18

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)
461 (≥) 841 (≥) 42 13 11 Solution and Aging, Annealing, Ausaging, Q+T,etc 412

Physical properties of grade X5NiCrMoCuNb22-18

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
647 (≥) 122 (≥) 43 13 12 Solution and Aging, Annealing, Ausaging, Q+T,etc 444
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
835 979 754
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