Nicrofer 5520 Co B - Alloy 617 B Stainless Steels

Nicrofer 5520 Co B - Alloy 617 B - Specification & Application

Nicrofer 5520 Co B - Alloy 617 B

Chemical composition(wt.%) of Nicrofer 5520 Co B - Alloy 617 B grade:

Elements Min.(≥) Max.(≤) Similar Remarks
Cr 21.0000 23.0000
Fe - 1.5000
C 0.0500 0.0800
Mn - 0.5000
Si - 0.3000
Co 11.0000 13.0000
S - 0.0800
Ti 0.2500 0.5000
Mo 8.0000 10.0000
Nb - 0.6000
P - 0.0120
Al 0.8000 1.3000
V - 0.6000
B 0.0010 0.0050

Nicrofer 5520 Co B - Alloy 617 B - Detail

Nicrofer 5520 Co B - Alloy 617 B

Mechanical properties of grade Nicrofer 5520 Co B - Alloy 617 B

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)
646 (≥) 612 (≥) 21 23 31 Solution and Aging, Annealing, Ausaging, Q+T,etc 314

Physical properties of grade Nicrofer 5520 Co B - Alloy 617 B

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
287 (≥) 311 (≥) 44 44 43 Solution and Aging, Annealing, Ausaging, Q+T,etc 413
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
371 684 837
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