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There are more than 2,500 standardized types of steel worldwide, which differ in their composition, manufacturing and post-treatment processes and therefore also in their intended use. Almost 400 of these materials are also produced in our rolling mills. Finding your way around often costs time and nerves.
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2.4663 - NiCr23Co12Mo - N06617

Property Value
EN 2.4663
Short Name NiCr23Co12Mo
UNS N06617
Common Designations Alloy 617
Typical Applications Nickel-chromium-cobalt-molybdenum alloy for gas turbines, combustors, air heaters, furnace parts and radiant tubes, high-temperature heat exchangers, gas-cooled high-temperature reactors, components for plants in the chemical process industry and the petrochemical industry
Applicable Standards DIN 17744; DIN 17752; EN 10302; DIN 17744; VdTÜV material sheet 485; ASTM B166; ASME SB-166; AMS 5887
C 0,05-0,10
Si max. 0,20
Mn max. 0,20
P max. 0,010
S max. 0,010
Cr 20,0-23,0
Ni Rest
Mo 8,5-10,0
Cu max. 0,50
Al 0,70-1,40
Co 11,0-14,0
Ti 0,20-0,60
B max. 0,006
Fe max. 2,00
Analysis Note acc. to EN 10302
Density [kg/dm³] 8,40
Electrical Resistance at 20°C [Ohm*mm²/m] 1,22
Thermal Conductivity at 20°C [W/m*K] 13,4
Mc Thermal Expansion [10⁻⁶ * K⁻¹] 20-200 °C: 12,6 / 20-400 °C: 13,6 / 20-600 °C: 14,0
Typical Heat Treatment solution annealed
Typical Tensile Strength [MPa] min. 690
Category Chemical industry
Energy technology
Datasheet (PDF)