Special Metals INCONEL Alloy 617


Subcategory: Metal; Nickel Base; Superalloy

Key Words: UNS N06617; ASME SB-166, Boiler Code Sections I, VIII; AMS 5887, AMS 5888, AMS 5889; ASTM B166

Component   Wt. %
Al0.8 - 1.5 
BMax 0.006 
C0.05 - 0.15 
Co10 - 15 
Cr20 - 24 
Component   Wt. %
CuMax 0.5 
FeMax 3 
MnMax 1 
Mo8 - 10 
Component   Wt. %
NiMin 44.5 
SMax 0.015 
SiMax 1 
TiMax 0.6 

Material Notes:
A nickel-chromium-cobalt-molybdenum alloy with an exceptional combination of metallurgical stability, strength, and oxidation resistance at high temperatures. Resistance to oxidation is enhanced by an aluminum addition. The alloy also resists a wide range of corrosive aqueous environments. Used in gas turbines for combustion cans, ducting, and transition liners; for petrochemical processing; for heat-treating equipment; and in nitric acid production. Standard product forms are round, forging stock, extruded section, plate, sheet, strip, pipe, tube, and wire.

Data provided by the manufacturer, Special Metals.

Physical PropertiesMetricEnglishComments
Density8.36 g/cc0.302 lb/in 

Mechanical Properties
Tensile Strength, Ultimate710 MPa103000 psi Solution Annealed. Value at room temperature.
Tensile Strength, Ultimate at Elevated Temperature570 MPa82700 psi Solution Annealed prior to test; 650C
Tensile Strength, Yield340 MPa49300 psi Solution Annealed. Value at room temperature; 0.2% offset.
Tensile Strength, Yield at Elevated Temperature220 MPa31900 psi Solution Annealed prior to test; 0.2% offset; 650C
Elongation at Break62 %62 % Solution Annealed
Elongation at Break at Elevated Temperature50 %50 % Solution Annealed prior to test.; 650C

Electrical Properties
Electrical Resistivity0.000122 ohm-cm0.000122 ohm-cm 

Thermal Properties
CTE, linear 20C11.6 m/m-C6.44 in/in-F 20-100C
Specific Heat Capacity0.419 J/g-C0.1 BTU/lb-F 
Thermal Conductivity13.6 W/m-K94.4 BTU-in/hr-ft-F 
Melting Point1330 - 1380 C2430 - 2520 F 
Solidus1330 C2430 F 
Liquidus1380 C2520 F 


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