Nickel-Cr-Co-Mo Alloy, INCONEL 617, Annealed

INCONEL 617, annealed, Designation

N06617, wrought
UNS number	N06617
US name	ASTM Grade N06617; AMS 5887, 5888, 5889
EN name	NiCr23Co12Mo
EN number	2.4663
ISO name	ISO 9724, 6208, 6207

INCONEL 617, annealed, Tradenames

INCONEL 617, INCONEL FILLER METAL 617	Special Metals Corp. (USA)
NICROFER 5520 Co	ThyssenKrupp VDM (GERMANY)

INCONEL 617, annealed, Typical uses

Aerospace, high temperature applications

INCONEL 617, annealed, Composition detail

Al (aluminum)	0.8	–	1.5	%
C (carbon)	0.05	–	0.15	%
Co (cobalt)	10	–	15	%
Cr (chromium)	20	–	24	%
Cu (copper)	0	–	0.5	%
Fe (iron)	0	–	3	%
Mn (manganese)	0	–	1	%
Mo (molybdenum)	8	–	10	%
Ni (nickel)	43.8	–	61.2	%
S (sulfur)	0	–	0.015	%
Si (silicon)	0	–	1	%

INCONEL 617, annealed, Physical properties

Density

8.25

–

8.45

g/cm³

INCONEL 617, annealed, Mechanical properties

Young’s modulus	205	–	215	GPa
Specific stiffness	24.5	–	25.8	MN.m/kg
Yield strength (elastic limit)	280	–	360	MPa
Tensile strength	660	–	820	MPa
Specific strength	33.5	–	43.1	kN.m/kg
Elongation	50	–	70	% strain
Compressive strength	280	–	360	MPa
Flexural modulus	205	–	215	GPa
Flexural strength (modulus of rupture)	280	–	360	MPa
Shear modulus	77	–	85	GPa
Bulk modulus	155	–	180	GPa
Poisson’s ratio	0.28	–	0.3
Shape factor	29
Hardness – Vickers	170	–	200	HV
Hardness – Rockwell B	85	–	92	HRB
Hardness – Rockwell C	4	–	11	HRC
Hardness – Brinell	164	–	193	HB
Elastic stored energy (springs)	189	–	305	kJ/m³
Fatigue strength at 10^7 cycles	260	–	410	MPa
Fatigue strength model (stress range) _{Parameters: Stress Ratio = -1, Number of Cycles = 1e7cycles}	241	–	443	MPa

INCONEL 617, annealed, Impact & fracture properties

Fracture toughness	342	–	380	MPa.m^0.5
Toughness (G)	557	–	687	kJ/m²

INCONEL 617, annealed, Thermal properties

Melting point	1300	–	1380	°C
Maximum service temperature	982	–	1.09e3	°C
Minimum service temperature	-273			°C
Thermal conductivity	12	–	15	W/m.°C
Specific heat capacity	400	–	440	J/kg.°C
Thermal expansion coefficient	10.5	–	12.5	µstrain/°C
Thermal shock resistance	113	–	154	°C
Thermal distortion resistance	1.02	–	1.35	MW/m
Latent heat of fusion	275	–	300	kJ/kg

INCONEL 617, annealed, Electrical properties

Electrical resistivity	115	–	130	µohm.cm
Electrical conductivity	1.33	–	1.5	%IACS
Galvanic potential	-0.17	–	-0.09	V

INCONEL 617, annealed, Magnetic properties

Magnetic type

Non-magnetic

INCONEL 617, annealed, Optical, aesthetic and acoustic properties

Transparency	Opaque
Acoustic velocity	4950	–	5080	m/s
Mechanical loss coefficient (tan delta)	5e-4	–	8e-4

INCONEL 617, annealed, Processing properties

Metal casting	Unsuitable
Metal cold forming	Acceptable
Metal hot forming	Limited use
Metal press forming	Acceptable
Metal deep drawing	Limited use
Machining speed	6.71 m/min
Weldability _{Notes: Preheating is not required, post weld heat treatment is required}	Excellent

INCONEL 617, annealed, Durability

Water (fresh)	Excellent
Water (salt)	Excellent
Weak acids	Excellent
Strong acids	Acceptable
Weak alkalis	Excellent
Strong alkalis	Excellent
Organic solvents	Excellent
Oxidation at 500C	Excellent
UV radiation (sunlight)	Excellent
Galling resistance (adhesive wear) _{Notes : Bronze or zinc alloy dies should be used to minimize galling.}	Acceptable
Flammability	Non-flammable

INCONEL 617, annealed, Corrosion resistance

Stress corrosion cracking
_{Note: Rated in chloride; Other susceptible environments: Hydroxide}

Not susceptible

INCONEL 617, annealed, Notes

INCONEL 617, annealed, Warning

All nickel compounds should be regarded as toxic. Some can cause cancer and/or fetal abnormalities.

INCONEL 617, annealed, Other notes

INCONEL is a registered trademark of the INCO group of companies. This alloy resists oxidation up to 1090C and sulfidation up to 980C.

As of September 1999 , INCONEL, INCOLOY, MONEL, NIMONIC, INCO-WELD, NILO, BRIGHTRAY, CORRONEL and UDIMET have become registered trademarks of Special Metals Corporation