Nickel-Cr-Fe alloy, INCONEL 601, annealed, Material Data Sheet

INCONEL 601 Designation

N06601, wrought
UNS number	N06601
US name	ASTM Grade N06601; AMS 5540, 5580, 5665, 5687, 7232
EN number	2.4851
ISO name	ISO 9723, 9724, 9725, 6208, 6207

INCONEL 601 Tradenames

INCONEL 601

Special Metals Corp. (USA)

INCONEL 601 Typical uses

Aerospace, high temperature applications

INCONEL 601 Composition detail

Al (aluminum)	1	–	1.7	%
C (carbon)	0	–	0.1	%
Cr (chromium)	21	–	25	%
Cu (copper)	0	–	1	%
Fe (iron)	7.18	–	20	%
Mn (manganese)	0	–	1.5	%
Ni (nickel)	50.2	–	70.8	%
S (sulfur)	0	–	0.015	%
Si (silicon)	0	–	0.5	%

INCONEL 601 Physical properties

Density

7.95

–

8.15

g/cm3

INCONEL 601 Mechanical properties

Young’s modulus	200	–	215	GPa
Specific stiffness	24.8	–	26.8	MN.m/kg
Yield strength (elastic limit)	405	–	505	MPa
Tensile strength	690	–	850	MPa
Specific strength	50.3	–	62.8	kN.m/kg
Elongation	30	–	50	% strain
Compressive strength	405	–	505	MPa
Flexural modulus	200	–	215	GPa
Flexural strength (modulus of rupture)	405	–	505	MPa
Shear modulus	77	–	85	GPa
Bulk modulus	150	–	180	GPa
Poisson’s ratio	0.28	–	0.3
Shape factor	26
Hardness – Vickers	140	–	180	HV
Hardness – Rockwell B	77	–	87	HRB
Hardness – Rockwell C	0	–	6	HRC
Hardness – Brinell	140	–	172	HB
Elastic stored energy (springs)	399	–	610	kJ/m3
Fatigue strength at 10^7 cycles	275	–	425	MPa
Fatigue strength model (stress range) Parameters: Stress Ratio = -1, Number of Cycles = 1e7cycles	254	–	460	MPa

INCONEL 601 Impact & fracture properties

Fracture toughness	226	–	251	MPa.m0.5
Toughness (G)	246	–	305	kJ/m2

INCONEL 601 Thermal properties

Melting point	1300	–	1370	°C
Maximum service temperature	867	–	1.1e3	°C
Minimum service temperature	-273			°C
Thermal conductivity	10.5	–	12	W/m.°C
Specific heat capacity	430	–	470	J/kg.°C
Thermal expansion coefficient	13	–	14.5	µstrain/°C
Thermal shock resistance	140	–	180	°C
Thermal distortion resistance	0.751	–	0.89	MW/m
Latent heat of fusion	275	–	300	kJ/kg

INCONEL 601 Electrical properties

Electrical resistivity	110	–	125	µohm.cm
Electrical conductivity	1.38	–	1.57	%IACS
Galvanic potential	-0.18	–	-0.1	V

INCONEL 601 Magnetic properties

Magnetic type

Non-magnetic

INCONEL 601 Optical, aesthetic and acoustic properties

Transparency	Opaque
Acoustic velocity	4980	–	5170	m/s
Mechanical loss coefficient (tan delta)	4e-4	–	6e-4

INCONEL 601 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	7.32 m/min
Weldability Notes: Preheating is not required, post weld heat treatment is required	Excellent
Weldability – MIG	Good
Weldability – plasma	Good
Weldability – SAW	Good
Weldability – TIG	Good
Brazeability	Good

INCONEL 601 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 601 Corrosion resistance

Stress corrosion cracking Note: Rated in chloride; Other susceptible environments: Hydroxide	Not susceptible
Intergranular (weld line) corrosion	Excellent
Inorganic acids	Moderate
Organic acids	Moderate
Alkalis	Excellent
Humidity / water	Excellent
Sea water	Excellent
Sour oil and gas	Excellent

INCONEL 601 Notes

INCONEL 601 Warning

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

INCONEL 601 Other notes

INCONEL is a registered trademark of the INCO group of companies. As of September 1999 , INCONEL, INCOLOY, MONEL, NIMONIC, INCO-WELD, NILO, BRIGHTRAY, CORRONEL and UDIMET have become registered trademarks of Special Metals Corporation

INCONEL 601 Standards with similar compositions

International: NiCr23Fe15Al to ISO 6207, NiCr23Fe15Al to ISO 6208, NiCr23Fe15Al to ISO 9723, NiCr23Fe15Al to ISO 9724, NW6601 to ISO 6207, NW6601 to ISO 6208, NW6601 to ISO 9723, NW6601 to ISO 9724

Japan: NCF601 to JIS G4902

UK: NA49 to BS 2901/5

USA: 11D to SAE J470c, ERNiCrFe-11 to AWS A5.14/A5.14M, N06601 to ASTM B166, N06601 to ASTM B167, N06601 to ASTM B168, UNS N06601

Tradenames: INCONEL ALLOY 601, NICROFER S 6023 – FM 601