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Nickel Alloy 601 (N06601, NA49)

Nickel 601 is a nickel alloy formulated for primary forming into wrought products. NA49 is the British Standard (BS) designation for this material. N06601 is the UNS number. Nickel Alloy 601 is the common industry name. Additionally, the AFNOR (French) designation is NC23FeA.

It has a moderately low embodied energy among wrought nickels. In addition, it has a moderately high heat capacity and a moderately low base cost.

The properties of nickel 601 include two common variations. This page shows summary ranges across both of them. For more specific values, follow the links immediately below. The graph bars on the material properties cards further below compare nickel 601 to: wrought nickels (top), all nickel alloys (middle), and the entire database (bottom). A full bar means this is the highest value in the relevant set. A half-full bar means it's 50% of the highest, and so on.

Mechanical Properties

Elastic (Young's, Tensile) Modulus

200 GPa 28 x 106 psi

Elongation at Break

10 to 38 %

Fatigue Strength

220 to 380 MPa 32 to 55 x 103 psi

Poisson's Ratio

0.28

Shear Modulus

76 GPa 11 x 106 psi

Shear Strength

440 to 530 MPa 64 to 77 x 103 psi

Tensile Strength: Ultimate (UTS)

660 to 890 MPa 95 to 130 x 103 psi

Tensile Strength: Yield (Proof)

290 to 800 MPa 42 to 120 x 103 psi

Thermal Properties

Curie Temperature

-200 °C -320 °F

Latent Heat of Fusion

320 J/g

Maximum Temperature: Mechanical

1100 °C 2010 °F

Melting Completion (Liquidus)

1410 °C 2570 °F

Melting Onset (Solidus)

1360 °C 2490 °F

Specific Heat Capacity

470 J/kg-K 0.11 BTU/lb-°F

Thermal Conductivity

11 W/m-K 6.4 BTU/h-ft-°F

Thermal Expansion

14 µm/m-K

Electrical Properties

Electrical Conductivity: Equal Volume

1.5 % IACS

Electrical Conductivity: Equal Weight (Specific)

1.6 % IACS

Otherwise Unclassified Properties

Base Metal Price

49 % relative

Density

8.3 g/cm3 520 lb/ft3

Embodied Carbon

8.0 kg CO2/kg material

Embodied Energy

110 MJ/kg 49 x 103 BTU/lb

Embodied Water

280 L/kg 33 gal/lb

Common Calculations

Resilience: Ultimate (Unit Rupture Work)

86 to 200 MJ/m3

Resilience: Unit (Modulus of Resilience)

210 to 1630 kJ/m3

Stiffness to Weight: Axial

13 points

Stiffness to Weight: Bending

23 points

Strength to Weight: Axial

22 to 30 points

Strength to Weight: Bending

20 to 25 points

Thermal Diffusivity

2.8 mm2/s

Thermal Shock Resistance

17 to 23 points

Alloy Composition

Nickel (Ni)Ni 58 to 63
Chromium (Cr)Cr 21 to 25
Iron (Fe)Fe 7.7 to 20
Aluminum (Al)Al 1.0 to 1.7
Manganese (Mn)Mn 0 to 1.0
Copper (Cu)Cu 0 to 1.0
Silicon (Si)Si 0 to 0.5
Carbon (C)C 0 to 0.1
Sulfur (S)S 0 to 0.015

All values are % weight. Ranges represent what is permitted under applicable standards.

Followup Questions

Similar Alloys

Further Reading

ASTM B166: Standard Specification for Nickel-Chromium-Iron Alloys (UNS N06600, N06601, N06603, N06690, N06693, N06025, and N06045) and Nickel-Chromium-Cobalt-Molybdenum Alloy (UNS N06617) Rod, Bar, and Wire

ASTM B167: Standard Specification for Nickel-Chromium-Iron Alloys (UNS N06600, N06601, N06603, N06690, N06693, N06025, and N06045) and Nickel-Chromium-Cobalt-Molybdenum Alloy (UNS N06617) Seamless Pipe and Tube

ASTM B168: Standard Specification Nickel-Chromium-Iron Alloys (UNS N06600, N06601, N06603, N06690, N06693, N06025, and N06045) and Nickel-Chromium-Cobalt-Molybdenum Alloy (UNS N06617) Plate, Sheet, and Strip

Microstructure of Superalloys, Madeleine Durand-Charre, 1998

Welding Metallurgy and Weldability of Nickel-Base Alloys, John C. Lippold et al., 2009

Engineering Properties of Nickel and Nickel Alloys, John L. Everhart, 1971

Nickel Alloys, Ulrich Heubner (editor), 1998

CRC Materials Science and Engineering Handbook, 4th ed., James F. Shackelford et al. (editors), 2015