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
| Ni | 58 to 63 | |
| Cr | 21 to 25 | |
| Fe | 7.7 to 20 | |
| Al | 1.0 to 1.7 | |
| Mn | 0 to 1.0 | |
| Cu | 0 to 1.0 | |
| Si | 0 to 0.5 | |
| C | 0 to 0.1 | |
| 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