What makes aluminum alloys vital in engineering and electronics? This article dives into the conductivity and resistivity values of various aluminum alloys, showcasing how these properties influence their applications. By understanding these values, readers will gain insights into choosing the right alloy for electrical and thermal efficiency, ensuring optimal performance in their projects.
ALASM=ASM Specialty Handbook Aluminum and Aluminum Alloys
CSNDT=CSNDT compiled by Eddy Current Technology Incorporated
ECTM=Eddy Current Testing Manual on Eddy Current Method compiled by Eddy Current Technology Incorporated NDT Mag=NDT Magazine Sept/Oct 1955, Cosgrove Article compiled by Eddy Current Technology Incorporated
Material | Conductivity | Resistivity | Reference | Notes | |
(% IACS) | (Siemens/m) | (Ohm-m) | (See Endnotes) | ||
Aluminum | |||||
Pure | 61 | 3.54E+07 | 2.83E-08 | ECTM | |
99.99% | 64.94 | 3.77E+07 | 2.66E-08 | CSNDT | |
99.99% | 64.94 | 3.77E+07 | 2.66E-08 | ALASM | |
Red X-8 Cond. Stress Relieved | 29 | 1.68E+07 | 5.95E-08 | CSNDT | |
Red X-8 As Cast | 26 | 1.51E+07 | 6.63E-08 | CSNDT | |
11S Cond. T3 | 40 | 2.32E+07 | 4.31E-08 | CSNDT | |
13 | 39 | 2.26E+07 | 4.42E-08 | CSNDT | |
14S Cond. “0” | 50 | 2.90E+07 | 3.45E-08 | CSNDT | |
14S Cond. T6 | 40 | 2.32E+07 | 4.31E-08 | CSNDT | |
17S Cond. “0” | 45 | 2.61E+07 | 3.83E-08 | CSNDT | |
17S Cond. T4 | 30 | 1.74E+07 | 5.75E-08 | CSNDT | |
18S Cond. “0” | 50 | 2.90E+07 | 3.45E-08 | CSNDT | |
18S Cond. T61 | 40 | 2.32E+07 | 4.31E-08 | CSNDT | |
2S Cond. “0” | 59 | 3.42E+07 | 2.92E-08 | CSNDT | |
2S Cond. H18 | 57 | 3.31E+07 | 3.03E-08 | CSNDT | |
24S Cond. “0” | 50 | 2.90E+07 | 3.45E-08 | CSNDT | |
24S Cond. T4 | 30 | 1.74E+07 | 5.75E-08 | CSNDT | |
24S Cond. T6 | 40 | 2.32E+07 | 4.31E-08 | CSNDT | |
3S Cond. “0” | 50 | 2.90E+07 | 3.45E-08 | CSNDT | |
3S Cond. H 12 | 42 | 2.44E+07 | 4.11E-08 | CSNDT | |
3S Cond. H 14 | 41 | 2.38E+07 | 4.21E-08 | CSNDT | |
3S Cond. H 18 | 40 | 2.32E+07 | 4.31E-08 | CSNDT | |
32S Cond. “0” | 40 | 2.32E+07 | 4.31E-08 | CSNDT | |
32S Cond. T6 | 35 | 2.03E+07 | 4.93E-08 | CSNDT | |
40E | 35 | 2.03E+07 | 4.93E-08 | CSNDT | |
43 (Annealed) | 42 | 2.44E+07 | 4.11E-08 | CSNDT | |
43 As Cast | 37 | 2.15E+07 | 4.66E-08 | CSNDT | |
A51S Cond. “0” | 55 | 3.19E+07 | 3.14E-08 | CSNDT | |
A51S Cond. T4 and T6 | 45 | 2.61E+07 | 3.83E-08 | CSNDT | |
52S Cond. “0” and H 38 | 35 | 2.03E+07 | 4.93E-08 | CSNDT | |
53S Cond. “0” | 45 | 2.61E+07 | 3.83E-08 | CSNDT | |
53S Cond. T4 and T6 | 40 | 2.32E+07 | 4.31E-08 | CSNDT | |
56S Cond. “0” | 29 | 1.68E+07 | 5.95E-08 | CSNDT | |
56S Cond. H 38 | 27 | 1.57E+07 | 6.39E-08 | CSNDT | |
61S Cond. “0” | 45 | 2.61E+07 | 3.83E-08 | CSNDT | |
61S Cond. T4 and T6 | 40 | 2.32E+07 | 4.31E-08 | CSNDT | |
75S Cond. T6 | 30 | 1.74E+07 | 5.75E-08 | CSNDT | |
85 | 28 | 1.62E+07 | 6.16E-08 | CSNDT | |
Aluminum Allcast | |||||
As Cast | 27 | 1.57E+07 | 6.39E-08 | CSNDT | |
Cond. Sol. H.T. & Stress Relieved | 36 | 2.09E+07 | 4.79E-08 | CSNDT | |
Sol H.T. and Aged | 30 | 1.74E+07 | 5.75E-08 | CSNDT | |
Stress Relieved | 30 | 1.74E+07 | 5.75E-08 | CSNDT | |
Aluminum Alloy (Wrought) | |||||
1050-0 | 61.3 | 2.81E-08 | ALASM | ||
1060-O | 62 | 2.78E-08 | ALASM | ||
1060-H18 | 61 | 2.78E-08 | ALASM | ||
1100 | 57.00 – 61.80 | 3.45E+07 | 2.90E-08 | NDT Mag | |
1100-O | 59 | 2.92E-08 | ALASM | ||
1100-H18 | 57 | 3.02E-08 | ALASM | ||
1145-O | 61 | 2.83E-08 | ALASM | ||
1145-H18 | 60 | 2.83E-08 | ALASM | ||
1199-O | 64.5 | 2.67E-08 | ALASM | ||
1350-O | 61.8 | 2.79E-08 | ALASM | ||
1350-Hx | 61 | 2.82E-08 | ALASM | ||
2011-T3 | 36.00 – 36.50 | 2.10E+07 | 4.76E-08 | NDT Mag | |
2011-T3 and T4 | 39 | 4.40E-08 | ALASM | ||
2011-T8 | 45 | 3.80E-08 | ALASM | ||
2014-F and -0 | 48.60 – 50.70 | 2.88E+07 | 3.47E-08 | NDT Mag | |
2014-O | 50 | 3.40E-08 | ALASM | ||
2014-T3 and -T4 | 32.50 – 34.80 | 1.95E+07 | 5.12E-08 | NDT Mag | |
2014-T3, T4, and T451 | 34 | 5.10E-08 | ALASM | ||
2014-T6 | 38.00 – 39.70 | 2.25E+07 | 4.44E-08 | NDT Mag | |
2014-T6, T651, and T652 | 40 | 4.30E-08 | ALASM | ||
2017-F | 49.30 – 49.50 | 2.87E+07 | 3.49E-08 | NDT Mag | |
2017-O | 50 | 3.50E-08 | ALASM | ||
2017-T4 | 34 | 5.00E-08 | ALASM | ||
2024-F | 46.80 – 48.50 | 2.76E+07 | 3.62E-08 | NDT Mag | |
2024-O | 50 | 3.40E-08 | ALASM | ||
2024-T3 | 28.60 – 36.10 | 1.88E+07 | 5.33E-08 | NDT Mag | |
2024-T36 | 29.10 – 29.50 | 1.70E+07 | 5.88E-08 | NDT Mag | |
2024-T3, T36, T351, T361, and T4 | 30 | 5.70E-08 | ALASM | ||
2024-T4 | 28.80 – 31.00 | 1.73E+07 | 5.77E-08 | NDT Mag | |
2024-T6, T81, T851, and T861 | 38 | 4.50E-08 | ALASM | ||
2036-O | 52 | 3.32E-08 | ALASM | ||
2036-T4 | 41 | 4.21E-08 | ALASM | ||
2048-T851 | 42 | 4.00E-08 | ALASM | ||
2124-O | 50 | 3.45E-08 | ALASM | ||
2124-T851 | 39 | 4.42E-08 | ALASM | resistivity converted from conductivity– | |
2127-T4 | 42.10 – 42.40 | 2.45E+07 | 4.08E-08 | NDT Mag | |
2218-T61 | 37.4 | 2.17E+07 | 4.61E-08 | NDT Mag | |
2218-T61 | 38 | 4.50E-08 | ALASM | ||
2218-T72 | 40 | 4.30E-08 | ALASM | ||
2219-O | 44 | 3.90E-08 | ALASM | ||
2219-T31, T37, and T351 | 28 | 6.20E-08 | ALASM | ||
2219-T62, T81, T87, and T851 | 30 | 5.70E-08 | ALASM | ||
2319-O | 44 | 3.90E-08 | ALASM | ||
2618 | 40.2 | 2.33E+07 | 4.29E-08 | NDT Mag | |
2618-T61 | 37 | 4.70E-08 | ALASM | ||
3003-O | 44.70 – 49.80 | 2.74E+07 | 3.65E-08 | NDT Mag | |
3003-O | 50 | 3.40E-08 | ALASM | ||
3003-H14 and -H12 | 37.80 – 51.50 | 2.59E+07 | 3.86E-08 | NDT Mag | |
3003-H12 | 42 | 4.10E-08 | ALASM | ||
3003-H14 | 41 | 4.20E-08 | ALASM | ||
3003-H18 | 40 | 4.30E-08 | ALASM | ||
3003-H24 and -H28 | 37.80 – 47.50 | 2.47E+07 | 4.04E-08 | NDT Mag | |
3004 | 39.40 – 43.50 | 2.40E+07 | 4.16E-08 | NDT Mag | |
3004-O | 42 | 4.10E-08 | ALASM | ||
X3005-O | 50.10 – 50.30 | 2.91E+07 | 3.44E-08 | NDT Mag | |
3105-O | 45 | 3.83E-08 | ALASM | ||
4032-O | 40 | 4.31E-08 | ALASM | ||
4032-T6 | 35.30 – 36.30 | 2.08E+07 | 4.82E-08 | NDT Mag | |
4032-T6 | 36 | 4.79E-08 | ALASM | ||
4043-F | 52.30 – 54.30 | 3.09E+07 | 3.24E-08 | NDT Mag | |
4043-O | 42 | 4.10E-08 | ALASM | ||
5005 | 52.30 – 52.80 | 3.05E+07 | 3.28E-08 | NDT Mag | |
5005-O and H38 | 52 | 3.32E-08 | ALASM | ||
5050 | 48.30 – 49.80 | 2.85E+07 | 3.52E-08 | NDT Mag | |
5050-O and H38 | 50 | 3.40E-08 | ALASM | ||
5052 | 33.60 – 37.60 | 2.07E+07 | 4.84E-08 | NDT Mag | |
5052-O and H38 | 35 | 4.93E-08 | ALASM | ||
5056 | 28.10 – 29.80 | 1.68E+07 | 5.96E-08 | NDT Mag | |
5056-O | 29 | 5.90E-08 | ALASM | ||
5056-H38 | 27 | 6.40E-08 | ALASM | ||
5083 | 29 | 5.95E-08 | ALASM | ||
5086 | 31 | 5.60E-08 | ALASM | ||
5154 | 30.50 – 32.80 | 1.84E+07 | 5.45E-08 | NDT Mag | |
5154 | 32 | 5.39E-08 | ALASM | ||
5182 | 31 | 5.56E-08 | ALASM | ||
5252 | 35 | 4.90E-08 | ALASM | ||
5254 | 32 | 5.40E-08 | ALASM | ||
5356-O | 29 | 5.94E-08 | ALASM | ||
5357 | 42.30 – 47.00 | 2.59E+07 | 3.86E-08 | NDT Mag | |
5454 | 34 | 5.10E-08 | ALASM | ||
5456 | 29 | 5.95E-08 | ALASM | ||
5457 | 46 | 3.75E-08 | ALASM | ||
5652 | 35 | 4.90E-08 | ALASM | ||
5657 | 54 | 3.20E-08 | ALASM | ||
6005-T5 | 49 | 3.50E-08 | ALASM | ||
6009-O | 54 | 3.19E-08 | ALASM | ||
6009-T4 | 44 | 3.92E-08 | ALASM | ||
6009-T6 | 47 | 3.67E-08 | ALASM | ||
6010-O | 53 | 3.25E-08 | ALASM | ||
6010-T4 | 39 | 4.42E-08 | ALASM | ||
6010-T6 | 44 | 3.92E-08 | ALASM | ||
6053 | 39.30 – 48.00 | 2.53E+07 | 3.95E-08 | NDT Mag | |
6061-F and -0 | 42.30 – 48.50 | 2.63E+07 | 3.80E-08 | NDT Mag | |
6061-O | 47 | 3.70E-08 | ALASM | ||
6061-T4 | 37.60 – 40.50 | 2.27E+07 | 4.42E-08 | NDT Mag | |
6061-T4 | 40 | 4.30E-08 | ALASM | ||
6061-T6 and -T9 | 40.00 – 44.80 | 2.46E+07 | 4.07E-08 | NDT Mag | |
6061-T6 | 43 | 4.00E-08 | ALASM | ||
6062-F | 47.00 – 51.00 | 2.84E+07 | 3.52E-08 | NDT Mag | |
6062-T4 | 43.50 – 44.00 | 2.54E+07 | 3.94E-08 | NDT Mag | |
6062-T6 | 44.70 – 49.50 | 2.73E+07 | 3.66E-08 | NDT Mag | |
6063-O | 58 | 3.00E-08 | ALASM | ||
6063-T1 | 50 | 3.50E-08 | ALASM | ||
6063-T5 | 55 | 3.20E-08 | ALASM | ||
6063-T6 and T83 | 53 | 3.30E-08 | ALASM | ||
6066-O | 40 | 4.30E-08 | ALASM | ||
6066-T6 | 37 | 4.70E-08 | ALASM | ||
6070-T6 | 44 | 3.90E-08 | ALASM | ||
6101-T6 | 57 | 3.02E-08 | ALASM | ||
6101-T61 | 59 | 2.92E-08 | ALASM | ||
6101-T63 | 58 | 2.97E-08 | ALASM | ||
6101-T64 | 60 | 2.87E-08 | ALASM | ||
6101-T65 | 58 | 2.97E-08 | ALASM | ||
6151-0 | 53.30 – 55.00 | 3.14E+07 | 3.18E-08 | NDT Mag | |
6151-O | 54 | 3.20E-08 | ALASM | ||
6151-T4 | 41.50 – 43.30 | 2.46E+07 | 4.07E-08 | NDT Mag | |
6151-T6 | 42 | 4.10E-08 | ALASM | ||
6151-T6 | 43.90 – 45.00 | 2.58E+07 | 3.88E-08 | NDT Mag | |
6151-T6 | 45 | 3.80E-08 | ALASM | ||
6201-T81 | 54 | 3.20E-08 | ALASM | ||
6205-T1 | 45 | 3.70E-08 | ALASM | ||
6205-T5 | 49 | 3.50E-08 | ALASM | ||
6262-T9 | 44 | 3.90E-08 | ALASM | ||
6351-T6 | 46 | 3.80E-08 | ALASM | ||
6463-T1 | 50 | 3.40E-08 | ALASM | ||
6463-T5 | 55 | 3.10E-08 | ALASM | ||
6463-T6 | 53 | 3.30E-08 | ALASM | ||
6951-F | 53.00 – 53.10 | 3.08E+07 | 3.25E-08 | NDT Mag | |
6951-0 | 55.70 – 56.50 | 3.25E+07 | 3.07E-08 | NDT Mag | |
7005-O | 43 | 4.01E-08 | ALASM | ||
7005-T53, T5351, T63, and T6351 | 38 | 4.54E-08 | ALASM | ||
7005-T6 | 35 | 4.93E-08 | ALASM | ||
7039 | 32-40 | 4.3E-8–5.4E-8 | ALASM | resistivity converted from conductivity– | |
7049 | 40 | 4.30E-08 | ALASM | ||
7050-O | 47 | 3.67E-08 | ALASM | ||
7050-T76 and T7651 | 39.5 | 4.36E-08 | ALASM | ||
7050-T736 and T73651 | 40.5 | 4.26E-08 | ALASM | ||
7072 | 60.00 – 60.10 | 3.48E+07 | 2.87E-08 | NDT Mag | |
7072-O | 60 | 2.87E-08 | ALASM | ||
7075-F | 44.50 – 47.80 | 2.68E+07 | 3.74E-08 | NDT Mag | |
7075-T6 | 31.40 – 34.80 | 1.92E+07 | 5.21E-08 | NDT Mag | |
7075-T6 | 32 | 1.86E+07 | 5.39E-08 | ECTM | |
7075-W | 27.00 – 37.00 | 1.86E+07 | 5.39E-08 | NDT Mag | |
7075-T6, T62, T651, and T652 | 33 | 5.22E-08 | ALASM | ||
7075-T76 and T7651 | 38.5 | 4.48E-08 | ALASM | ||
7075-T73, T7351, and T7352 | 40 | 4.31E-08 | ALASM | ||
7076 | 35 | 3.75E-08 | ALASM | ||
7175-O | 46 | 3.75E-08 | ALASM | ||
7175-T66 | 36 | 4.79E-08 | ALASM | ||
7175-T736 and T73652 | 40 | 4.31E-08 | ALASM | ||
7178-O | 46 | 3.75E-08 | ALASM | ||
7178-T6 and T651 | 32 | 5.39E-08 | ALASM | ||
7178-T76 and T7651 | 39 | 4.42E-08 | ALASM | ||
X7178-F and -0 | 45.50 – 46.00 | 2.65E+07 | 3.77E-08 | NDT Mag | |
X7178-W and T6 | 26.80 – 32.60 | 1.72E+07 | 5.81E-08 | NDT Mag | |
7475-O | 46 | 3.75E-08 | ALASM | ||
7475-T61 and T651 | 36 | 4.79E-08 | ALASM | ||
7475-T761 and T7651 | 40 | 4.31E-08 | ALASM | ||
7475-T7351 | 42 | 4.11E-08 | ALASM | ||
Aluminum Alloys (Cast) | |||||
122 Perm. Mold As Cast | 34 | 1.97E+07 | 5.07E-08 | CSNDT | |
122 Sand Cond. T2 | 41 | 2.38E+07 | 4.21E-08 | CSNDT | |
122 Sand Cond. T61 | 33 | 1.91E+07 | 5.23E-08 | CSNDT | |
113 | 30 | 1.74E+07 | 5.75E-08 | CSNDT | |
C113 | 27 | 1.57E+07 | 6.39E-08 | CSNDT | |
A 132 Cond. T551 | 29 | 1.68E+07 | 5.95E-08 | CSNDT | |
201.0-T6 | 27-32 | 4.5E-8–6.4E-8 | ALASM | ||
206.0-T6 | 27-32 | 5.4E-8–6.4E-8 | ALASM | conductivity converted from resistivity– | |
206.0-T7 | 32-34 | 5.0E-8–5.4E-8 | ALASM | conductivity converted from resistivity– | |
208.0 as-cast | 31 | 5.56E-08 | ALASM | ||
(208.0) 108 | 31 | 1.80E+07 | 5.56E-08 | CSNDT | |
208.0 annealed | 38 | 4.54E-08 | ALASM | ||
214 | 35 | 2.03E+07 | 4.93E-08 | CSNDT | |
A214 | 33 | 1.91E+07 | 5.23E-08 | CSNDT | |
218 | 24 | 1.39E+07 | 7.18E-08 | CSNDT | |
220 | 21 | 1.22E+07 | 8.21E-08 | CSNDT | |
242.0-T21, sand | 44 | 3.92E-08 | ALASM | ||
(242.0) 142 Sand Cond. T21 | 44 | 2.55E+07 | 3.92E-08 | CSNDT | |
242.0-T571, sand | 34 | 5.07E-08 | ALASM | ||
(242.0) 142 Sand Cond. T571 | 34 | 1.97E+07 | 5.07E-08 | CSNDT | |
242.0-T77, sand | 38 | 4.54E-08 | ALASM | ||
(242.0) 142 Sand Cond. T77 | 37 | 2.15E+07 | 4.66E-08 | CSNDT | |
242.0-T61,permanent mold | 33 | 5.22E-08 | ALASM | ||
295.0-T4 | 35 | 4.93E-08 | ALASM | ||
(295.0) 195 Cond. T4 | 35 | 2.03E+07 | 4.93E-08 | CSNDT | |
295.0-T62 | 37 | 4.93E-08 | ALASM | ||
(295.0) 195 Cond. T62 | 37 | 2.15E+07 | 4.66E-08 | CSNDT | |
296.0-T4 and T6 | 33 | 5.22E-08 | ALASM | ||
(296.0) B 195 Cond. T4 | 35 | 2.03E+07 | 4.93E-08 | CSNDT | |
(296.0) B 195 Cond. T6 | 36 | 2.09E+07 | 4.79E-08 | CSNDT | |
308 | 37 | 4.66E-08 | ALASM | ||
(308.0) A 108 | 37 | 2.15E+07 | 4.66E-08 | CSNDT | |
R 317 | 30 | 1.74E+07 | 5.75E-08 | CSNDT | |
319 | 27 | 6.39E-08 | ALASM | ||
319 Sand | 27 | 1.57E+07 | 6.39E-08 | CSNDT | |
319 Perm. Mold | 28 | 1.62E+07 | 6.16E-08 | CSNDT | |
336.0-T551 | 29 | 5.95E-08 | ALASM | ||
355.0-T51, sand | 43 | 4.01E-08 | ALASM | ||
355 Sand Cond. T51 | 43 | 2.49E+07 | 4.01E-08 | CSNDT | |
355.0-T6, sand | 36 | 4.79E-08 | ALASM | ||
355 Sand Cond. T6 | 36 | 2.09E+07 | 4.79E-08 | CSNDT | |
355.0-T61, sand | 39 | 4.42E-08 | ALASM | ||
355 Sand Cond. T61 | 37 | 2.15E+07 | 4.66E-08 | CSNDT | |
355.0-T7, sand | 42 | 4.10E-08 | ALASM | ||
355 Sand Cond. T7 | 42 | 2.44E+07 | 4.11E-08 | CSNDT | |
355.0-T6,permanent mold | 39 | 4.42E-08 | ALASM | ||
355 Perm. Mold Cond. T6 | 39 | 2.26E+07 | 4.42E-08 | CSNDT | |
356.0-T51, sand | 43 | 4.01E-08 | ALASM | ||
356 Sand Cond. T51 | 43 | 2.49E+07 | 4.01E-08 | CSNDT | |
356.0-T6, sand | 39 | 4.42E-08 | ALASM | ||
356 Sand Cond. T6 | 39 | 2.26E+07 | 4.42E-08 | CSNDT | |
356.0-T7, sand | 40 | 4.31E-08 | ALASM | ||
356.0-T6,permanent mold | 41 | 4.21E-08 | ALASM | ||
360 | 28 | 6.16E-08 | ALASM | ||
A360.0 | 30 | 5.75E-08 | ALASM | resistivity converted from conductivity– | |
360 | 37 | 2.15E+07 | 4.66E-08 | CSNDT | |
380 | 27 | 6.50E-08 | ALASM | ||
380 | 27 | 1.57E+07 | 6.39E-08 | CSNDT | |
383 | 23 | 7.50E-08 | ALASM | resistivity converted from conductivity– | |
384 | 22 | 7.84E-08 | ALASM | resistivity converted from conductivity– | |
A384.0 | 23 | 7.50E-08 | ALASM | resistivity converted from conductivity– | |
390.0-F | 27 | 6.39E-08 | ALASM | resistivity converted from conductivity– | |
390.0-T5 | 25 | 6.90E-08 | ALASM | resistivity converted from conductivity– | |
413 | 31 | 5.56E-08 | ALASM | ||
443.0 As-Cast | 37 | 4.66E-08 | ALASM | ||
443.0 Annealed | 42.05 | 4.10E-08 | ALASM | conductivity converted from resistivity– | |
514 | 35 | 4.93E-08 | ALASM | ||
518 | 25 | 6.90E-08 | ALASM | resistivity converted from conductivity– | |
520.0-T4 | 21 | 8.21E-08 | ALASM | ||
535 | 20 | 7.50E-08 | ALASM | ||
712 | 35 | 4.93E-08 | ALASM | ||
713 | 35 | 4.93E-08 | ALASM | resistivity converted from conductivity– | |
750 | 45 | 2.61E+07 | 3.83E-08 | CSNDT | |
771 | 27 | 6.39E-08 | ALASM | resistivity converted from conductivity– | |
850 | 47 | 3.67E-08 | ALASM |