Thermal Conductivity of Common Magnesium Alloys
The thermal conductivity of magnesium alloys can vary depending on the specific alloy composition and processing conditions. In general, magnesium and its alloys exhibit good thermal conductivity, which means they are efficient at conducting heat.
The following table provides a curated list of thermal conductivity values for various magnesium alloys at room temperature (approximately 20°C or 68°F).
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| UNS number | Composition | ||
|---|---|---|---|
| Pure magnesium | 99.97 | 156 | |
| AM100A F | M10100 | Mg-9.5Al-0.3Zn | 73 |
| AM60A F | M10600 | Mg-6Al-0.5Si-0.35Cu | 62 |
| AM60B F | M10603 | Mg-6Al-0.25Mn | 62 |
| AS41A F | M10410 | Mg-4Al-1Si-0.35Mn | 68 |
| AS41XB F | Mg-4Al-1Si-0.35Mn | 68 | |
| AZ10A | M11100 | Mg-1.5Al-0.5Zn | 110 |
| AZ31B T1 | M11312 | Mg-3Al-1Zn | 84 |
| AZ61A F | M11610 | Mg-6Al-1Zn | 79 |
| AZ63 T1 | M11630 | Mg-6Al-3Zn-0.3Si | 77 |
| AZ80A T4 | M11800 | Mg-8Al-0.5Zn | 84 |
| AZ81A T1 | M11810 | Mg-8Al-0.5Zn | 79 |
| AZ91A F | M11910 | Mg-9Al-1Zn-0.1Mn | 72 |
| AZ91C T6 | M11914 | Mg-9Al-1Zn-0.1Mn | 72 |
| AZ92A T6 | M11920 | Mg-9Al-2Zn-0.3Si | 72 |
| EQ21 T6 | M16330 | Mg-1.5Ag-2Re | 113 |
| EZ33A T5 | M12330 | Mg-3Re-2.5Zn-0.6Zr | 100 |
| HK31A T6 | M13310 | Mg-3Th-0.6Zr-0.3Zn | 92 |
| HK31A H24 | M13310 | Mg-3Th-1Zr | 105 |
| HM21A T8 | M13210 | Mg-2Th-0.5Mn | 134 - 138 |
| HM31A O | M13312 | Mg-3Th-1.2Mn | 104 |
| HZ32A T5 | M13320 | Mg-2Zn-3Th-1Zr | 110 |
| K1A F | M18010 | Mg-0.5Zr | 122 |
| M1A | M15100 | Mg-1Mn-0.3Cr | 138 |
| QE22A T6 | M18220 | Mg-2.5Ag-2Re-0.6Zr | 113 |
| QH21A T6 | Mg-2.5Ag-1Re-1Th-0.7Zr | 113 | |
| WE43 T6 | M18430 | Mg-4Y-3.4Re-0.6Zr | 51 |
| WE54 T6 | M18410 | Mg-5.1Y-3Re-0.6Zr | 52 |
| ZC63 T6 | M16631 | Mg-5.5Zn-2.5Cu-0.5Mn | 122 |
| ZC71 T6 | M16710 | Mg-6.5Zn-1Cu-0.8Mn | 122 |
| ZE41A T5 | M16410 | Mg-4.5Zn-1.5Re | 113 |
| ZE63A T6 | M16630 | Mg-6Zn-2.5Re | 109 |
| ZH62A T5 | M16620 | Mg-5.5Zn-2Th-0.65Zr | 110 |
| ZK21A | M16210 | Mg-2.3Zn-0.65Zr | 125 |
| ZK40A T5 | M16400 | Mg-4Zn-0.45Zr | 117 |
| ZK51A T5 | M16510 | Mg-4.5Zn-0.45Zr | 110 |
| ZK60A T5 | M16600 | Mg-5.5Zn-0.45Zr | 117 |
| ZK61A T6 | M16610 | Mg-6Zn-0.8Zr | 117 |
| ZW10 T1 | Mg-1.3Zn-0.6Zr | 134 |
Related Tables
References: 1) Cardarelli, François. Materials Handbook: A Concise Desktop Reference. Switzerland: Springer International Publishing, 2018.