Alumel® - Leading Edge Metals and Alloys | LEMA

Overview

Used in conjunction with Chromel® in type K thermocouples, Alumel®1 is made of nickel, manganese, aluminum and silicon.
Properties

Technical Properties

of Alumel®

Alumel® Metal Properties

 Melting pointBoiling pointDensity Heat of fusionMolar heat capacityElectrical resistivityMagnetic ordering
Alumel1399 °Cxx8.61 g cm−3xxxxxxxx
Molybdenum 2896 K ​(2623 °C, ​4753 °F)4912 K ​(4639 °C, ​8382 °F)10.28 g/cm337.48 kJ/mol24.06 J/(mol·K)53.4 nΩ·m (at 20 °C)paramagnetic[4]
Titanium1941 K ​(1668 °C, ​3034 °F)3560 K ​(3287 °C, ​5949 °F)4.506 g/cm314.15 kJ/molxx420 nΩ·m (at 20 °C)paramagnetic
Zirconium2128 K ​(1855 °C, ​3371 °F)4650 K ​(4377 °C, ​7911 °F)6.52 g/cm314 kJ/mo25.36 J/(mol·K)421 nΩ·m (at 20 °C)paramagnetic[3]
Constantan1210 °C
Nickel1728 K ​(1455 °C, ​2651 °F)3003 K ​(2730 °C, ​4946 °F)8.908 g/cm317.48 kJ/mol26.07 J/(mol·K)69.3 nΩ·m (at 20 °C)ferromagnetic
Chromel1420 °C8.5 g cm−3xx0.706 µΩ mxx
Invar 361427°C, 2600°Fxx8055g cm 0.291xxxx495 ohm-cir mil/ftxx
Niobium2750 K ​(2477 °C, ​4491 °F)5017 K ​(4744 °C, ​8571 °F)8.57 g/cm330 kJ/mol24.60 J/(mol·K)152 nΩ·m (at 0 °C)paramagnetic
Rhenium3459 K ​(3186 °C, ​5767 °F)5903 K ​(5630 °C, ​10,170 °F)21.02 g/cm360.43 kJ/mol25.48 J/(mol·K)193 nΩ·m (at 20 °C)paramagnetic[2]
Tantalum3290 K ​(3017 °C, ​5463 °F)5731 K ​(5458 °C, ​9856 °F)16.69 g/cm336.57 kJ/mol25.36 J/(mol·K)131 nΩ·m (at 20 °C)paramagnetic[3]
Tungsten3695 K ​(3422 °C, ​6192 °F)6203 K ​(5930 °C, ​10706 °F)19.3 g/cm352.31 kJ/mol[3][4]24.27 J/(mol·K)52.8 nΩ·m (at 20 °Cparamagnetic[5]
Kovar1450 °C / 2640 °F8.35 g /cm300.49 Ω mm2 /cm
MuMetal2642°F [1450°C]xx 0.316 lb/in³ [8.74g/cm³]xxxx 60 μΩ​cmxx
Industries

Industries

That Commonly Use Alumel®

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