| Chemical Composition of Thermoelements in Percent | |||||||||
| Positive (+) Conductors | Negative (+) Conductors | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| Element | J | T | K, E | N | RX / SX | J, T, E | K | N | RX / SX |
| Iron | 99+ | ||||||||
| Manganese | 1 | 2 | 2 | ||||||
| Silicon | 1.5 | 1.5 | 4 | ||||||
| Nickel | 90 | 84 | 44 | 94 | 95 | 3 | |||
| Copper | 100 | 100 | 55 | 95 | |||||
| Chromium | 10 | 14 | |||||||
| Aluminum | 2 | ||||||||
| Magnesium | .15 | ||||||||
| Magnetic | Y | N | N | N | N | N | Y | Y* | N |
