- Type K: Chromel-Alumel
- Type J: Iron-Constantan
- Type T: Copper-Constantan
- Type E: Chromel-Constantan
- Type N: Nicrosil-Nisil
- Type R: Platinum-Rhodium (13%)-Platinum
- Type S: Platinum-Rhodium (10%)-Platinum
- Type B: Platinum-Rhodium (30%)-Platinum-Rhodium (6%)
https://www.dlx-alloy.com/quality-37161619-type-k-nickel-chromel-alumel-kp-kn-thermocouple-wire-k-type-thermocouple