# RAS Thermal — Products

> Thermocouple alloy conductors: Type K, N, E, J, T bare wire and stranded wire plus alloy ingots/wire rods. IEC 60584-1 Class 1, ASTM E230, full batch traceability.

## Thermocouple Types
- [Type E Thermocouple Wire](/products/type-e.md): Temperature range: −200 … +900 °C. Full batch-to-furnace traceability. IEC 60584-1 Class 1, ASTM E230.
- [Type J Thermocouple Wire](/products/type-j.md): Temperature range: −40 … +750 °C. Full batch-to-furnace traceability. IEC 60584-1 Class 1, ASTM E230.
- [Type K Thermocouple Wire](/products/type-k.md): Temperature range: −200 … +1370 °C. Full batch-to-furnace traceability. IEC 60584-1 Class 1, ASTM E230.
- [Type N Thermocouple Wire](/products/type-n.md): Temperature range: −270 … +1300 °C. Full batch-to-furnace traceability. IEC 60584-1 Class 1, ASTM E230.
- [Type T Thermocouple Wire](/products/type-t.md): Temperature range: −200 … +350 °C. Full batch-to-furnace traceability. IEC 60584-1 Class 1, ASTM E230.