Precision thermocouple alloy conductor production at RAS Thermal
Product index

Thermocouple Alloy Conductors

Type K, N, J, T and E — bare wire, stranded wire and alloy ingots and wire rods. φ0.025mm to 5.0mm with full batch traceability.

01 — Browse by thermocouple type
TypeAlloy pairTemperature rangeTypical useForms
KChromel / Alumel−200 … +1370 °CIndustry standard, oxidizing atmospheresBare · Stranded
NNicrosil / Nisil−270 … +1300 °CNo green rot, best long-term driftBare · Stranded
JIron / Constantan−40 … +750 °CCost-effective, reducing atmospheresBare · Stranded
TCopper / Constantan−200 … +350 °CBest sub-zero accuracy ±0.5 °CBare · Stranded
EChromel / Constantan−200 … +900 °CHighest EMF output, non-magneticBare · Stranded
02 — Browse by product form

Bare Wire

Solid single-strand conductor, φ0.025–5.0 mm, bright / oxidized / electro-polished.

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Stranded Wire

7, 19 or 37 strand constructions for flexibility and vibration resistance.

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Alloy Ingots & Wire Rods

Upstream raw material: 7 thermocouple alloys as cast ingot or φ5.5mm wire rod.

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03 — Browse by specification

By Standard

IEC 60584-1 · ASTM E230 · DIN EN 60584 · JIS C 1602 · GB/T 16839

By Insulation

None (bare) · PVC · PTFE · PFA · Fiberglass · Silicone

By Sheath Material

SS304 · SS316 · SS310S · INCL600

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We manufacture custom alloy formulations, special surface finishes and private-labelled spools.

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