Thermocouple alloy conductors, specified to the micron.
From alloy melting to ultra-fine wire drawing — full in-house control, full traceability.
- Ø range
- 0.025–5.0 mm
- Types
- K N J T E
- Tolerance
- Class 1
- Testing
- 100%
Five standard types, plus custom melts
| Type | Alloy pair | Temperature range | Sensitivity | Typical use | |
|---|---|---|---|---|---|
| K | Chromel / Alumel | −200 … +1370 °C | 41 µV/°C | General purpose, oxidizing atmospheres | Spec |
| N | Nicrosil / Nisil | −270 … +1300 °C | 39 µV/°C | Superior drift resistance at high temp | Spec |
| J | Iron / Constantan | −40 … +750 °C | 55 µV/°C | Reducing / vacuum atmospheres | Spec |
| T | Copper / Constantan | −200 … +350 °C | 43 µV/°C | Cryogenic and moist environments | Spec |
| E | Chromel / Constantan | −200 … +900 °C | 68 µV/°C | Highest EMF output per degree | Spec |
| X | Custom Alloys | On request | — | Alloy development, sample melts, contract drawing | Spec |
Nine controlled operations, one furnace number
- 01
Alloy Melting
Vacuum induction melting, ±0.1% composition control
Leybold VIM · 500kg
- 02
Hot Rolling
Billet reduction to wire rod
Continuous mill · φ5.5mm
- 03
Cold Drawing
Multi-pass diameter reduction
Multi-block line · 13 passes
- 04
Intermediate Annealing
Controlled H2/N2 atmosphere
Strand anneal
- 05
Precision Drawing
Diamond die to φ0.025mm ultra-fine
Single-crystal diamond dies
- 06
Final Annealing
Bright anneal for EMF stability
Inline tension control
- 07
Surface Treatment
Bright / oxidized / electro-polished
Electro-polishing cell
- 08
100% Testing
Eddy current, resistance, dimensional
Laser micrometer
- 09
Packaging
DIN 125 spool / coil / custom reel
Automated spooling
Spools tested
Resistance uniformity and diameter tolerance on every spool.
Data archive
Test records retained and retrievable by batch number.
Furnace number
Every meter traceable to a single melt with full chemistry.
Standards
IEC 60584-1 · ASTM E230 · DIN EN 60584 · JIS C 1602 · GB/T 16839
Where our conductors run
Industrial Heat Treatment
Furnaces, kilns, carburizing, nitriding
Aerospace & Aviation
Engine testing, turbine monitoring, AMS 2750
Power Generation
Turbine monitoring, boiler tubes, nuclear sensing
Petrochemical
Reformer tubes, distillation, pipeline monitoring
Automotive
Exhaust gas, EV battery thermal management
Medical & Pharma
Autoclave validation, freeze-drying, sterilization
Alloy Comparison Chart
Type K, N, J, T, E — range, EMF output, oxidation resistance, relative cost.
PDF · 2026-08EMF vs Temperature Tables
Complete millivolt reference tables per IEC 60584-1.
PDF + Web · 2026-08International Color Codes
IEC vs ANSI vs DIN vs JIS vs GB coding for legs and sheath.
PDF · 2026-08Frequently Asked Questions
Diameter selection, accuracy class, insulation, MOQ, lead times.
Web · 2026-08Send us your specification.
Diameter, type, tolerance class, quantity — we reply with price and lead time within one business day.