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Type K Thermocouple Bare Wire KP KN 3.2mm Diameter Heavy Duty Grade Durable Industrial Thermocouple Wire
| Lugar de origen | llevar a la fuerza |
|---|---|
| Nombre de la marca | Huona |
| Certificación | ISO9001 |
| Número de modelo | tipo K |
| Cantidad de orden mínima | 10KG |
| Precio | Negociable |
| Detalles de empaquetado | Caja de cartón/madera |
| Tiempo de entrega | 5-21 días |
| Condiciones de pago | LC, T/T, Unión Occidental |
| Capacidad de la fuente | 500 toneladas por mes |
Datos del producto
| Grado de aleación | tipo K | Diámetro | 3,2 mm (±0,02 mm) |
|---|---|---|---|
| forma | bobina | Clase de precisión | Clase 1 del IEC |
| Temperatura de funcionamiento | -200°C ~ 1260°C (continuo) | Resistencia a la tracción | ≥700MPa (KP/KN) |
| Alargamiento | ≥20% | Acabado superficial | Oxidado (el color se puede personalizar) |
| Resaltar | Type K thermocouple bare wire,KP KN thermocouple heavy duty,3.2mm industrial thermocouple wire |
||
Descripción de producto
Type K Thermocouple Bare Wire (KP/KN) – 3.2mm Diameter Heavy-Duty Grade
Product Overview
This heavy-gauge Type K thermocouple bare wire from Huona is a robust, industrial-grade thermoelectric wire pair composed of KP (Chromel, positive leg) and KN (Alumel, negative leg), specifically engineered for long-term, high-temperature industrial applications. Manufactured via precision vacuum melting, heavy-gauge drawing, and stress-relief annealing, this thick wire delivers exceptional mechanical strength, resistance to thermal fatigue, and stable thermoelectric performance, making it ideal for furnace monitoring, kiln controls, and power plant processes.
Core Specifications
- Product Name: Type K Thermocouple Bare Wire (KP/KN Pair, Heavy-Duty)
- Alloy Composition:
- KP (Positive Leg): Chromel (Ni: ~90%, Cr: ~10%)
- KN (Negative Leg): Alumel (Ni: ~95%, Al: ~2%, Mn: ~2%, Si: ~1%)
- Diameter: 3.2mm (customizable: 2.0–6.0mm)
- Tolerance: ±0.02mm
- Form: Coil (standard length: 25m/leg; custom lengths available)
- Thermoelectric Performance:
- Accuracy Class: IEC Class 1 (±1.5°C or ±0.4% of reading, whichever is greater)
- Thermoelectric Power: ~40.5 µV/°C at 100°C
- Operating Temperature Range: -200°C ~ 1260°C (continuous use; long-term service life enhanced at 1000–1200°C)
- Standards Compliance: IEC 60584-1, ASTM E230, GB/T 4989, RoHS 2.0
- Manufacturer: Huona (Shanghai) New Material Co., Ltd.
Key Differentiating Advantages
1. Extended Service Life in High-Temperature Environments
The heavy 3.2mm diameter significantly slows the rate of oxidation and “green rot” degradation at temperatures above 1000°C, doubling the service life compared to thinner (≤1.0mm) Type K wires. This reduces maintenance and replacement costs in continuous-process industrial furnaces.
2. Superior Mechanical Strength & Thermal Fatigue Resistance
With a tensile strength ≥700 MPa and robust cross-sectional area, this wire resists sagging, deformation, and breakage in vertical furnace installations and under repeated thermal cycling. It eliminates the risk of wire fatigue common with fine-gauge wires in high-vibration environments.
3. Reduced Signal Drift & Stable Long-Term Readings
The larger cross-sectional volume of the heavy-gauge wire minimizes thermoelectric drift caused by alloy phase changes and contamination, ensuring consistent, accurate readings even after thousands of hours of continuous high-temperature use.
4. Enhanced Weldability & Probe Assembly Compatibility
The thick wire diameter provides ample material for robust junction welding, simplifying the construction of heavy-duty, high-temperature thermocouple probes. It is also compatible with standard ceramic protection tubes and terminal connections for industrial installations.
5. Low Maintenance for Continuous Process Monitoring
Designed for minimal calibration and replacement needs, this heavy-duty wire is ideal for “fit-and-forget” temperature monitoring in power plants, steel mills, and glass manufacturing facilities where process uptime is critical.
Technical Specifications Table
| Attribute | Value (Typical) |
|---|---|
| Alloy Grade | KP (Chromel) / KN (Alumel) |
| Diameter | 3.2mm (±0.02mm) |
| Form | Coil |
| Accuracy Class | IEC Class 1 |
| Operating Temperature | -200°C ~ 1260°C (continuous) |
| Tensile Strength | ≥700 MPa (KP/KN) |
| Elongation | ≥20% |
| Surface Finish | Oxidized dark finish (standard for high-temperature use) |
| Packaging | Anti-oxidation coil packaging with moisture-proof wrapping |
Typical Applications
- Industrial Furnaces & Kilns: Long-term temperature monitoring in steel reheat furnaces, ceramic kilns, and glass melting processes.
- Power Generation: Boiler and steam turbine temperature monitoring in coal-fired and gas-fired power plants.
- Metallurgical Processing: Temperature control in metal heat treatment, casting, and forging operations.
- Petrochemical Refining: High-temperature monitoring in process heaters, reformers, and catalytic cracking units.
- Heavy Machinery: Engine exhaust and industrial boiler temperature sensing in power generation and manufacturing equipment.
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