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Type K Thermocouple Bare Wire KP KN 2.0mm Diameter Heavy Duty Grade High Performance Thermocouple Wire
| 원래 장소 | 상하이 |
|---|---|
| 브랜드 이름 | Huona |
| 인증 | ISO9001 |
| 모델 번호 | K형 |
| 최소 주문 수량 | 10KG |
| 가격 | 협상 가능 |
| 포장 세부 사항 | 판지/나무로 되는 케이스 |
| 배달 시간 | 5-21 일 |
| 지불 조건 | L/C, T/T, 웨스턴 유니온 |
| 공급 능력 | 달 당 500 톤 |
제품 상세 정보
| 합금 등급 | K형 | 지름 | 2.0mm(±0.02mm) |
|---|---|---|---|
| 형태 | 코일 | 정확도 등급 | 정확도 등급 |
| 작동 온도 | -200°C ~ 1260°C(연속) | 인장강도 | ≥700MPa(KP/KN) |
| 연장 | ≥20% | 표면 마감 | 어두운 사전 산화 마감 |
| 강조하다 | Type K thermocouple bare wire,KP KN thermocouple wire 2.0mm,heavy duty thermocouple wire |
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제품 설명
Type K Thermocouple Bare Wire (KP/KN) – 2.0mm Diameter Heavy-Duty Grade
Product Overview
This heavy-gauge Type K thermocouple bare wire from Huona is a robust, industrial-grade thermoelectric pair, purpose-built for long-term, continuous high-temperature monitoring. Composed of KP (Chromel, positive leg) and KN (Alumel, negative leg), this thick wire is engineered to resist oxidation, thermal fatigue, and mechanical stress in the harshest industrial environments. Unlike finer gauges, its substantial cross-section drastically slows the aging process, ensuring stable readings and extended service life in demanding applications.
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: 2.0mm (customizable: 1.5–4.0mm)
- Tolerance: ±0.02mm
- Form: Coil (standard length: 50m/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; optimized for 800–1200°C long-term service)
- Standards Compliance: IEC 60584-1, ASTM E230, GB/T 4989, RoHS 2.0
- Manufacturer: Huona (Shanghai) New Material Co., Ltd.
Key Differentiating Advantages
1. Drastically Extended Service Life in Oxidizing Environments
The 2.0mm diameter provides a much larger volume of material, significantly slowing down oxidation and the infamous "green rot" degradation common in K-type wires above 800°C. This translates to 2–3 times longer service life compared to 0.5–1.0mm wires in the same conditions, reducing costly downtime and replacements.
2. Superior Mechanical Strength & Vibration Resistance
With a high tensile strength and robust cross-section, this wire is virtually immune to sagging, stretching, and breakage in vertical furnace installations or high-vibration environments like gas turbines and cement kilns. It eliminates the "wire fatigue" issues that plague finer gauges.
3. Minimal Drift & Ultra-Stable Long-Term Readings
The larger material volume acts as a buffer against contamination and grain structure changes, resulting in minimal thermoelectric drift. This ensures process control remains accurate and consistent over thousands of operating hours, critical for maintaining product quality.
4. Versatile for Rugged Probe Assembly
The thick diameter is ideal for constructing heavy-duty, high-temperature thermocouple probes. It provides ample material for robust weld junctions and is perfectly suited for use with large ceramic or metal protection tubes, making it a go-to for industrial OEMs.
5. Cost-Effective for Continuous Processes
While the upfront cost is higher than fine wire, the extended lifespan and reduced maintenance frequency make this heavy-duty grade far more economical for 24/7 operations in power plants, steel mills, and chemical facilities.
Technical Specifications Table
| Attribute | Value (Typical) |
|---|---|
| Alloy Grade | KP (Chromel) / KN (Alumel) |
| Diameter | 2.0mm (±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 | Dark, pre-oxidized finish (optimized for high-temperature use) |
| Packaging | Moisture-proof, anti-oxidation coil packaging |
Typical Applications
- Steel & Metal Processing: Continuous monitoring in reheating furnaces, annealing ovens, and sintering plants.
- Power Generation: Boiler, superheater, and exhaust gas temperature monitoring in coal-fired and gas-fired power stations.
- Cement & Kiln Operations: High-temperature sensing in rotary kilns and clinker coolers.
- Petrochemical Refining: Process heater and reformer temperature control in harsh environments.
- Heavy Industrial OEM: Core material for manufacturing robust, long-life thermocouple probes for industrial machinery.
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