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Type J Iron-Constantan Thermocouple Strip 0.18×2.8mm Cost-Effective Annealed Alloy for Medium-Low Temperature Sensing

Lugar de origen	Llevar a la fuerza
Nombre de la marca	Huona
Certificación	ISO 9001
Número de modelo	Tipo j
Cantidad de orden mínima	5 kilos
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

Tipo de termopar	Tipo J (par estándar positivo de hierro + negativo de constanten)	Rango de tamaño personalizado	Espesor: 0,06–0,7 mm; Ancho: 1,2–11 mm
Tratamiento superficial	Suave alivio de tensión recocido, pulido brillante, borde desbarbado, envuelto en película por carre	Temperatura de funcionamiento	0°C ~ 750°C (ambientes secos no oxidativos de temperatura media-baja)
Composición de aleación	Positivo: Hierro puro; Negativo: Aleación Constantan Cu-Ni	Precisión de medición	Tolerancia termoeléctrica estándar IEC Grado 2
Rendimiento de procesamiento	Ultraflexible, fácil de doblar/estampar, baja tensión residual, sin fracturas después de un conforma
Resaltar	Type J thermocouple strip for industrial sensing , Iron-Constantan thermocouple alloy tape , Flat thermocouple strip with warranty

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Descripción de producto

Product Overview

This economical Type J Iron-Constantan flat thermocouple strip is independently produced by Huona for medium and low-temperature industrial temperature measurement scenarios. It adopts strictly matched Iron positive conductor and Constantan negative conductor alloy pair, processed via medium-thickness precision rolling and soft stress-relief annealing craft. The flat strip features consistent dimensional tolerance, bright scratch-resistant metallic surface and stable thermoelectric output under 0~750°C working range. Delivered in multiple plastic spools fully wrapped with transparent protective film as shown in the picture, the packaging effectively isolates dust and oxidation during transit, perfectly suited for mass production of medium-temperature contact sensors, machinery surface temperature probes and cost-controlled thermal monitoring components for general manufacturing workshops.

Core Specifications

Product Name: Type J Iron-Constantan Cost-Effective Flat Thermocouple Strip

Conductor Material: Positive (Iron) / Negative (Constantan Copper-Nickel Alloy)

Processing Technology: Medium thickness precision rolling + soft stress-relief annealing + full edge deburring

Standard Specification: 0.18mm Thickness × 2.8mm Width

Customizable Size Range: Thickness 0.06–0.7mm, Width 1.2–11mm

Surface Condition: Bright silver metallic finish, smooth rounded edges, full transparent anti-scratch film wrapping per spool

Thermoelectric Performance: Fully calibrated to international IEC Type J thermocouple standards, steady thermal voltage at medium-low temperature intervals

Operating Temperature Range: 0°C ~ 750°C (continuous stable use in dry non-oxidative industrial environments)

Standards Compliance: IEC 60584-2, GB/T 4989, RoHS 2.0, REACH eco-friendly material standards

Key Differentiating Advantages

1. Standard Iron-Constantan Alloy Matching for Medium-Low Temp Sensing

This flat thermocouple strip uses classic Type J Iron-Constantan alloy combination with rigorous raw material composition control. Each production batch undergoes dedicated thermoelectric calibration to deliver highly linear signal response within its designated temperature span, effectively reducing reading deviation for routine medium-temperature detection. The mature alloy formula maintains stable performance batch after batch to lower overall production cost for sensor manufacturers.

2. Excellent Stability in Medium-Low Dry Thermal Environments

The alloy pair exhibits reliable anti-oxidation capacity under temperatures below 750°C in dry air. It avoids rapid surface rust and oxide layer buildup during long-cycle medium-temperature heating, preventing gradual loss of sensing precision and extending the service life of general-purpose industrial thermocouple probes for ovens and forming equipment.

3. Optimized Soft Annealing Balances Bendability & Structural Stability

Stress-relief soft annealing eliminates internal rolling residual stress, granting the strip outstanding pliability for tight winding, stamping and surface laminating without cracking or permanent warping. The medium thickness flat profile creates sufficient contact area for accurate thermal signal capture, while remaining flexible enough for assembly in moderately confined installation spaces.

4. Multi-Spool Film Packaging Preserves Original Surface Quality

All spools are individually sealed with transparent protective film to shield the polished strip surface from scratches, dust and air oxidation during transportation and inventory storage. Precision closed-loop rolling and slitting technology ensures ultra-uniform thickness and width across the full reel length, with smooth deburred edges that will not damage insulation sleeves during sensor encapsulation procedures.

5. High Cost-Performance for Mass General Industrial Applications

Compared with high-temperature thermocouple alloy series, this Iron-Constantan flat tape delivers reliable temperature measurement performance at a more competitive material cost. It maintains consistent mechanical and thermoelectric properties through frequent medium-low temperature cycling, serving as an economical core material for daily factory thermal monitoring and routine equipment temperature tracking.

Technical Specifications Table

Attribute	Typical Specification
Thermocouple Type	Type J (Iron Positive + Constantan Negative Standard Pair)
Standard Dimension	0.18mm (Thickness) × 2.8mm (Width)
Custom Size Range	Thickness: 0.06–0.7mm; Width: 1.2–11mm
Surface Treatment	Soft Stress-Relief Annealed, Bright Polished, Edge Deburred, Film Wrapped Per Spool
Operating Temperature	0°C ~ 750°C (Dry Medium-Low Temperature Non-Oxidative Environments)
Alloy Composition	Positive: Pure Iron; Negative: Constantan Cu-Ni Alloy
Measurement Accuracy	IEC Standard Grade 2 Thermoelectric Tolerance
Processing Performance	Ultra-pliable, easy to bend/stamp, low residual stress, no fracture after repeated forming

Supply & Packaging Standard

Supply Form: Continuous flat alloy strip evenly wound on industrial plastic spools, supplied in multi-spool sets as displayed; standard full-length reels and custom cut-to-length segments both available

Packaging: Individual transparent anti-scratch film wrapping for each spool + collective moisture-proof shockproof outer carton packaging, designed for bulk cross-border shipment and long-term dry warehouse storage

MOQ: 2 wrapped spools for prototype trial runs; large-volume bulk supply for general sensor factories, light industry equipment manufacturers and workshop testing labs

Customization Service: Customizable strip thickness, width, single spool loading weight, annealing softness and packaging quantities according to mass production and cost-control project demands

Typical Application Scope

Medium-Low Temperature Patch Thermocouple Production: Core raw material for cost-effective surface contact Type J temperature sensing probes for light industry machinery.

General Oven & Drying Equipment Monitoring: Stable temperature tracking for baking ovens, textile drying lines and plastic forming medium-temperature machinery.

Mechanical Equipment Surface Thermal Detection: Real-time temperature monitoring for metal processing lathes, extrusion devices and automated assembly line heating modules.

Workshop Conventional Thermal Testing: Budget-friendly sensing components for routine material thermal performance analysis and factory calibration benches.

Cost-Optimized Industrial Thermal Systems: Medium-temperature measurement solutions for food processing gear, packaging heating equipment and non-high-temperature automated production facilities.

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