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Type J Iron-Constantan Thermocouple Strip 0.10×1.8mm Ultra-Thin for Precision Low & Medium Temp Sensing with Micro Forming

Lieu d'origine	Shanghai
Nom de marque	Huona
Certification	ISO 9001
Numéro de modèle	Type J
Quantité de commande min	5 kg
Prix	Négociable
Détails d'emballage	carton/caisse en bois
Délai de livraison	5-21 jours
Conditions de paiement	LC, T/T, Western Union
Capacité d'approvisionnement	500 tonnes par mois

Détails sur le produit

Type de thermocouple	Type J (paire de correspondance positive en fer de haute pureté + paire négative Constantan Cu-Ni)	Dimension standard	Épaisseur : 0,04 à 0,38 mm ; Largeur : 0,7 à 7,5 mm
Gamme de tailles personnalisées	Épaisseur : 0,04 à 0,38 mm ; Largeur : 0,7 à 7,5 mm	Traitement de surface	Recuit entièrement doux à faible contrainte, poli miroir, bords fins, sans film protecteur
Température de fonctionnement	-40°C ~ 700°C (environnements industriels secs et à faible oxydation)	Composition en alliage	Positif : Fer raffiné de haute pureté ; Négatif : alliage cuivre-nickel Constantan
Précision des mesures	Tolérance thermoélectrique standard CEI Grade 2	Performances de traitement	Ultra-doux à faible contrainte résiduelle, pliable à micro-rayons, sans fissures après microformage
Mettre en évidence	Ultra-Thin Type J Thermocouple Strip , Low & Medium Temp Sensing Thermocouple Tape , Precision Micro Forming Flat Thermocouple Alloy

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Description de produit

Product Overview

This ultra-thin Type J Iron-Constantan flat thermocouple strip developed by Huona is lightweight precision alloy material targeted at compact low-to-medium temperature measurement components. It adopts fully matched pure iron positive and copper-nickel constantan negative alloy pair, manufactured through micro-thin precision rolling and low-residual-stress full soft annealing technology. The strip features ultra-slim uniform cross-section, high-gloss flawless metallic surface, excellent pliability and stable thermoelectric signal output within its rated temperature scope. Neatly wound on solid white single industrial spools without outer plastic film wrapping as shown in the picture, it delivers convenient unwinding and processing, specially made for mini patch temperature sensors, built-in micro thermal detection inserts and compact light-duty heating equipment temperature monitoring parts that prioritize slim size and stable cost performance.

Core Specifications

Product Name: Type J Iron-Constantan Ultra-Thin Light-Duty Flat Thermocouple Strip

Conductor Material: Positive (High Purity Iron) / Negative (Constantan Cu-Ni Thermocouple Alloy)

Processing Technology: Micro-thin precision cold rolling + low-stress full soft annealing + fine edge trimming treatment

Standard Specification: 0.10mm Thickness × 1.8mm Width

Customizable Size Range: Thickness 0.04–0.38mm, Width 0.7–7.5mm

Surface Condition: High-gloss mirror silver metallic finish, burr-free smooth edges, no surface protective film

Thermoelectric Performance: Precisely batch-calibrated to IEC Type J international standards, consistent thermal voltage output under variable light cyclic temperature changes

Operating Temperature Range: -40°C ~ 700°C (continuous stable service under dry low-oxidation industrial working environments)

Standards Compliance: IEC 60584-1, GB/T 4989, RoHS 2.0, REACH non-hazardous material certification

Key Differentiating Advantages

1. Purified Iron-Constantan Alloy Matching for Low-Medium Temp Linear Signals

This ultra-thin flat strip adopts low-impurity refined iron and standard constantan raw materials, with strict single-to-pair thermoelectric matching for every production batch. It presents smooth linear thermoelectric response from sub-zero up to 700°C, effectively cutting measurement deviation for miniature sensing assemblies. The mature low-cost alloy formula maintains steady performance between batches to lower overall raw material expenditure for mini-sensor mass production.

2. Mild Anti-Oxidation Performance for Low & Medium Dry Thermal Scenarios

Refined grain microstructure enhances the alloy’s anti-rust and anti-oxidation capability under temperatures below 700°C dry air conditions. It slows down surface oxide film accumulation during frequent mild heating-cooling cycles, avoiding gradual signal attenuation and extending the service life of small built-in temperature probes for light industrial and electronic heating devices.

3. Ultra-Soft Low-Stress Texture for Miniature Precision Machining

Full soft annealing completely eliminates internal rolling tension, granting the strip ultra-high flexibility to support ultra-small radius winding, micro stamping and ultra-fine cutting without cracking, rebounding or fracturing. Its slim flat profile fits narrow internal gaps of compact equipment and closely fits curved small surfaces to capture sensitive, accurate temperature feedback in limited assembly space.

4. Micron-Level Uniform Dimension & Bare Spool Easy Processing Design

Advanced micro-slitting and constant-pressure rolling equipment achieves ultra-tight width and thickness tolerance across the whole spool length. The mirror polished smooth surface reduces thermal contact resistance during temperature collection, and bare spool design without wrapping film saves pre-processing stripping steps, improving production efficiency for sensor manufacturers. Smooth trimmed edges eliminate risk of scratching thin insulation layers during encapsulation.

5. Ideal Cost-Efficiency for Light-Duty Miniature Thermal Monitoring

Compared with high-temperature thermocouple alloy grades, this Iron-Constantan ultra-thin tape balances reliable sensing precision and economical raw material cost. It retains stable mechanical and thermoelectric properties through repeated light temperature fluctuation cycles, acting as an optimal core raw material for portable test instruments, small heating modules and compact automated equipment temperature tracking parts.

Technical Specifications Table

Attribute	Typical Specification
Thermocouple Type	Type J (High Purity Iron Positive + Constantan Cu-Ni Negative Matching Pair)
Standard Dimension	0.10mm (Thickness) × 1.8mm (Width)
Custom Size Range	Thickness: 0.04–0.38mm; Width: 0.7–7.5mm
Surface Treatment	Low-Stress Full Soft Annealed, Mirror Polished, Fine Edge Trimmed, No Protective Film
Operating Temperature	-40°C ~ 700°C (Dry Low-Oxidation Light-Duty Industrial Environments)
Alloy Composition	Positive: Refined High-Purity Iron; Negative: Copper-Nickel Constantan Alloy
Measurement Accuracy	IEC Grade 2 Standard Thermoelectric Tolerance
Processing Performance	Ultra-soft low residual stress, bendable at micro radii, crack-free after precision micro forming

Supply & Packaging Standard

Supply Form: Continuous ultra-thin flat strip evenly and tightly wound on sturdy single white industrial plastic spools, bare spool delivery without wrapping film; standard full-length reels and custom small fixed-length cutting orders are both acceptable

Packaging: Individual dust-proof sealed outer bag for each bare spool with shock-absorbing buffer padding, suitable for lightweight cross-border logistics and clean dry long-term warehouse storage

MOQ: 1 single bare spool for prototype small-batch trial manufacturing; large-volume bulk supply for miniature sensor factories, electronic component producers and compact laboratory testing equipment suppliers

Customization Service: Customizable strip thickness, narrow width range, single spool winding weight, annealing softness and dimensional precision tolerance to meet miniature sensor assembly and light-duty temperature testing personalized demands

Typical Application Scope

Miniature Flat Patch Thermocouple Production: Core raw material for ultra-thin surface contact Type J temperature probes applied to compact electronic heating assemblies.

Portable Laboratory Mini Thermal Test Gear: Low-cost high-precision temperature sensing inserts for desktop small thermal analysis instruments and mini test chambers.

Small Electronic Heating Core Monitoring: Built-in temperature detection components for tiny heating modules, semiconductor low-temperature thermal test fixtures.

Light Industry Compact Drying Equipment: Real-time temperature tracking for desktop baking machines, small textile drying equipment and miniature plastic forming heating devices.

Narrow-Gap Built-In Thermal Detection: Custom slim temperature measurement parts for confined internal cavities of automation micro equipment and curved small-surface contact monitoring.

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