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Type K Chromel-Alumel Thermocouple Strip 0.25×4.0mm High-Durability Rolled Alloy Tape for Heavy Load Industrial Temperature Probe
| Place of Origin | Shanghai |
|---|---|
| Brand Name | Huona |
| Certification | ISO 9001 |
| Model Number | Type K |
| Minimum Order Quantity | 5KG |
| Price | Negotiable |
| Packaging Details | Carton/Wooden Case |
| Delivery Time | 5-21 days |
| Payment Terms | L/C,T/T,Western Union |
| Supply Ability | 500 tons per month |
Product Details
| Thermocouple Type | Type K (Chromel Positive + Alumel Negative Standard Pair) | Standard Dimension | 0.25mm (Thickness) × 4.0mm (Width) |
|---|---|---|---|
| Custom Size Range | Thickness: 0.08–0.8mm; Width: 2.0–15mm | Surface Treatment | Stress-Relief Annealed, Mirror Polished, Edge Deburred |
| Operating Temperature | -190°C ~ 1300°C (Dry Oxidizing Industrial Environments) | Alloy Composition | Positive: Chromel (Nickel-Chromium); Negative: Alumel (Nickel-Silicon-Manganese) |
| Measurement Accuracy | IEC Standard Grade 1 Thermoelectric Tolerance | Processing Performance | High Tensile Strength, Weldable, Stampable, Resistant To Stretch And Fracture |
| Highlight | Type K Chromel-Alumel thermocouple strip,Flat thermocouple strip for industrial probes,High-durability rolled alloy tape thermocouple |
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Product Description
Product Overview
This heavy-duty Type K Chromel-Alumel flat thermocouple strip manufactured by Huona is a robust alloy raw material engineered for continuous high-load industrial temperature measurement tasks. Formulated with precisely matched Chromel positive and Alumel negative thermocouple alloys, the strip undergoes heavy-gauge precision rolling and stress-relief annealing processes, delivering rigid dimensional consistency, mirror reflective surface finish, exceptional tensile strength and steady thermoelectric response. Built to withstand long-duration high-temperature cyclic operation, it is ideal for fabricating thick-profile contact thermocouples, furnace wall temperature fixtures and heavy machinery thermal monitoring parts that demand outstanding structural stability and long service cycles.
Core Specifications
Product Name: Type K Chromel-Alumel Heavy-Duty Flat Thermocouple Strip
Conductor Material: Positive (Chromel / KP Ni-Cr Alloy) / Negative (Alumel / KN Ni-Si-Mn Alloy)
Processing Technology: Heavy gauge precision rolling + stress-relief annealing + edge deburring finishing
Standard Specification: 0.25mm Thickness × 4.0mm Width
Customizable Size Range: Thickness 0.08–0.8mm, Width 2.0–15mm
Surface Condition: High-gloss reflective metallic surface, fully deburred edges, no surface pits or unevenness
Thermoelectric Performance: Fully calibrated to global Type K thermocouple standards, consistent thermal voltage output across full temperature span
Operating Temperature Range: -190°C ~ 1300°C (continuous use under dry oxidizing industrial conditions)
Standards Compliance: IEC 60584-3, GB/T 4989, RoHS 2.0, REACH environmental compliance standards
Key Differentiating Advantages
1. Rigorously Calibrated Chromel-Alumel Alloy Matching
This flat thermocouple strip adopts industrial standard dual alloy pairing with strict elemental composition control. Every batch undergoes independent thermoelectric calibration to guarantee linear temperature signal output, drastically reducing measurement offset during long-term monitoring. Uniform alloy microstructure eliminates performance variance between production runs, supporting standardized mass production of heavy-duty industrial thermocouple probes.
2. Outstanding High-Temperature Anti-Corrosion & Anti-Scaling Properties
The optimized alloy matrix delivers strong resistance to high-temperature oxidation and dry atmospheric erosion. Under sustained medium-to-high heat operation, it inhibits thick oxide scale formation that would degrade sensing precision, lowering maintenance replacement frequency for industrial furnace and heat treatment line temperature assemblies.
3. Reinforced Tensile Strength & Heavy-Duty Machinability
Stress-relief annealing balances rigidity and ductility, granting the strip superior tensile resistance against stretching or breakage. It supports heavy forming operations including deep stamping, repeated bending and welding without cracking or internal fracture. The wider, thicker flat profile creates larger contact area with measured surfaces to capture more responsive temperature readings.
4. Strict Rolled Dimensional Uniformity & Premium Surface Quality
Closed-loop heavy rolling and full edge deburring production lines deliver ultra-narrow thickness and width tolerance. The mirror bright surface removes surface impurities that hinder thermal conduction, while smooth rounded edges prevent scratching of fitting surfaces during assembly. Consistent flatness eliminates signal distortion caused by uneven contact pressure.
5. Broad Industrial Working Condition Compatibility
This Chromel-Alumel flat alloy tape boasts excellent thermal shock resistance, performing reliably through frequent rapid temperature rises and drops. It retains stable mechanical and thermoelectric properties in harsh dry factory environments, acting as a durable core material for uninterrupted industrial automatic temperature monitoring systems.
Technical Specifications Table
| Attribute | Typical Specification |
|---|---|
| Thermocouple Type | Type K (Chromel Positive + Alumel Negative Standard Pair) |
| Standard Dimension | 0.25mm (Thickness) × 4.0mm (Width) |
| Custom Size Range | Thickness: 0.08–0.8mm; Width: 2.0–15mm |
| Surface Treatment | Stress-Relief Annealed, Mirror Polished, Edge Deburred |
| Operating Temperature | -190°C ~ 1300°C (Dry Oxidizing Industrial Environments) |
| Alloy Composition | Positive: Chromel (Nickel-Chromium); Negative: Alumel (Nickel-Silicon-Manganese) |
| Measurement Accuracy | IEC Standard Grade 1 Thermoelectric Tolerance |
| Processing Performance | High tensile strength, weldable, stampable, resistant to stretch and fracture |
Supply & Packaging Standard
Supply Form: Continuous flat strip tightly wound onto heavy-duty industrial plastic spools; full-length standard reels and custom cut-to-length segments both available
Packaging: Vacuum-sealed moisture & oxidation resistant packaging with foam shock cushioning, optimized for cross-border export shipping and long-term dry warehouse storage
MOQ: 1 full spool for prototype sample testing; large volume bulk supply available for sensor manufacturers, heat treatment equipment factories and industrial automation system suppliers
Customization Service: Tailor strip thickness, width, reel loading weight, surface gloss level and alloy tolerance to match customer heavy-duty production and temperature testing requirements
Typical Application Scope
High-Temperature Furnace Monitoring: Wall-mounted and surface contact temperature sensing for industrial heat treatment furnaces, ceramic kilns and continuous drying ovens.
Heavy-Duty Industrial Probe Manufacturing: Primary raw material for thick, long-life contact Type K thermocouple sensors used in metal processing and large thermal machinery.
Automation Production Line Thermal Tracking: Stable temperature monitoring for heavy-duty automated heating equipment, extrusion machinery and metal forming devices.
Industrial Material Thermal Testing: Durable temperature sensing components for high-load material performance testing and factory calibration equipment.
Wide-Range Dry Thermal Environments: Temperature detection solutions for low-temperature cold treatment chambers up to high-temperature industrial processing equipment.
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