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Huona Type K Thermocouple Mineral Insulated (MI) Cable 3.0mm Diameter, SS316

China Huona Type K Thermocouple Mineral Insulated (MI) Cable 3.0mm Diameter, SS316

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Huona Type K Thermocouple Mineral Insulated (MI) Cable 3.0mm Diameter, SS316

MOQ： 10KG
Price： Negotiable
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Payment Terms	L/C,T/T,Western Union
Supply Ability	500 tons per month
Delivery Time	5-21 days
Packaging Details	Carton/Wooden case
Grade	Type K
Sheath Material	316 Stainless Steel
Insulation Material	Magnesium Oxide (MgO)
Standard Diameter	3.0mm (±0.05mm)
Core Configuration	2-core
Standard Length	100m/coil
Accuracy Class	IEC Class 1
Continuous Operating Temp	-200°C ~ 1100°C
Brand Name	Huona
Model Number	Type K
Certification	ISO9001
Place of Origin	Shanghai

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Product Details
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Product Specification


Payment Terms	L/C,T/T,Western Union	Supply Ability	500 tons per month
Delivery Time	5-21 days	Packaging Details	Carton/Wooden case
Grade	Type K	Sheath Material	316 Stainless Steel
Insulation Material	Magnesium Oxide (MgO)	Standard Diameter	3.0mm (±0.05mm)
Core Configuration	2-core	Standard Length	100m/coil
Accuracy Class	IEC Class 1	Continuous Operating Temp	-200°C ~ 1100°C
Brand Name	Huona	Model Number	Type K
Certification	ISO9001	Place of Origin	Shanghai

Type K Thermocouple Mineral Insulated (MI) Cable – 3.0mm Diameter, SS316 Sheath

Product Overview

This Type K mineral insulated (MI) thermocouple cable from Huona is a robust, fully enclosed temperature sensing solution, engineered for high-temperature, high-pressure, and vibration-intensive industrial environments. Constructed with a Type K thermocouple core (KP/KN Chromel/Alumel), high-purity magnesium oxide insulation, and a durable 316 stainless steel sheath, this cable offers unparalleled mechanical strength, chemical resistance, and long-term stability. Unlike bare thermocouple wires, the MI construction protects the sensing element from contamination, oxidation, and physical damage, making it ideal for demanding applications in power generation, petrochemical, and metal processing industries.

Core Specifications

Product Name: Type K Mineral Insulated (MI) Thermocouple Cable
Thermocouple Grade: Type K (KP Chromel / KN Alumel)
Sheath Material: 316 Stainless Steel (SS316)
Insulation Material: High-purity Magnesium Oxide (MgO)
Standard Diameter: 3.0mm (customizable: 1.0–6.0mm)
Core Configuration: 2-core (KP/KN)
Standard Length: 100m/coil (custom cut lengths available)
Tolerance: Diameter ±0.05mm
Accuracy Class: IEC Class 1 (±1.5°C or ±0.4% of reading, whichever is greater)
Continuous Operating Temperature: -200°C ~ 1100°C (SS316 sheath)
Maximum Short-Term Temperature: 1150°C
Standards Compliance: IEC 60584-1, ASTM E230, GB/T 30427, RoHS 2.0

Key Differentiating Advantages

1. Rugged, Contamination-Resistant Construction

The hermetically sealed SS316 sheath and high-purity MgO insulation create a barrier against moisture, gases, and corrosive environments. This eliminates the risk of thermocouple drift caused by contamination, ensuring consistent, accurate readings even in harsh industrial conditions.

2. Excellent Mechanical Strength & Flexibility

The stainless steel sheath provides exceptional tensile strength, crush resistance, and vibration tolerance, making the cable suitable for installation in high-vibration equipment, furnaces, and pipelines. It also offers good flexibility, allowing for easy bending and forming around complex geometries.

3. Stable Performance at High Temperatures

The MI construction prevents oxidation of the thermocouple wires, extending service life compared to bare wires at temperatures above 800°C. The MgO insulation maintains its dielectric strength at high temperatures, ensuring reliable electrical isolation between the thermocouple core and the sheath.

4. Versatile Sheath Material Options

While this standard grade uses SS316, we also offer optional sheath materials such as Inconel 600 or 310S for higher temperature (up to 1260°C) or more corrosive environments, providing tailored solutions for specific application requirements.

5. Simplified Probe Fabrication

The cable can be easily cut, bent, and terminated on-site to create custom thermocouple probes with various junction types (grounded, ungrounded, exposed), making it highly versatile for different installation needs.

Technical Specifications Table

Attribute	Typical Specification
Thermocouple Type	Type K (KP/KN)
Sheath Material	316 Stainless Steel
Insulation Material	Magnesium Oxide (MgO)
Standard Diameter	3.0mm (±0.05mm)
Core Configuration	2-core
Standard Length	100m/coil
Accuracy Class	IEC Class 1
Continuous Operating Temp	-200°C ~ 1100°C
Dielectric Strength	≥500V DC (room temperature)
Insulation Resistance	≥1000 MΩ·cm (room temperature)
Bending Radius	5x cable diameter

Supply & Packaging Standard

Supply Form: Continuous coils of MI thermocouple cable, available in standard lengths or custom cut-to-size pieces
Packaging: Coils are protected with anti-rust paper and sealed in moisture-proof plastic packaging, suitable for export
MOQ: 1 coil (sample order); bulk quantities available for industrial OEMs
Customization: Diameter, length, sheath material (SS316/Inconel 600/310S), and core configuration (2/4-core) available upon request

Typical Application Scenarios

Power Generation: Boiler, turbine, and exhaust gas temperature monitoring in coal-fired and gas-fired power plants.
Petrochemical & Refining: Temperature measurement in reactors, furnaces, and pipelines handling corrosive fluids.
Metal Processing: High-temperature sensing in steel reheating furnaces, annealing ovens, and continuous casting lines.
HVAC & Building Automation: Temperature control in industrial ovens, kilns, and process heating equipment.
Aerospace & Defense: Thermal testing and monitoring in high-temperature engine components and industrial furnaces.

Company Details

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Business Type:

Manufacturer,Exporter 
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Year Established:

2008 
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Total Annual:

8000000-100000000
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Employee Number:

100~120 
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Ecer Certification：

Verified Supplier 

Huona (Shanghai) New Material Co., Ltd. Was established in 2008, currently have three divisions: Magnesium Division, Thermal Spray Division and Functional Material Division.Magnesium Division produces magnesium metal products. Various models of high-quality magnesium alloy plate, magnesium rods, hig... Huona (Shanghai) New Material Co., Ltd. Was established in 2008, currently have three divisions: Magnesium Division, Thermal Spray Division and Functional Material Division.Magnesium Division produces magnesium metal products. Various models of high-quality magnesium alloy plate, magnesium rods, hig...

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