Tungsten Rhenium Inconel600 Thermocouple

I. Core Parameters

II. Product Features

Wide Atmosphere AdaptationThe Inconel 600 sheath has excellent oxidation and corrosion resistance, enabling stable operation in oxidizing, reducing, and neutral atmospheres, and adapting to various conventional industrial working conditions.

Medium-to-High Temperature Precision MeasurementMaximum temperature measurement up to 1600℃ with Class 0.5 accuracy, featuring small data error and strong stability to accurately capture temperature changes.

Robust and Durable StructureThe sheath is made of Inconel 600 high-temperature alloy, with high strength and vibration resistance up to 3g (10-1000Hz). It is not easy to deform or damage, suitable for long-term use in industrial equipment.

Flexible Customization AdaptationSupports customization of thermocouple wire diameter, sheath outer diameter, insertion depth, and junction box type (ordinary/explosion-proof type) to meet different equipment installation and temperature measurement needs.

Long Service Life DesignThe Inconel 600 sheath has excellent high-temperature oxidation and corrosion resistance. Combined with low-drift tungsten-rhenium alloy wire, the service life is ≥800 hours under 1600℃ working conditions, far exceeding ordinary alloy sheathed thermocouples.

Easy InstallationAdopts an integrated armored structure with a compact size, supporting multiple installation methods such as flange, thread, and welding to adapt to different equipment interfaces.

III. Related Component Specifications

IV. Application Scenarios

Core Application Fields

Metallurgical Industry: Medium-to-high temperature monitoring of steel plant heating furnaces, non-ferrous metal smelting furnaces, and powder metallurgy sintering furnaces;

Chemical Industry: Temperature measurement under corrosive working conditions such as chemical reactors, cracking furnaces, and catalytic devices;

Mechanical Manufacturing: Temperature control and monitoring of industrial kilns, heat treatment furnaces, and welding equipment;

Energy and Power: Temperature measurement in medium-to-high temperature areas of boilers, steam turbines, and thermal pipelines;

Building Materials Industry: Temperature monitoring of glass melting furnaces, ceramic sintering furnaces, and cement rotary kilns.

Typical Cooperative Customers

Industrial enterprises and research institutions including Baowu Steel, China National Building Materials Group, Wanhua Chemical, SPIC, China Huaneng Group, NAURA Technology, CISRI, Kirovgrad Hard Alloys Plant, and ELKAT ELECTRONICS.

V. Product Advantages

Excellent Sheath PerformanceThe Inconel 600 high-temperature alloy sheath has stronger oxidation and corrosion resistance than ordinary stainless steel sheaths, with a service life extended by more than 3 times in complex atmospheres, adapting to harsher working conditions.

Precision, Stability, and DurabilityClass 0.5 high precision + ≥800 hours long service life, reliable data, low maintenance frequency, and reduced operating costs.

Outstanding Cost-EffectivenessCompared with precious metal thermocouples, the procurement cost is reduced by more than 40%, with performance comparable to high-end alloy thermocouples, showing significant comprehensive cost advantages.

Strong Customization CapabilitySupports full-dimensional customization of wire diameter, sheath specification, insertion depth, and installation method. Sample delivery can be completed in 7 days at the fastest.

Complete Certification and CompliancePassed international and domestic certifications such as CE, ISO 9001, and SIL 2, which can be directly exported to major industrial countries around the world, with guaranteed compliance.

Mature and Reliable TechnologyThe company has been deeply engaged in the field of tungsten-rhenium thermocouples for many years, holding a number of patented technologies. The products have undergone long-term industrial verification with stable quality.

VI. Frequently Asked Questions (FAQs)

Q: What are the advantages of the Inconel 600 sheath compared to ordinary stainless steel sheaths?

A: Inconel 600 alloy has far better high-temperature resistance (long-term 1600℃), oxidation resistance, and corrosion resistance than ordinary stainless steel. Its service life is extended by more than 3 times in complex atmospheres, adapting to more severe working conditions.

Q: How to choose between different thermocouple types (Type C/D/E/K)?

A: Type C/D (tungsten-rhenium material) is suitable for high-temperature scenarios of 1000~1600℃; Type E/K is suitable for medium-to-low temperature scenarios of 0~1000℃. Selection can be based on temperature measurement range and precision requirements.

Q: What is the service life of the product under corrosive working conditions?

A: The Inconel 600 sheath has excellent corrosion resistance. Under chemical working conditions with moderate acid-base concentration, the service life is ≥600 hours. The specific service life needs to be evaluated based on medium concentration and temperature.

Q: Does the product support signal remote transmission?

A: Yes! It can be equipped with an explosion-proof junction box and signal converter to realize 4~20mA signal remote transmission, directly connecting to PLC, DCS, and other control systems without additional adaptation equipment.

Q: What should be noted during installation?

A: The insertion depth should not be less than 12 times the sheath diameter to avoid measurement errors; the junction box should be kept away from high-temperature areas (distance ≥30cm) to prevent terminal overheating and aging; avoid collision between the sheath and sharp objects to prevent damage.

Q: Does the product need regular calibration?

A: It is recommended to calibrate once every 6 months or after 500 hours of use. The calibration standard refers to IEC 60584, which can be completed by contacting the manufacturer or a third-party authoritative institution to ensure measurement accuracy.

VII. Usage and Maintenance Instructions

Confirm the working condition atmosphere and temperature before installation, select the corresponding thermocouple type, and avoid over-temperature or incompatible atmosphere use.

During installation, ensure the sheath is fully inserted into the measured area and fixed firmly to prevent displacement or damage caused by vibration.

Strictly distinguish positive and negative poles during wiring, ensure firm wire connection, and seal the junction box to prevent dust and moisture from entering and affecting internal components.

Regularly (every 3 months) inspect the sheath appearance and wiring terminals. Timely handle or replace if oxidation, cracks, looseness, or other issues occur.

When not in use for a long time, store the product in a dry and well-ventilated environment (humidity ≤60%RH), and cover both ends of the sheath with protective caps to avoid moisture and oxidation.

Manual Welding

Automatic Welding

Insulation Testing

Laser Marking

Warehouse Managing

Thermocouple Assemble

Vacuum Leak Detection

Surface Polishing

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