Heat Treatment of Cold-Drawn Special-Shaped Steel Tubes

These tubes typically possess high strength, good toughness, and excellent thermal conductivity, making them suitable for transferring heat in such applications.

Cold drawing

Cold drawing

Seamless cold-drawn low carbon steel tubes for use in heat exchangers and condensers" refers to tubes specifically designed for the manufacturing of heat exchangers and condensers. These tubes typically possess high strength, good toughness, and excellent thermal conductivity, making them suitable for transferring heat in such applications.

These tubes undergo a cold-drawing process to ensure precise dimensions and a smooth surface finish. The choice of low carbon steel is often due to its excellent workability, high weldability, and suitability for a range of temperature and pressure conditions.

When using these tubes, it is crucial to ensure compliance with relevant industry standards and specifications to meet the specific requirements of the application. This may include adherence to standards regarding chemical composition, mechanical properties, dimensional accuracy, and corrosion resistance.

Seamless tube processing

With years of expertise, we provide a diverse array of steel tube processing options. From sawing and machining tube blanks to intricate bending and upsetting operations, we actively assist you throughout your projects.

Our capabilities extend to eccentricity reduction and concentricity enhancement through turning and grinding. We excel in creating complex geometries using processes like rotary swaging and axial forming. Additionally, we offer property modifications via partial heat treatment, ensuring tailored solutions for your specific needs.

Variable wall thicknesses

Variable wall thicknesses

Drilling / stamping / lasering

Drilling / stamping / lasering

Peeling / roller burnishing

Peeling / roller burnishing

Cold forming

Cold forming

Cutting

Cutting

Beveling

Beveling

Deburring

Deburring

Thread rolling / threading

Thread rolling / threading

Partial hardening

Partial hardening

Turning / milling / grinding

Turning / milling / grinding

Reducing / expanding

Reducing / expanding

Machining

Machining

【H】 Ceramic lined pipe

Ceramic lined pipe is made through self-propagating high-temperature synthesis (SHS) technique.

【H】 Cast basalt lined steel pipe

Cast basalt lined steel pipe is composed by lined with cast basalt pipe, outside steel pipe and cement mortar filling between the two layers.

【H】 Ceramic Tile Lined Pipes

Ceramic tile lined pipes have very uniform coating of specially formulated ceramic material that is affixed to the inner of the pipe.

【H】 Rare earth alloy wear-resistant pipe

The material of the rare earth alloy wear-resistant pipe is ZG40CrMnMoNiSiRe, which is also the grade of rare earth alloy steel.

【H】 Tubes Erosion Shields

Tubes Erosion Shields are used to protect boiler tubing from the highly erosive effects of high temperatures and pressures thereby greatly extending tube life.

【H】 ASTM A213 T91 Alloy Tube

The ASTM A213 T91 seamless tubes are primarily used for boiler, superheater, and heat-exchanger.

Ni-Hard Wearback Pipes Ni-Hard Wearback Pipes
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