Radiant Tube

Radiant tubes are an essential component of various industrial heating systems. They are designed to provide high-temperature heat transfer in processes such as heat treatment, metal melting, and industrial furnaces. These tubes play a crucial role in transferring heat efficiently and uniformly to the surrounding environment.

Radiant tubes are typically made of high-quality materials capable of withstanding extreme temperatures and corrosive environments. Common materials used include stainless steel, heat-resistant alloys, and ceramics. The design of radiant tubes varies depending on the specific application and operating conditions.

The tubes are often manufactured with a loop-shaped configuration, allowing for efficient heat transfer and uniform distribution. Depending on the requirements, single-ended or double-ended radiant tubes may be used. In double-ended tubes, the combustion gases flow through one end while exhaust gases exit from the other, thereby maximizing heat transfer efficiency.

Radiant tubes find applications across a wide range of industries, including:

Heat treatment: They are extensively used in annealing, tempering, stress relieving, and other heat treatment processes.

Metal melting and casting: Radiant tubes are employed in various types of foundries for melting and casting metals such as iron, steel, and aluminum.

Industrial furnaces: They are utilized in different types of industrial furnaces, such as reheating furnaces, forging furnaces, and heat recovery units.

Manufacturing Processes

Centrifugal casting + assembly + welding + machining

ANSI, ASTM, ASME, DIN, GB

Materials: HU, HT, HK, HP, HW, HH 24/24NbTiZr, 50Cr/50Ni (2.4813), 1.4865, 1.4849, 1.4848, 1.4410, 1.4059, 1.4841, 1.4845, 1.4852, 2.4879 or according to customer's requirements.

Chemical composition inspection + Dye penetrant inspection + Dimensional inspection + Visual inspection

The most generally used methods of testing given below:

Melting thermometer
Spectral analyzer
Metallographic microscope
Electronic testing machine
Rockwell hardness tester
Roughness meter
Digital temperature controller

Our extensive professional experience spanning over 30 years, coupled with our ongoing research and development efforts, positions us to provide exceptional custom design and engineering advice.

At our company, we exclusively utilize new raw materials such as nickel plate, chrome iron, cobalt, and ferrotungsten for the production of our castings. This commitment ensures that our products possess superior physical properties and enjoy an extended service life.

To maintain the highest quality standards, we have our own in-house production and inspection facilities. This enables us to closely monitor each stage of the manufacturing process and ensure that our products meet the most stringent quality requirements.

Furthermore, we take pride in our team of experienced workers who specialize in foundry operations, machining, and welding. Their expertise guarantees excellent craftsmanship and allows us to uphold our commitment to delivering products of outstanding quality within the agreed-upon timeframes.

Precision machining

Shaping machine, vertical milling machines, Horizontal lathes, Boring machines, turning machine, Deep hole drilling and boring machines, CNC machining center and etc.

Box made of plywood and solid wood, or a solid wood fumigation free wooden box or according to buyers’ request.

According to the quantity of the P.O. usually 30 - 45 days after the order confirmed.

1 year warranty for all kinds of products except wearing parts.

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