Business Description

Precision Capillary Seamless Tube
Capillary tube is a special, precise and high-quality round metal tube made by fine rolling and fine drawing. It usually refers to the tube under OD6.0mm. It is divided into capillary seamless tube and capillary welded and cold drawn tube. Generally speaking, compared with welding cold-drawn tube, capillary seamless tube has higher and stricter requirements on manufacturing conditions, process, detection, inspection, performance, shape and dimensional accuracy control, and is more suitable for high-end, precision and harsh conditions of the application.

Ultra Thin Wall Seamless Tube
Thin wall & ultra thin wall seamless tube refer to the ratio of wall thickness and outer diameter less than 6% seamless tube. They are generally formed by intermediate annealing and multi-pass cold rolling of two or three high mills. Small outer diameter can be obtained by reducing the wall drawing process. According to customer's special surface requirements, the tubes can be polished by different processes.

Micro ID Thick Wall Seamless Tube
Micro ID thick wall seamless tube is a small caliber non-standard tube. It is generally made by finishing rolling, fine drawing or other special processes, with distinctive features of high bearing capacity and high strength, suitable for gas transmission, oil transmission or other special purposes which usually have high internal pressure and high strength.

Precision Conical Seamless Tube
At present, most of the conical tubes on the market are welded tube, heat expansion tube or extruded tube. Welded conical tube is made by CNC precision cutting and cold pressing of metal sheet. Seamless conical steel pipe is a conical hollow round pipe with different diameters at both ends made of seamless steel pipe as raw material.

HP/UHP Bright Tube
HP/UHP BA+ tube generally refers to BA tube, EP tube and MP tube, mainly used in pure gas and liquid pipeline system with high clean and ultra-pure requirements, to ensure the high purity and stability of transmission medium. Due to semiconductors, integrated circuits, Biological pharmacy, food and beverage, laboratory, fine chemical industry and automobile industry having strict requirements on the work environment of ultra clean, high reliability and resistance to corrosion and so on, so the pure medium (gas and liquid) pipeline generally emphasize surface roughness and cleanliness, to suppress the particle generation and accumulation retention.

Profiled Seamless Tube
Special-shaped steel pipe refers to the steel pipe with other cross section shapes besides the round pipe, including seamless pipe and welded pipe. According to the different shape and size of steel pipe section, special-shaped steel pipe can be divided into non-circular cross-sectional profile, equal wall thickness, variable wall thickness, variable diameter and wall thickness along the length direction, symmetrical and asymmetric cross-section one.
Precision Seamless Tube
Small caliber precision seamless tube is a kind of seamless tube made by cold rolling, cold drawing or cold drawing + cold rolling joint process of high precision, its manufacturing process is a journey according to a series of different size requirements to start with seamless extrusion, after many times of diameter reduction and wall reduction, until the precise specifications to meet customer requirements.

Bourdon Tube
Bourdon tube is an elastic sensitive element that uses the bending change or torsional deformation of the tube to measure pressure, also known as the spring tube. One end of the Bourdon tube is fixed and the other end is movable. The section shape of the Bourdon tube is oval or flat. The pipe with non-circular section gradually expands into a circle under the action of internal pressure. At this time, the movable end produces a displacement which is related to the pressure. The active end drives the pointer to indicate the size of the pressure. The most commonly used Bourdon tube is C shaped, in addition to spiral type, type C combination, twist type and other types.

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