This High frequency ERW pipe welding machine tube mill is specialized in producing carbon round steel pipe Φ76mm-Φ219mm, and This pipe mill also is used to manufacture square steel Pipe Welding Production Line, making welded square tube 80*80mm-170*170mm. The tube mill directly forming from round tube to square pipe. Steel Pipe thickness from 3.0mm-10.0mm.
Our ACA company manufactures high speed straight seam welded steel pipe production lines. Depending on the model, Our Pipe mills can produce pipes ranging from φ12mm to φ720mm, with wall thicknesses ranging from 2.0mm to 52mm. Materials can be customized to meet user needs, and the equipment can accommodate multiple steel grades, including carbon steel (Q235B), low-alloy steel (Q345B), and pipeline steel (X70/X80). The welded pipe making machinery can comply with GB/T9711 and API 5L standards.
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The vertical steel pipe straightening machine is a metallurgical device used to straighten metal profiles, bars, pipes, wires, and so on. The main types include pressure straightening machines, balanced roller straightening machines, and inclined roller straightening equipment. The machine features a vertical setup with bidirectional drive, equipped with two sets of staggered straightening rollers that squeeze the steel pipe. Through changes in angles, the pipe undergoes continuous elastic deformation to correct bending defects. Standard models can achieve a straightening accuracy of up to ≤0.3mm/m.
Welded steel pipes are made by bending steel plates or steel strips into shape and then connecting the seams using welding. According to the welding method and usage, they can be divided into the following three types: I. ERW (Electric Resistance Welded) Steel Pipe and Tube Mill II. Spiral Welded Steel Pipe (SSAW Tube Mill) III. Other special welded steel pipes Line
Recently, the large oil and gas pipeline bending machines was made by ACA group, After on-site inspection and approval by Kazakh technicians, the pipe bender equipment was loaded and shipped to Kazakhstan.
The challenges in large-diameter longitudinal seam welded pipe production lines mainly focus on four core areas: Steel plate forming, welding, finishing, and inspection. Below, we will mainly introduce our ACA- LSAW (Longitudinal Submerged Arc Welded) pipe production line’s forming methods and technical challenges.
High-Speed & High-end ERW pipe equipment is a professional set of machinery used to produce straight seam welded pipes through high-frequency resistance welding. Take its high-precision forming and efficient welding features, ERW/HF welded tube widely applied in industries such as oil and gas transportation, municipal pipelines, and building structures.
The inner wall of the steel pipe, after shot blasting, is coated with anti-corrosion powder using an internal spraying system through hot-melt spraying. This coating machine is specialized for internal epoxy powder anti-corrosion spraying of steel pipes, mainly used for pipeline anti-corrosion processing in the petroleum, water conservancy, and municipal fields. This internal pipe spraying anti-corrosion equipment mainly includes: mobile flat car, cantilever spray rod, internal spray gun, two-component spraying system, medium-frequency heating, dust collection and recovery system, and pipe end recovery dust removal equipment.
The Anti-Corrosion Coating processing production line is used to make two layer FBE, two layer PE, three layer PE (3PE), TPEP Two layer epoxy powder coated on external steel pipe (⌀57-1220mm).
ACA Group warmly invite you attend International Tube and Pipe Trade Fair 2026, at Dusseldorf. --Exhibition date: 13-17 APRIL, 2026 --Our booth NO.: 7-D20-2
May China and the world enjoy peace and prosperity in the new year.
Our ACA company can provide complete pipeline laying machines, PipeLine crawler pipelayer with different lifting capacities according to user requirements for pipeline construction tonnage, with maximum lifting capacities ranging from 15,000 kg to 120,000 kg.
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