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Welded Pipe Production Line

  • boiler tubes,semless line pipe,seamless pipe manufacturers
    The company has four internationally advanced HFW and ERW welded pipe production lines, including Φ60, Φ168, Φ273, Φ660, etc., which can produce ERW steel pipes with an outer diameter of 21.3-660mm, wall thickness of 1-20mm, length of 6-18m, material S235, S355, Q345A, B , C, D, L245-L450, B-X70, with an annual production capacity of 300,000 tons. HFW/ERW products are mainly used in petroleum, natural gas, water, steam, urban gas transmission, urban pipeline network, chemical industry, electric power, steel structure and other industries.
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  • coated steel pipe suppliers,erw pipe,seamless pipe
    The factory has introduced a complete set of JCOE and HME production lines for straight seam double-sided submerged arc welded steel pipes, specializing in the production of thick-walled and large-diameter straight seam double-sided submerged arc welded steel pipes and T-shaped welded pipes. The product specifications are OD324mm-OD7000mm, wall thickness 6mm-200mm, length 3m-70m, with an annual production capacity of 500,000 tons.
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  • stainless seamless pipe,api casing pipe,semless line pipe
    Adopts continuous axis contorting J-C-O(J-ing, C-ing and O-ing)process with characteristics of high forming accuracy and efficiency as well as balanced distribution of forming stress.Which can produce straight seam welded pipe with OD: Φ356~Φ1626mm,WT:6~50mm. The main equipment such as pre-bending is provided by Tianshui forging and pressing machine. The pre-welding adopts high-power CO2 gas shielded welding and high-speed full-length pre-welding process. It adopts Lincoln multi-wire DC/AC automatic submerged arc welding machine, and is equipped with steel plate automatic flame cutting machine, steel pipe straightening machine, steel pipe finishing machine, and steel plate online manual UT flaw detection. It is mainly used for transportation pipes for petroleum, chemical, natural gas, electric power, city gas, water supply and drainage, etc. It is also widely used in construction, bridges, wharfs and other engineering fields.
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  • lsaw pipe,stainless seamless pipe,api casing pipe
    The production line is formed by "CCO" using the mandrel rolling method, and is formed by the cold expansion process after welding, and is formed by a three-roll/four-roll bending machine. It can produce straight seam welded pipes with an outer diameter of Φ324mm-Φ7000mm , wall thickness of 8mm-200mm, and a length of 3m-7m. Pre-heat treatment, and then use single wire and multi-wire for inner direct welding, outer direct welding, inner girth welding, and outer girth welding. The feature of this production line is that the product has a large wall thickness and large diameter, which can be widely used in structural pipes, such as steel structure bridges, offshore platform equipment, super-long pipe piles, etc.
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  • duplex stainless pipe,casing and tubing,steel pipe manufacturers
    Company now has 8 spiral steel pipe production lines and 2 anti-corrosion and heat preservation production lines. It can produce various specifications of spiral steel pipes with a diameter of 219-3500mm, a wall thickness of 4-25.4mm and a length of 3-70m. The product implementation standards are: ASTM A53, API SL PSL1/PSL2, ASTM A252, EN10210, EN10217, EN10219, etc., with an annual production capacity of 600,000 tons, SSAW products are widely used in natural gas, petroleum, chemical, electric power, heat, water, Marine dredging, port construction, infrastructure, urban pipeline network and other fields.
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