ERW/LSAW/SSAW Welded Pipe

Rolls of strip #steel (or steel plates) are slowly unrolled amidst the roar of the machine. After precise bending, shaping and welding, a long weld is quietly born, tightly connecting the strip steel, and finally forming the #straightseam steel pipe we are familiar with. This weld is both its symbol and the uniqueness of its craftsmanship. Straight seam steel pipes（#LSAW/ERW) have the following characteristics and advantages: 1. High strength and good welding performance: During the manufacturing process of straight seam steel pipes, suitable steel plate materials are usually selected and processed through strict welding processes to ensure that the steel pipes have high strength and good welding performance. The welds are located on the surface of the steel pipe, which is convenient for inspection and maintenance. At the same time, the advancement of modern welding technology has significantly improved the quality of welds. 2. High cost-effectiveness: Compared with #seamlesspipes, the production process of straight seam steel pipes is relatively simple and the cost is lower, so it has a greater price advantage. This makes straight seam steel pipes more competitive in the market. 3. Simple and efficient production process: The manufacturing process of straight seam steel pipes is relatively simple and fast, suitable for large-scale production, and improves production efficiency. Its production process does not require complex molding equipment and process steps, and the production speed is fast, which can reduce production costs. 4. Complete specifications: Straight seam steel pipes have a wide variety of specifications to meet the needs of different customers and are suitable for various engineering projects. This makes straight seam steel pipes more flexible in the market. 5. High reliability: Straight seam steel pipes are manufactured through welding process, with high reliability and durability, and can be used in various harsh environments. The quality of its welds is stable and reliable, with good sealing and corrosion resistance. 6. Wide application: Straight seam steel pipes are widely used in construction, oil, natural gas, electricity, agricultural irrigation, tap water engineering, chemical industry, shipbuilding and urban construction. Its flexible production process and wide range of applications make straight seam steel pipes occupy an important position in many industrial fields. Contact if interest: sales@permanentsteel.com For more, please visit: www.permanentsteel.com Whatsapp: 0086-13548700205 #LSAW #ERW #straightseamsteelpipe #pipewelding #steelfactory #steelindustry #weldedpipe #manufacturing #steelplate #steelpipe

Why are large diameter LSAW steel pipes so popular? Large-diameter #LSAW steel pipe is a common and important engineering steel. Its advantage is that it uses submerged arc welding technology, which can ensure the stability of welding quality and high production efficiency. This feature makes large-diameter straight seam steel pipes widely used in construction, manufacturing, transportation and other fields. In the #construction field, large-diameter LSAW steel pipes are often used for supporting and load-bearing structures, including large projects such as bridges, high-rise buildings and stadiums. Due to its strength and stability, the protection of building structures has been better improved, which not only increases the safety of buildings, but also extends their service life. In addition, large-diameter LSAW steel pipes can also be used in projects such as subways and tunnels along the line for drainage, ventilation and heating systems, making important contributions to the construction of urban infrastructure. In the #manufacturing field, large-diameter LSAW steel pipes can be used as the support structure of the workbench, bear the pressure of heavy objects, and ensure the stability and safety of the workbench. It can also be used to manufacture equipment such as conveyor belts and conveyor pipes for the transportation and processing of materials. Large-diameter LSAW steel pipes have a wide range of applications and provide solid and reliable support for industrial production. When it comes to the #transportation field, large-diameter LSAW steel pipe is indispensable. It can be used as a pipeline for liquids, gases, solids and other substances, and is used in pipelines in oil fields, chemicals, power and other industries to efficiently and safely deliver substances to their destinations. Its reliability and durability make large-diameter LSAW steel pipe the first choice for all walks of life. Contact if interest: sales@permanentsteel.com Whatsapp: 0086-13548700205 For more, visit: www.permanentsteel.com #LSAW #weldedpipe #straightseamsteelpipe #pipewelding #submergedarcwelding #saw #oilandgas #Largediametersteelpipe #engineeringsteel #oilpipeline #gaspipeline #pipepile #pilingpipe

Small diameter bright #ERW welded pipe What are the advantages of choosing this welded pipe? 1. High production efficiency The production process of ERW welded pipes is highly automated, and welding can be completed quickly, which significantly improves production efficiency and delivers quickly. 2. Low cost The production cost of ERW welded pipes is relatively low, which can save materials and energy and is suitable for large-scale production. Under the same specifications, ERW welded pipes are cheaper than seamless pipes. 3. Many varieties and specifications, precise dimensions The production process of small-diameter welded pipes is flexible, and welded pipes of different specifications and varieties can be produced according to different needs. Welded pipes are steel pipes made by welding steel plates or strips after curling and forming, and the raw materials are subject to strict tolerance control. 4. High welding quality The welding quality of ERW welded pipes is stable, the welds are short and the quality is controllable, which reduces the possibility of welding defects. High-frequency welding technology makes the weld strength close to or even exceeds the parent material itself, effectively avoiding structural safety hazards caused by weld quality problems. 5. Widely used Small-diameter welded pipes are widely used in bridges, high-rise buildings, furniture manufacturing, automobile industry, machinery manufacturing and many infrastructure construction projects, reflecting the perfect combination of modern material science and manufacturing technology. For more, visit: www.permanentsteel.com or Contact if interest: sales@permanentsteel.com Whatsapp: 0086-13548700205 #erwpipe #weldedpipe #smalldiametersteelpipe #automobile #furnituremanufacturing #infrastructure #machinery #steelpipe #gaspipeline #waterpipe #oilandgas #construction #steelstructure #tubemanufacturer #steelindustry #pipeline

Why are large diameter LSAW steel pipes so popular? Large-diameter #LSAW steel pipe is a common and important engineering steel. Its advantage is that it uses submerged arc welding technology, which can ensure the stability of welding quality and high production efficiency. This feature makes large-diameter straight seam steel pipes widely used in construction, manufacturing, transportation and other fields. In the #construction field, large-diameter LSAW steel pipes are often used for supporting and load-bearing structures, including large projects such as bridges, high-rise buildings and stadiums. Due to its strength and stability, the protection of building structures has been better improved, which not only increases the safety of buildings, but also extends their service life. In addition, large-diameter LSAW steel pipes can also be used in projects such as subways and tunnels along the line for drainage, ventilation and heating systems, making important contributions to the construction of urban infrastructure. In the #manufacturing field, large-diameter LSAW steel pipes can be used as the support structure of the workbench, bear the pressure of heavy objects, and ensure the stability and safety of the workbench. It can also be used to manufacture equipment such as conveyor belts and conveyor pipes for the transportation and processing of materials. Large-diameter LSAW steel pipes have a wide range of applications and provide solid and reliable support for industrial production. When it comes to the #transportation field, large-diameter LSAW steel pipe is indispensable. It can be used as a pipeline for liquids, gases, solids and other substances, and is used in pipelines in oil fields, chemicals, power and other industries to efficiently and safely deliver substances to their destinations. Its reliability and durability make large-diameter LSAW steel pipe the first choice for all walks of life. Contact if interest: sales@permanentsteel.com Whatsapp: 0086-13548700205 For more, visit: www.permanentsteel.com #LSAW #weldedpipe #straightseamsteelpipe #pipewelding #submergedarcwelding #saw #oilandgas #Largediametersteelpipe #engineeringsteel #oilpipeline #gaspipeline #pipepile #pilingpipe

Application of #spiral steel pipe (#SSAW) in water pipeline engineering The water plant is an important part of the city and is responsible for providing clean and safe drinking water to residents. In this process, spiral steel pipes (SSAW) play a vital role. This kind of steel pipe has won the trust of water plants and residents with its excellent performance and long service life. Main application areas: 1. #Drinkingwater transportation: Spiral steel pipes are widely used in drinking water transportation pipelines to ensure the cleanliness and safety of water quality. 2. #Watertreatment equipment: Water treatment equipment in water plants requires the use of highly corrosion-resistant and high-strength spiral steel pipes to ensure stable operation of the equipment. 3. Building #watersupply and drainage: In the water supply and drainage systems of high-rise buildings and large public facilities, spiral steel pipes have excellent pressure resistance and corrosion resistance, making them an ideal choice for water supply and drainage pipes. Advantages of spiral steel pipe: 1. High strength: Spiral steel pipes are made of high-strength steel, which has excellent tensile and compressive properties and can withstand huge pressure and weight. 2. Corrosion resistance: Pipes in water plants often face highly corrosive environments, and spiral steel pipes have excellent corrosion resistance and can effectively prevent secondary pollution of water quality. 3. Long life: The design life of spiral steel pipes is up to 50 years, which can greatly reduce the maintenance costs and downtime of water plants. 4. Easy installation: The installation of spiral steel pipes is simple and fast, and does not require special tools and equipment, effectively shortening the construction period. #PMC provides high-quality spiral steel pipe products and services for water pipeline engineering. Using it can ensure the quality and safety of water supply, while also reducing the maintenance cost of the water pipeline system, and complying with national health and environmental protection requirements. For more, visit: www.permanentsteel.com or Contact: sales@permanentsteel.com #waterpipeline #waterplant #spiraltube #ssawpipe #waterpipe #pipelineengineering #construction #spiralpipe #steelpipe #tubemanufacturer #oilandgas #pipelineproject #drainage

#LSAW (Longitudinally #SubmergedArcWelding) steel pipes are produced by using a single medium-thick plate as raw material, pressing (rolling) the steel plate into a tube blank in a mold or forming machine, and enlarging the diameter using double-sided submerged arc welding. According to different #molding methods, it can be divided into: #UOE steel pipe: After the single steel plate is pre-bent at the edge, it undergoes processes such as U forming, O forming, internal welding, external welding, and mechanical cold expansion. #JCOE steel pipe: pre-welding, forming, cold expansion after welding and other processes according to "J-C-O-E" #HME steel pipe: formed by mandrel rolling method according to "C-C-O", welded and then cold expanded. The video below shows the #internal and #externalwelding of LSAW steel pipes in the production process. Main features of #LSAW steel pipe: (1) The steel pipe has a #longitudinalweld, and both the inner and outer welds are welded by one submerged arc welding. (2) After the overall mechanical diameter expansion treatment, the internal stress of the steel pipe is small and evenly distributed, which can effectively prevent stress corrosion cracking, has high dimensional accuracy and facilitates on-site welding construction. (3) Using the process of pre-welding and then precision welding, the welding process is stable and the weld quality is high. (4) Welds are easy to implement non-destructive testing during the production process and non-destructive testing review in the field during use. (5) The range of product specifications is large, and it can produce both small diameter and large wall thickness steel pipes and large diameter and large wall thickness steel pipes. Contact if interest: sales@permanentsteel.com Whatsapp: 0086-13548700205 For more, visit: www.permanentsteel.com #LSAWPipe #weldedpipe #pipewelding #tubemanufacturer #manufacturing #steelindustry #submergedarcwelding #saw #weldingprocess #oilandgas #gaspipeline #steelpile #pilingpipe #oilpipeline #waterpipe #pipefactory #steelpipe #steelplate #PMC

Large-diameter #straightseam steel pipes (such as #LSAW & #DSAW) are the best choice for large-scale pipeline projects, water and gas transmission projects, tap water projects, petrochemical industry, chemical industry, electric power industry, agricultural irrigation, and urban pipeline network construction. Before shipment, straight seam steel pipes should undergo mechanical performance tests, tensile tests, bending tests, flattening tests, guide bending tests and hydraulic tests, and must meet the requirements specified in the standards. The steel pipe should be able to withstand a certain internal pressure, and there should be no leakage in the steel pipe during the experiment. Electric resistance welded steel pipes are allowed to use ultrasonic flaw detection or eddy current flaw detection instead of hydraulic testing. Submerged arc welded steel pipes are allowed to have ultrasonic flaw detection or radiographic flaw detection instead of hydraulic testing. #PMC specializes in the production and supply of #large-diameter straight seam steel pipes, #thick-walled straight seam steel pipes and #double-sided submerged arc welded straight seam steel pipes (DSAW). Our equipment is complete and we can customize and process steel pipes of various materials according to customer needs. Contact if interest: sales@permanentsteel.com Whatsapp: 0086-13548700205 For more, please visit: www.permanentsteel.com #oilandgas #straightseamsteelpipe #LSAW #ERW #DSAW #steelpipe #pilingpipe #steelpiles #manufacturing #oilpipeline #waterpipeline #pipelineproject #urbanpipeline #gaspipeline #weldedpipe #pipewelding #petrochemical #chemical #agriculturalirrigation

Application Cases of Longitudinal Submerged Arc Welded Pipes in Shipbuilding and Marine Engineering #Longitudinal submerged arc welded steel pipe (#LSAW Pipe) is a welded steel pipe commonly used in shipbuilding and offshore engineering. It has the characteristics of high efficiency, high quality and reliability. The following will introduce several application cases of longitudinal submerged arc welded steel pipes in shipbuilding and ocean engineering. For more, visit: https://lnkd.in/g73nxYs #oilandgas #pipeline #weldedpipe #shipbuilding #marineengineering #oceanengineering #petroleum #offshoreplatformstructure #submarineoil #steelpipeuse #pipeapplication #lsawsteelpipe #saw

What is the role of ERW pipes in different industries? #ERW Pipe means Electric Resistance Welded Pipe, which are a type of welded pipe manufactured through the process of rolling and welding the steel strip longitudinally. Their seamless flow and joint strength, created through electric current heating, make them versatile and cost-effective for various applications. For more, visit: https://lnkd.in/gSH8i4P #oilandgas #pipeline #steelpipe #erwpipe #weldedpipe #pipeuse #pipeapplication #pipewelding #construction #mechanical #automobile #watersupply #wastewater  #agriculture #irrigation

What is the Length of the Welded Pipe? #Weldedpipes are usually available in lengths of 6 meters or 12 meters. Common length of welded pipe: Welded pipe is a kind of pipe made by welding, which has the characteristics of high strength, corrosion resistance and smooth surface. Welded pipes are made of various materials, and different materials can be selected to meet different usage needs. Welded pipes are widely used in #construction, #manufacturing, #machining and other fields. The common lengths of welded pipes are 6 meters and 12 meters. These two lengths can meet most usage requirements. Welded pipe often requires cutting during transportation and storage. Therefore, you can choose different lengths of welded pipes to purchase and use according to your needs. For more about welded steel pipe, visit: https://lnkd.in/gMiDimMs #pipesize #pipeline #steelpipelength #tubemanufacturer #oilandgas #erw #lsaw #ssaw #gaspipeline #oilpipeline #piping