LSAW Steel Pipe

 Project location：Asia Product：SSAW STEEL PIPE Standard and material：SY/T 5037 Q355B Specifications： SSAW 2010×8×6000MM SSAW 2010×10×6000MM SSAW 1950×12×6000MM SSAW 1950×14×6000MM SSAW 1850×16×6000MM SSAW 1750×18×6000MM SSAW 1750×20×6000MM SSAW 1250×16×6000MM Application：Hydropower station construction in Nepal Supply time：2023.12 This project is a large-scale EPC contracting project in Asian. In September 2023, the client visited and negotiated for the first time. After on-site factory inspections and company visits, they gained a full understanding of Xinyue’s supply capacity and company strength. They proactively applied to upgrade to Xinyue’s agent and later carried out steel sales business in Nepal. They also submitted a quasi order project on site, which is a large-diameter thin-walled spiral steel pipe used for the construction of local hydropower projects, The total batch of goods is 2477 tons, with a total volume of 94 high container containers. Duri...

 Product：Ssaw Steel Pipe Standard and material：EN10219 S235JR / S355JOH Specifications：OD 16” – 40” Application：Structure Tubular Piling Estimated arrival time：2023.11.12 This is a purchasing order of structural tube signed by a regular customer that Xinyue has cooperated with for more than ten years, and is used to replenish inventory. We strictly control product quality and conduct strict testing on each steel pipe to ensure its high quality and reliability. At the same time, we are committed to quality assurance and on-time delivery to ensure that we meet customer needs. We have established long-term and stable cooperative relationships with many European customers, and have won the trust and reputation of our customers with our honest operations and high-quality services. By choosing us, you not only choose a steel pipe exporter, but also a trustworthy partner. We will continue to provide you with the best quality products and services and create a better future with you! https...

 Hydraulic test is a method to detect the defects of SSAW steel pipe, which is widely used in the inspection of various pressure steel pipes.When the steel pipe is subjected to the hoop tensile stress during the hydrostatic pressure test, if the performance of the steel pipe does not meet the requirements or has defects, it will bend, crack, crack and release pressure under the action of the tensile stress, fully exposing the defects. Therefore, the hydrostatic pressure test can have a better inspection effect on the external defects of the steel pipe. Calculation formula for hydrostatic test P=2ST/D (P: test pressure, unit Mpa, 1Mpa=10kg; S: test stress; T: wall thickness; D: pipe diameter) The operation process of the hydrostatic test 1. Before the test, check whether the water pump and oil pump system are normal, and whether the control system is normal 2. After adding the steel pipe to be tested to the sealing rubber ring, send it into the hydraulic press. 3. Start the trustees...

　　 SSAW steel pipe in the production process, we need to pay attention to a series of matters. Except the following test items, according to the API standard and other relevant standards and the special requirements of some users, the destructive tests for steel, steel pipe is needed, including physical and chemical properties of the raw materials into the plant sampling, visual inspection of 100% steel . 　　A. Oiled marking: steel after passing were oiled to prevent corrosion, and according to user requirements for marking. 　　B. Leveling Milling: The flat steel anvil machine so that the original curl, and then through the edge milling machine for two-sided steel milling, so as to meet the requirements of the plate width, plate edge parallelism and groove shape. 　　C. Shear molding: the steel plate production line along the outer edge of the spiral curl into a tube. 　　D. Butt cut: double-sided submerged arc welding using advanced technology to pre-welding, internal welding, outs...

　　Spiral steel pipe, also called SSAW steel pipe or spiral welded spiral pipe, are made by hot rolled strip, it is made by extrusion forming under the normal temperature, and then welded by taking the technology of double wire and double-faced submerged-arc. 　　During molding process of spiral welded steel pipe, steel plate has uniform deformation and light residual stress, thus the surface has no scratches. Spiral steel pipe has more flexible thicknesses and diameters, especially in making high-grade thick pipes with small or medium aperture, these techniques has incomparable advantages in satisfying your needs. 　　Spiral steel pipe can be widely used in the production of large diameter spiral tubes for the following reasons: 　　1) as long as changing the forming angle, we can use the same width of the strip steel to produce a variety of caliber spiral pipe; 　　2) Since spiral welded steel pipe is formed by the continuous bending, the specified lengths of spiral steel pipe is not...

　　1. The stacking principle requirements of SSAW steel pipe is stable and ensuring the safety, so we should stacking SSAW steel pipe according to specifications, different varieties, different materials, and different specifications SSAW steel pipe should be stacking respectively, to prevent muddy and mutual erosion. 　　2. SSAW steel pipe is prohibited in the steel pipe stacking around the location of the erosion of steel pipe objects. 　　3. SSAW steel pipe bottom should be high, strong, smooth, to prevent the material damp or deformation. 　　4. The same kind of material SSAW steel pipe should be stacking in accordance with the order of storage in order to facilitate the implementation of the principle of improving the predecessors. 　　5. If the SSAW steel pipe in the open space, must be under the spiral pipe to prevent the wooden mat or stone, etc., and the stack should be slightly inclined to facilitate drainage, and pay attention to whether the steel pipe is straight to prevent...

　　Poor quality SSAW steel pipe is easy to produce burrs, because some inferior manufacturers have tinpot equipment. Prime Steel Pipe is positioned as an excellent steel pipe manufacturer and exporter for carbon steel pipe, we have over 20 years to manufacture SSAW steel pipe. So the SSAW steel pipe produced by Prime Steel Pipe all have the best quality, you can trustingly choose our spiral welded pipe. Generally, burrs will scratch the appearance of SSAW steel pipe and is easy to fold, the tendons are thin and low. and often appear full of dissatisfaction with the phenomenon. The reason is that the manufacturers to achieve a large negative tolerance, waste a few Road before the reduction of the amount of large, iron type is small, well filled dissatisfaction. Prone to crack. The reason is that the blank is the adobe, the adobe pores and more, adobe in the cooling process due to the role of thermal stress, cracks, after rolling there are cracks. 　　SSAW steel pipe regularly appear qua...

　　Because ssaw steel pipe can be made by a coil width continuous forming welding production, easy automation, and using double-sided automatic submerged arc welding type, there are a variety of testing method to check weld quality assurance checks. Therefore, when laying oil pipelines, spiral welded pipe has been widely used. However, in forming the welding process, the process by mistake or due to other reasons mature operation, resulting in a variety of pipe defects generated. 　　Lack of fusion 　　No penetration weld means between the base metal and the base metal, not the spaces left by the arc melting, the double-sided spiral welded pipes produced generally in the middle of the weld. Due to the use of double-sided spiral submerged arc welded pipe, it is not automatic weld penetration welded joints of the causes, which is too small for the gap, too small welding current and welding speed is too fast, or if improper wire angle welding arc is caused by partial blow When it is not p...

　　 SSAW steel pipe regularly appear quality problems in the production and use. So we need to identify the quality of SSAW steel pipe, in accordance with a certain way and performance testing, can be used in the actual use of an important role. Then how to identify fake spiral steel pipe method: there often are pimple phenomenon in appearance. In general, the overall effect of weighing will be better, mainly taking into account the cumulative error and probability theory of this problem. Pitted surface is due to the serious wear and tear caused by the uneven appearance of spiral steel pipe irregular irregular flaws. As the shoddy SSAW steel pipe manufacturers to pursue profits, often rolling the most rolling standard. Appearance easy to produce scar. 　　Poor quality SSAW steel pipe is easy to produce burrs, because some inferior manufacturers have tinpot equipment. Generally, burrs will scratch the appearance of SSAW steel pipe and is easy to fold, the tendons are thin and low. and o...

　　The influence of ssaw steel pipe production process factors on the quality of single-side welding double-sided forming welds mainly includes welding current, welding speed, number of welding layers, electrode type and electrode diameter. 　　1. Welding current. The proper choice of the welding current size directly affects the final welding quality. Excessive welding current can increase the productivity and increase the penetration depth, but it is prone to defects such as biting and welding, and increases the tendency of stomata. In particular, when the vertical welding operation is difficult to control the molten pool, the occurrence of welding defects, arc length increases, the welding current is too small, the penetration depth is reduced, prone to defects such as incomplete penetration, poor fusion, slag inclusion, and disconnection. During the training, for those students who have just come into contact with welding, this is a difficult problem to grasp. During the single-side...

　　As we all know, a company wants to survive in this competitive world, it needs to has its special characters. As steel pipe’s supplier, we would like to say that we have special production process for each kind of steel pipe from seamless steel pipe to SSAW steel pipe as well as ERW steel pipe. 　　Step 1- We will introduce steel pipe’s market overview, market threats, and market prospects, driving factors. And we would customize relative products according to client’s demand. 　　Step 2- Doing deep research on each kind of steel pipe’s character according to customer’s price structure, raw material cost, we would make production plan for our customers. 　　Step 3- Representing the procedure of the competitive steel pipe market among the manufacturer, with contracts, and income factor. 　　We would start our production when we finish all plans as we need to give our customers a successful answer sheet. 　　 http://www.xysteelpipe.com/info/Special-production-process-of-steel-pipe-1140...

　　SSAW steel pipe is a strip coil as raw material, after extrusion at room temperature, with automatic double wire-sided submerged arc welding process welded spiral seam steel pipe. 　　 SSAW steel pipe process performance are as follows: 　　1. Bending performance. Prescribed by apex diameter bend 180 degrees, reinforced by the curved parts of the surface can not crack. 　　2. Reverse bending performance. According to the requirements, it can be reinforced reverse bending performance test. Reverse bending test bending test apex diameter than the corresponding increase in a bar diameter. First bend forward 45 degrees, after the reverse bend 23 degrees, 23 degrees after the reverse bending. After the reverse bending test, reinforced by the curved parts of the surface can not crack. 　　3. The surface quality. Steel surface allowed to have cracks, scarring and folding. Reinforced surface allows the bump, but shall not exceed the height of the transverse ribs, on the other steel surface ...

　　 SSAW steel pipe also has its own shortcomings, spiral steel hollow section is used as a large number of pipeline fluids, such as transportation of oil, natural gas, gas, water and some solid materials, pipes and so on. Compared to other steel and solid steel bar, the same torsional strength in bending, lighter, is an economic cross-section steel, widely used in the manufacture of structural parts and mechanical parts, such as drill pipe, automotive drive shafts, bicycle rack and construction using steel scaffolding. 　　Steel pipe manufacturing annular parts, can improve material utilization, simplify the manufacturing process, saving material and machining time, such as bearing rings, jack sets, has been widely used to make steel. Steel or a variety of conventional weapons indispensable material, barrel, barrel would have to make steel. Pipe according to different cross-sectional shapes can be divided into tube and shaped tubes. Because in the perimeter of equal conditions, the la...

    There are lots of standards for different categories of steel pipe as well as different countries’ requirements. As foreign trade on steel pipes like seamless steel pipe, ERW steel pipe, SSAW steel pipe, Tianjin Xinyue Steel Group can provide various standards of steel pipe for customers.     Here is the list for the products:     European Standard: EN10216-5; EN10216-2     German Standard: DIN 17456; DIN 17458     US Standard: API 5L - 2007;ASTM A53 / A53M -2007;ASTM A252 - 98;     BS EN 10219 -1 - 2006;BS EN 10219 -2 - 2006;BS1387 - 1985;     AWWA C200 - 1997;AWWA C210 - 2003;DIN 2573 / DIN 2576;     Japan Standard: JIS G3459; G3463     Russia Standard: GOST 9941;GOST 5632     Chinese Standard: GB/T14975, GB/T14976; GB13296; GB5310; GB9948     You can inquire us if you need any standard for your steel pipes. Of course, you can discuss with us if the sta...

    There is phenomenon that we would like to bury the steel pipe, whether seamless steel pipe, ERW steel pipe or SSAW steel pipe, in soil. Why? We would choose to put them on air if necessary. Here are some questions we need to consider.     First of all, pro-long life-span would be one of the reasons. We all know that the metal corroded because you left it out in the rain for too long once we just put them on air. According the information about Seamless Steel pipe, we know the specific chemical composition of it. So it is not difficult to figure out that we should keep them away from the air.     In addition, buried in soil would be good for convenient transportation. We would concede that steel pipe has good character of holding pressure. However, we would like to reduce the holding situation if we can. So buried steel pipe in soil would has the function of cushion for steel pipe.     http://www.xysteelpipe.com/info/Why-do-we-bury-steel-...

    Have you ever wondered how an oil refinery steel pipe like seamless steel pipe or ERW steel pipe works in the cold day or in the deep sea? Here you can learn more details about this technology involved in the whole process.     First of all, we know that refining oil needs skill to separate the crude oil and the refined oil. Thus, the steel pipe, like the seamless steel pipe or ERW steel pipe would have the function of the transportation. Transporting oil would require the steel pipe with high pressure taking character, thus seamless steel pipe and ERW steel pipe would be the top on the lists.     Then, after the refinery, we should figure out that we should store and transport the refinery oil too. So it is necessary to have seamless steel pipe for work too.     Explore the critical role refining plays in unleashing the potential of a barrel of crude oil and turning it into the specially formulated products that we rely on every day. Th...

    It would harass our clients once they wholesale bunches of steel pipe for engineering project. Thus, it is the duty for steel pipe suppliers such as seamless steel pipe, ERW steel pipe as well as SSAW steel pipe.     Taking Seamless Steel Pipe - ASTM A53 from Tianjin Xinyue Steel Group for example, we know that there are testing process of Chemical Component Analysis, Mechanical Properties (Ultimate tensile strength, Yield strength, Elongation), Technical Properties (Flattening Test, Flaring Test, Bending Test, Hardness Test, Blow Test, Impact Test etc), Exterior Size Inspection for end product.     Among these tests, for Hydrostatic Testing, it is a kind of test for pressures when plain and threaded and coupled pipe are specified. Hydrostatic pressure shall be maintained for not less than 5 seconds for all sizes of seamless and ERW pipe. Of course, for other tests, we should figure out the relevant skills before the testing.     http://...

    There are some rules for foreign business’s promoting, even just the different product’s standards. For example, if you want to sell steel pipes like the ERW steel pipe, it is necessary to have a basic understanding for frequently-used standards for steel pipes.     For American standards: API 5CT, API 5D, API 5L, ASTM A53, A106, A179, A192, A209, A210, A213, A333, A335, A500, A501, A519, ASME and so on.     For Japanese standards: JIS G3441、3444、3445、3452、3454、3455、3456、3461、3462     For German standards: DIN 1629、1630、2391-2、17175     For England standards: BS 3059-2、BS1387     For Europe standards: EN 10210-1、10216-2、10297-2     For Russian standards: GOST and so on     And for Xinyue steel pipe company, for SSAW steel pipes, we have the standards API 5L, API 5CT, ASTM A252, ASTM 53, EN10217, EN10219, BS, JIS, IS among international steel pipes standards. And for ERW steel pipe, we have...