Seamless Steel Pipe Plant News The difference between the finish rolling tube, the cold drawing tube and the honing tube The processing equipment of the finishing tube is the “steel tube cold rolling mill” Cold-drawing pipe processing equipment is "steel pipe cold-drawing machine" The honing tube is honed on the basis of the cold drawn tube or the finished tube (on the honing machine). In terms of accuracy and surface, the best surface and accuracy are honing tubes, followed by finishing tubes,...
Recently, there are many new customers who would like to ask why the netizens' stainless steel pipes should be stamped with steel stamps. Today, we have a stainless steel Xiaobian to explain why stainless steel coffins are stamped: The first is to distinguish materials. A lot of stainless steel pipes will be printed with materials, whether it is 201 or 304 or 316, stainless steel pipe body will have these obvious logos, so that we all clearly see that this will avoid a lot of suspicion to take...
Spiral steel pipes are made by steel coil, extrusion forming under the normal temperature, then taken the technology of double wire and double-faced submerged-arc welded. 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...
Flanged all-welded ball valve steel is a good energy-saving environmentally friendly products, which features the valve when the internal leakage of leakage can be achieved "zero leakage" state, can make the loss of energy loss to a minimum. Greatly improve the energy saving and thermal measurement accuracy. The valve consists of an all-welded body and a carbon-reinforced Teflon gasket that can be operated frequently and run long life with impurities and chemicals. Full welded flanged ball...
October 15, 2010, the US International Trade Commission issued a notice, anti-dumping and countervailing final ruling of industrial damage originating in China seamless carbon and alloy steel standard pipe, line pipe and pressure pipes, ruled that dumping of the product concerned conduct and behavior of the US subsidies caused substantial damage to the domestic industry. According to the affirmative determination, the Commerce Department will release the product of anti-dumping and...
According to the Ministry of Commerce, on August 13, 2007, the Canadian Border Service Agency initiated an anti-dumping anti-subsidy merger investigation on seamless oil well pipes exported from China. Recently, the Canadian side made dumping and subsidy final rulings on the case, and found that the industry involved in the case was a non-market economy and ruled high anti-dumping and countervailing duties. Wang Xinpei, a spokesperson for the Ministry of Commerce of the People's Republic of...
Pressure-bearing fluid transportation, spiral submerged arc welded steel pipe SY5036-2000, mainly used for the transportation of petroleum, natural gas pipelines; Spiral seam high-frequency welded steel pipe SY5038-2000 for pressure fluid transport, welded by high-frequency lap welding method, for high pressure welded steel pipe with spiral seam for pressurized fluid transport. Steel tube has strong pressure bearing capacity and good plasticity, which is convenient for welding and processing;...
3pe anti-corrosion pipe fittings in the installation of a lot of things that need attention, the same, in the assembly and operation are also indispensable to pay attention to a series of problems, because this also affects the use of the effect. The following small series to introduce you to the following points: 3pe anti-corrosion pipe fittings installation precautions 1,3pe anti-corrosion pipe manufacturers in the 3pe anti-corrosion pipe in the process of moving, because the metal compared...
Pipe fitting including tee, elbow,reducer , etc. Industrial metal pipe fitting products has the characteristics of wide application in various fields of national economy, products mainly supply of petrochemical industry, natural gas, shipbuilding, electric power, pharmaceutical and other industries, especially in ocean engineering and emerging areas such as nuclear power space. There are many methods of pipe fittings processing, many also belongs to the catagory of mechanical machining, the...
Recently, the Foreign Trade Secretariat of Brazil's Ministry of Development Industry and Foreign Trade (SECEX) issued an announcement saying that on the application of Brazil's V&M Pipeline Company, it decided to produce seamless carbon steel pipes with a diameter of no more than 5 inches (141.3 mm) in China. Anti-dumping investigation for NCM73041900) (Prosecution No. MDIC/SECEX52000.032933/2010-40). The products under investigation are mainly used for oil and gas transmission and are...
Classification of steel pipes: 1. Classification according to production methods (1) Seamless pipe - hot rolled pipe, cold rolled pipe, cold drawn pipe, extruded pipe, top pipe (2) welded pipe (a) According to the process - arc welded pipe, electric resistance welded pipe ( High frequency, low frequency), gas welded pipe, furnace welded pipe (b) by weld seam - straight seam welded pipe, spiral welded pipe 2, according to the shape of the section classification (1) simple section steel pipe -...
Bangdong Pipeline Technology Co., Ltd Shares 16Mn Small Caliber Seamless Pipeline Knowledge Seamless Steel Pipe, as the name suggests, is a pipe without a seam or a weld-joint. Seamless Pipe is a tubular section or hollow cylinder, usually but not necessarily of circular cross-section, used mainly to convey substances which can flow — liquids and gases (fluids), slurries, powders and masses of small solids. The production of our seamless pipes is tightly regulated and all of the pipes we stock...
The development of steel pipe production technology began with the rise of bicycle manufacturing, the development of oil in the early 19th century, the manufacture of ships, boilers and aircraft during the two world wars, the manufacture of thermal power boilers after the Second World War, the development of the chemical industry and Oil and gas drilling and transportation, etc., have strongly promoted the development of the steel pipe industry in terms of variety, output and quality. Steel...
A reducer is the component in a pipeline that reduces the pipe size from a larger to a smaller bore (inner diameter). A reducer can be used either as nozzle or as diffuser depending on the mach number of the flow. A reducer allows for a change in pipe size to meet hydraulic flow requirements of the system, or to adapt to existing piping of a different size. Special design available All the production process are made according to ISO9001:2000 strictly. Generally called the reducer refers to the...
Recently, Baosteel's longitudinal seam welded pipe production line successfully produced longitudinal welded steel pipes with diameters of 762×30.2 millimeters and 31.8 millimeters, becoming the first steel company in China to produce this type of deep-sea subsea line pipe, which made China’s deep-sea development projects stronger. Strong support. Compared with terrestrial pipes, marine pipes are used in low temperature, high pressure, and strong corrosion environments. Therefore, stringent...
Pipe flanges that are made to standards called out by ASME B16.5 or ASME B16.47, and MSS SP-44. They are typically made from forged materials and have machined surfaces. ASME B16.5 refers to nominal pipe sizes (NPS) from ½" to 24". B16.47 covers NPSs from 26" to 60". Each specification further delineates flanges into pressure classes: 150, 300, 400, 600, 900, 1500 and 2500 for B16.5, and B16.47 delineates its flanges into pressure classes 75, 150, 300, 400, 600, 900. However these classes do...
Bangdong offer different types of flanges . Forged WN Flange , SO Flange , BL flange etc . Introduction: With the popularization of gas, the construction and protection of gas pipeline engineering is very important. The supporting equipment also includes insulating flanges. Like insulating joints, insulating flanges are products for the petroleum and chemical industries. With the popularization of gas, the construction and protection of gas pipeline engineering is very important. The supporting...
A large diameter alloy seamless steel pipe production process. It includes the following steps: Step one, material preparation; step two, tube heating and oblique rolling perforation; step three, trimming of the capillary; step four, thermal expansion deformation sizing; step five, heat treatment; step six, straightening; step seven , Inner grinding; Step eight, correction; Step nine, grinding; Step ten, inspection inspection; Step XI, and then finishing, final inspection and packaging. The...
Straight seam welded Pipe is made of steel plate or steel strip after bending forming, and then through welding. Divided into the form of the weld seam welded pipe and spiral welded pipe by the welding forming method. According to the application, the straight seam weld pipe can be divided into general welded pipe, galvanized welded pipe, oxygen blowing metric welded pipe, welded pipe, wire casing, roller tube, deep well pump pipe, auto tube, transformer, electric welding thin wall pipe, welded...
1. Choose the right venue and storeroom 1) The place or warehouse where steel products are stored should be located in a clean, well-ventilated place away from factories and mines that produce harmful gases or dust. Weeds and all debris should be removed from the site to keep the steel clean. 2) In warehouses, it is not allowed to pile together materials that are aggressive to steel such as acids, alkalis, salts, and cement. Different types of steel should be stacked separately to prevent...
First, the classification of pipe fittings In general, in the entire pipeline, various accessories other than straight pipes can be collectively referred to as pipe fittings. However, it is customary to refer to the elbows, tees, heads, caps, and various pipe joints as pipe fittings, and to refer to flanges, valves, expansion joints, and pipe supports, respectively. 1. According to the material, stainless steel pipe fittings, carbon steel pipe fittings, PVC pipe fittings, etc. 2, according to...
Introduction: Carbon steel elbows are made of carbon steel elbows and are two large-diameter pipes connecting devices. It is usually composed of two elbows plus several fastening bolts. It is a metal pipe that changes the direction of the pipe on the carbon steel pipe. A carbon steel elbow is an elbow made of carbon steel and is a connection device for two large-diameter pipes. It is usually composed of two elbows plus several fastening bolts. It is a metal pipe that changes the direction of...
Hot rolled seamless steel pipe use: 1. There are many types of buildings: underground pipelines are transported at most, groundwater is pumped out when the building is built, and boiler hot water transport is used. 2. Mechanical processing, bearing sleeves, processing machinery accessories and so on. 3. Electrical: gas transmission, water power fluid piping. 4. Wind power plants anti-static tubes. The source of the steel pipe knowledge.
Standard for carbon steel seamless steel tubes for ships: Carbon steel seamless steel tubes for ships (GB5213-85) are used to manufacture ships' Class I pressure piping systems and Class II pressure piping systems. Now widely used. Carbon steel seamless steel tube boilers and superheated carbon steel seamless tubes for ships . Carbon steel seamless steel pipe wall temperature does not exceed 450 °C, alloy steel seamless pipe wall temperature exceeds 450 °C.
