L80 oil casing, Matsubara oil casing, steel dragon mengcun

 Mengcun dragon Hongye steel, perennial large spot sales J55 material, 114.3 outer diameter casing wall thickness range, low price, welcome new and old customers. J55 oil casing, casing is important for oil drilling equipment, oil casing, the main equipment also includes a drill, core and casing pipe, drill collar and small-diameter steel pipe and other drilling. Widely used in petroleum, natural gas, gas, water, thermal power generation, hydropower penstock, power generation, dredging and other industries of infrastructure projects. Domestic K55 oil casing, J55 oil casing, N80 petroleum casing by SY / T6194-96 regulations, casing length length, its range 8-13m. But less than 6m of the casing may be provided, which shall not exceed 20%. In addition the company's annual production of spiral steel pipe, oil casing, oil pipe clamps, seamless steel pipe, large diameter spiral pipe, oil pipelines, oil pipe clamps, welded steel pipe. Various pipeline equipment oil casing equipment: N80 casing, casing, oil pipelines, API standard series casing. Electricity, gas pipelines, pipeline steel, hot-rolled steel, thermal expansion pipe, welded steel pipes, pipe insulation, anti-corrosion steel pipe, stainless steel pipe, J55, K55, N80, L80,10 #, 20 #, 45 #, Q235,16MN other materials Various standard spiral welded steel pipe, API oil casing, J55 oil casing oil casing L80, P110 oil casing, N80 oil casing. Mengcun dragon Hongye steel, perennial large spot sales J55 material, 339.72 outer diameter casing wall thickness range, low price, welcome new and old customers. In addition to the emergence of oil casing used in oil exploration, but also as the pipeline transportation of raw materials, in order to enhance the quality of oil casing, the production process every step is particularly important, especially during temperature control H40 oil casing, must be strictly in accordance with the master. Typically, oil casing is used subcritical quenching method, rather than ordinary quenching method, because there are a lot of artifacts make internal residual stress after quenching common method is used, thereby expanding the brittleness, the subsequent processing is not so easy a. The subcritical quenching oil casing is to prevent excessive brittleness influence subsequent processing process. The main method of operation is to first select the subcritical quenching heating temperature, usually between 740-810 ℃, the heating time is usually about 15 minutes. Then after quenching and tempering, tempering heating time is fifty minutes, the temperature to select 630 ℃, of course, each of the steel has its own heating temperature and time during the heat treatment, as long as the work can be improved and improve the performance of oil jacket N80 tube, then the purpose of heat treatment is achieved. Heat oil casing is the most important process steps, performance and quality of the finished product depends on whether the outcome of the majority of the heat treatment standards, so the manufacturers are very strict requirements for heat treatment process, not a hint of neglect. Sometimes you can also adopt the way of quenching temperature quenching, low temperature quenching oil can effectively remove the residual stress of the sleeve, not only reduces the degree of deformation of the workpiece after quenching, but also can be processed into oil casing material better suited to post-process. So, oil casing current achievements and heat are inseparable, since it has been heat-channel processing, whether it is oil casing impact toughness, tensile strength or invulnerability performance, there is a lot of increase. L80 oil casing, oil casing Matsubara, mengcun steel dragon dragon by Mengcun Hui Autonomous County Hongye steel center. Mengcun Hui Autonomous County dragon Wang Yip Pipe Center (www.hebeizhihang.com/)(www.mcflgg.com) strong, credible, Cangzhou in Hebei steel industry has accumulated a large number of loyal customers. The company better work attitude and constantly improving innovative ideas will lead pipe and you work mengcun dragon into the brilliant, for a better future!