Characteristics,and,Applicatio business, insurance Characteristics and Applications of Hot Extruded Steel Produ
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In recent years, as the worldwide top grade seamless steel tube market recovery and national economic strength gradually increase, heat pipe extrusion production process to usher in a new round of development opportunities. Hot extruded steel production process use hot extrusion method, with three deformation to compressive stress, good metal dense, homogeneous, suitable for almost all varieties of steel production, particularly high-alloy, hard steel and a variety of special-shaped deformation in production has a special section of pipe processing advantages. Hot extruded steel products because it has performance advantages in key areas of the national economy and the high-end military, nuclear power, thermal power, aviation, mining, oil and petrochemical, and other irreplaceable application prospects. Efforts to develop high-performance, high-tech and high value-added hot extruded steel products, steel pipe for high-end technology to promote national development and strengthening of comprehensive economic strength has far-reaching significance. When using hot extrusion technology to produce seamless steel tubes, hollow tube must be blank. One kind is forging billet or slab perforated hollow billet, the other is a hollow billet centrifugal casting. Hot extrusion technology to meet the stringent product standards, are widely used in cutting-edge fields of military, nuclear, aviation and petrochemical and other stainless steel tubes, high-quality high-temperature corrosion steel pipe, titanium and titanium alloy steel and other steel products. These high-quality, high-precision, difficult deformation of specialty steel products, production processes usually require a special smelting, casting, rolling, forging production and R & D capabilities, as well as a series of tube processing capabilities include cold rolling, heat treatment process, including. Hot piercing and hot extrusion production process core areas need to build a complete production line, a broad product line includes: tube pretreatment offline, online pre-heating and heating tube, the tube, the outer surface of the glass powder lubrication heat perforation / reaming by reheating, When the vertical perforation perforating machine solid tube, and the tube was heated glue in addition to the scales on the surface of a layer of glass powder, into the perforated drum. The outer surface of the glass powder lubrication into the hot extrusion process, hot saws sawing pressure than hot extruded steel tube (long tube after online by hot saws sawing) by roller transported to the background, and then air-cooled heat quenching or cooling bed. Depending on the technical requirements for products, hot extruded steel production using the continuous production process, but also by cold, straightening, shot blasting, degreasing, pickling and other processes. And the need to set up a multi-level defect detection, comprehensive finishing facilities, the use of computer control and management, in order to ultimately ensure that a variety of products to effectively meet the process requirements and the absolute strict product quality standards.
Characteristics,and,Applicatio