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After extrusion, the TB/T 1979 atmospheric corrosion resisting steel tube shall be removed for sizing. The sizing machine uses a cone-shaped bit to rotate into the steel embryo at high speed to drill holes to form steel pipes. The inner diameter of the steel pipe is determined by the outer diameter length of the drill bit of the sizing machine. After sizing, the steel pipe will enter the cooling tower and be cooled by water spray. After cooling, the steel pipe will be straightened. After straightening, the steel pipe is sent to the metal flaw detector (or hydraulic test) by the conveyor belt for internal flaw detection.
After 1975, our equipment includes blast furnaces, electric furnaces, vacuum refining furnaces, and electroslag furnaces. The product varieties are relatively complete. Plates, TB/T 1979 atmospheric corrosion resisting steel tubes, wires, belts, and profiles have a certain scale, including magnetic, elastic, expanded, bimetal and other precision alloy materials for national defense and electronics industries. In 1982, these plants produced 364,000 tons of TB/T 1979 atmospheric corrosion resisting steel steel and 542,000 tons of steel.
We are engaged in TB/T 1979 atmospheric corrosion resisting steel corten steel, weathering steel, atmosphere corrosion resistant steel materials. After receiving your inquiry about the weathering steel, we will make quotation for you at the first time. Meanwhile, our professional team can give you valuable answers about all kinds of question about the weathering steel. For example, corten steel cost per square foot, S355J2WP equivalent, TB/T 1979 atmospheric corrosion resisting steel ASTM A242 steel properties, A588 steel yield strength, etc. If you have any demands or questions about weathering steel, please feel free to contact us.
We focus on ensuring that we have a large availability of all hot rolled plate thicknesses and dimensions so that all normal requirements can be met on an ex-stock basis. We also aim to be able to meet requirements for larger quantities that would normally be ordered from the mill in order to help customers in the oil and gas industries to accelerate deliveries times of their projects.