Kunlian Steel Pipe Factory gives you a detailed introduction to the definition of large-caliber thick-walled steel pipes for large-diameter thick-walled steel pipes. The main use is for machining, production of cylinders and other places! The outer diameter of large-diameter thick-walled steel pipe is usually more than 200mm, and the steel pipe whose wall thickness exceeds 20mm can reach a maximum diameter of 1220mm and a wall thickness of 80mm.
The production process of large-diameter thick-walled steel pipe generally includes hot rolling, hot coiling, casting and other production methods! Large-caliber thick-walled steel pipes are more common in double-sided submerged arc welding production processes. The products have been subjected to multiple procedures such as bending, welding, welding, welding, straightening, and flat-head welding to meet the requirements of the American Petroleum Institute. Large-caliber thick-walled steel pipes are mostly used in the construction of large-scale steel structures and serve as main support components such as bridge piling, subsea piling, and high-rise building piling. The material is generally selected Q345B, Q345C. Q345D, Q345E will also be used in lower temperature areas.
Steel weight formula: [(outer diameter - wall thickness) * wall thickness] * 0.02466 = kg/meter (weight per meter)
Shandong Liaocheng Kunlian Steel Tube Co., Ltd. specializes in thick-walled steel pipe, thick-walled seamless steel pipe, large-diameter thick-walled steel pipe, small-caliber thick-walled steel pipe, Shandong thick-walled steel pipe, Liaocheng thick-walled steel pipe, always keeping small profits and quick turnover - timely delivery - The principle of credit first, sales hotline:,.
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