Large-diameter thick-walled steel pipe is mainly used for mechanical processing, 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.
In warehouse loading dock, dock leveler is used to create a bridge between lorry floor and warehouse floor. Then forklifts or pallet truck can directly drive into container for loading or unloading.
We supply several different types dock levelers, including Fixed hinged lip hydraulic dock leveler, Mechanical dock leveler, Telescopic dock leveler and Manual edge of dock leveler.
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