WDB620 steel is a new type of 60kg-class low-welding crack-sensitive high-strength steel plate (CF steel) with low welding crack sensitivity (CF steel) developed by Wugang to meet and meet the west-to-east power transmission project. It is divided into two grades: C and D. At the same time, the steel can also be used in bridges, ships, offshore oil platforms, coal mining machinery, engineering machinery and other industries. Since its successful development in 2001, it has met the technical requirements for the use of penstocks and volutes of dozens of large and medium-sized hydropower stations in China, simplified the production process of
Steel pipes and saved production costs.
BBN Steel can provide WDB620 steel plates with thickness ranging from 8-200mm. <=50mm thick steel plate is produced by TMCP process, >50-100mm steel plate is produced by quenching and tempering process. The steel plate has good strength and toughness matching, excellent low temperature impact toughness and cold formability, and good welding performance, especially <=50mm steel plate It has the characteristics of no preheating before welding and no heat treatment after welding, making on-site construction simple.
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