Heshan Steel Co., Ltd. 180mm thick high grade large thickness FH785 marine steel plate to achieve global debut

A few days ago, the research and development of 180mm thick high-grade and large-thickness FH785 marine steel plate was successful in Wuyang Iron and Steel Co., Ltd., realizing the "domestic debut" of this new product of high-grade, high-strength, high-efficiency and difficult marine steel.

This breaking foreign monopoly product has also become another witness to the continuous improvement of the R & D and production strength of steel materials used in high-end offshore engineering in Hegang.

Steel for marine engineering is the material prerequisite for the expansion of marine space and the development of marine resources, and it is also the material guarantee to enhance the strength of marine national defense and safeguard marine rights and interests.

High-grade and large-thickness steel for marine engineering is mainly used in large-scale marine equipment such as offshore oil production platforms and wind power installation ships. with the deepening of the working area, marine equipment needs to withstand harsh service environments such as wind waves, ocean undercurrents and atmospheric erosion, so the thickness, strength and toughness of the steel plates used are also gradually improved. In the past, special steel grades such as high-grade super-thick plates in key parts of China's marine construction steel still needed to be imported. In order to break the monopoly, Heshan Iron and Steel Co., Ltd. relies on the national major special project to develop high-grade and large-thickness FH785 offshore steel.

High-grade and large-thickness FH785 marine steel plate is a new type of environment-friendly steel material for marine engineering, which has super impact resistance and high strength, and its strength and toughness is twice as high as that of conventional marine steel. Compared with other high-grade marine steel, high-grade large-thickness FH785 marine steel plate is easy to be welded in the machining process, and it can also speed up the manufacturing process and reduce processing costs, which is a hot direction of production and research in the same industry at home and abroad. The thickness of high-grade and large-thickness FH785 marine steel plate is 180mm, the yield strength is 785MPa, and the impact work requires-60 ℃ low temperature toughness, which is the highest grade and maximum thickness that can be achieved by domestic large-thickness marine steel plate at present, and has higher requirements for technological innovation, equipment utilization and quality control.

Hegang Wuyang Iron and Steel Co., Ltd. has set up a special research and development group of marine engineering steel to solve the problem of easy performance in the production process of large thickness specification and ultra-high strength and toughness marine steel plate.