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Boiler steel mainly refers to materials used to make superheaters, main steam pipes and heating surfaces of boiler fire chambers. Boiler steel is a totally different material from 09CuPCrNi-A steel hardness. The performance requirements for boiler steel are mainly good welding performance, certain high temperature strength, alkali corrosion resistance, and oxidation resistance. Commonly used boiler steels include open-hearth smelted low-carbon killed steel or electric furnace smelted low-carbon steel, with carbon content Wc in the range of 0.16%-0.26%. When manufacturing high-pressure boilers, pearlitic heat-resistant steel or austenitic heat-resistant steel is used. In recent years, ordinary low-alloy steel has also been used to build boilers.
With the development of multimodal transport in the international shipping market and the increase of the complexity of the integrated transport chain, modern ports, as the intersection of the three transportation modes of sea, land and air, are developing from traditional transfer and product distribution functions to all-round value-added services, becoming the central link connecting the world's production, exchange, distribution and consumption, and supporting the world economy and international trade An important part of the developed international circulation system.
The refining process of 09CuPCrNi-A steel hardness, wear-resistant clad plate can improve the purity of liquid steel and meet the requirements of continuous casting for the composition and temperature of molten steel, and meet the quality requirements of special steel, ordinary steel and cast steel in industrial production. Because of its simple structure, convenient operation, diversified functions and low investment, it has been widely used and become one of the main out-of-furnace refining methods for smelting pure steel in the iron and steel industry.