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sales@china-cfc.ccHeat-resistant steel refers to alloy steel with high strength and good chemical stability at high temperatures. The development of heat-resistant steel castings is closely related to the technological progress of power plants, boilers, gas turbines, internal combustion engines, aero engines and other industries. As the differences of work temperatures and stresses, and the various operating conditions, so there are different kinds of heat-resistant steel castings. In order to meet the continuous development of various working conditions, heat-resistant steel castings are constantly evolving, from the earliest low carbon steel and low alloy steel, to the high-alloy heat-resistant steel of complex composition and multi-alloyed.
have features of high temperature resistance, corrosion resistance, oxidation resistance, high sulfur resistance, impact resistance, free-cutting and weldability. Due to good thermal fatigue resistance and high temperature performance, they can be continuously used under high temperature and repeated use of them is not easy to occur hot crack. Compared to heat resistant steel products of the same kind, they can improve 1-3 times service life.
