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Grade Q420 steel has high strength, especially in the normalizing or normalizing and tempering state. SA588 Grade B atmospheric corrosion resistant steel, Q420 steel has high comprehensive mechanical properties. Q420 steel is mainly used for large ships, bridges, power station equipment, medium and high pressure boilers, high pressure vessels, rolling stock, hoisting machinery, mining machinery and other large welded structural parts. Grade Q460 steel, with high strength, has high comprehensive mechanical properties in normalizing, normalizing and tempering or quenching and tempering states. The quality grades are C, D, E. Q460 steel is used in various large engineering structures and light structures requiring high strength and heavy load.
Management information and high efficiency. Because of the rapid flow of SA588 Grade B atmospheric corrosion resistant steel goods, container multimodal transport and "door-to-door" transport, it is required that the port must have a modern information network, so that it can have the comprehensive capabilities of all-weather access, rapid loading and unloading, customs clearance, collection, distribution, storage and transportation
Heat treatment process: heat treatment refers to a kind of process operation in which the metal or alloy can change the internal structure through certain heating, heat preservation and cooling methods in the solid range to obtain the required performance. SA588 Grade B atmospheric corrosion resistant steel Heat treatment process refers to the ability to change the microstructure and properties of SA588 Grade B atmospheric corrosion resistant steel after heat treatment, including hardenability, hardenability, temper brittleness, etc.