A573 Grade 65 carbon plate specification

Thin A573 Grade 65 carbon plate, steel plate is mainly used in automobile industry, aviation industry, enamel industry, electrical industry, machinery industry and other departments. The main requirement of thin steel plate is to facilitate bending and forming. The thinner the steel plate is, the easier it is to bend. The common specifications of thin steel plate include thickness less than 4mm, width about 500-1500mm and length about 1.5-4m.

Hydrogen (H) is the most harmful element in general steel such as A573 Grade 65 carbon plate. Hydrogen dissolved in steel will cause hydrogen embrittlement, white spots and other defects. Hydrogen, like oxygen and nitrogen, has very little solubility in solid steel. It dissolves into liquid steel at high temperature, and accumulates in the structure without time to escape when cooling, forming high-pressure micro pores, which greatly reduce the plasticity, toughness and fatigue strength of steel, and even cause cracks and brittle fracture in severe cases. "Hydrogen embrittlement" mainly occurs in martensitic steel, but not very prominent in ferrite steel, and generally increases with hardness and carbon content.

The cold bending method is mainly used to produce cold-formed section steel and welded pipe.
The cold bending method is to bend the steel strip or steel plate into various cross-section shapes by the cold bending machine in the cold state. If the A573 Grade 65 carbon plate steel pipe is bent into a circular, square or other hollow shape and welded by a proper welding method, it is a welded pipe. The advantages of cold bending: first, the cold-formed section steel is light in weight and large in bearing capacity, and it can save metal by replacing the hot-rolled section steel; second, it can produce all kinds of A573 Grade 65 carbon plate extremely thin, extremely wide and complex section steel which can not be produced by hot rolling.

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