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q235 is a steel material. Q represents the yield of this material, behind 235, refers to the yield value of this material, at about 235. And with the increase of the thickness of the material to make its yield value decreases. Because carbon is moderate, good overall performance, strength, plasticity and welding properties get better coordination, the most widely used. Rolled often made of wire rod or bar, square steel, flat steel, angle steel, I-beam, channel steel, window frame steel and other steel, steel plate. A large number of applications in the construction and engineering structures. For the production of steel or building a plant frame, high-voltage transmission towers, bridges, vehicles, boilers, containers, ships, but also for a lot of performance requirements for the mechanical parts is not too high. C, D-class steel can also be used for some professional steel. This information source