Introduction of SM490A carbon steel plate sheet

The steel such as SM490A carbon steel plate sheet delivered in the hot-rolled state has a certain degree of corrosion resistance due to the high temperature, so it can be stored in the open air. However, this layer of oxide scale also makes the hot-rolled steel surface rough and the size fluctuates greatly. Therefore, the steel with smooth surface, accurate size and good mechanical properties is required to be produced by using hot-rolled semi-finished products or finished products as raw materials and then cold rolling.

The mechanical properties of ASTM A514 steel plate are similar to that of Q690 in China. The hardness of A514 steel plate is 235-290, yield strength is more than 630Mpa and tensile strength is more than 700MPa. SM490A carbon steel plate sheet, A514 Gr F steel plate is mostly used in places where high tensile strength and high yield strength are required, such as lifting gear of engineering vehicle, rack of large excavator and offshore platform.

Among them, Russia's crude steel output was 71.6 million tons, down 0.7% year on year; Ukraine's crude steel output was 20.8 million tons, down 1.2% year on year. SM490A carbon steel plate sheet, Crude steel production in the Middle East was 45.3 million tons, up 19.2% year on year. The annual output of crude steel in South America is 41.2 million tons, down 8.4% year on year.