S690QL1 hardness price is unlikely to slump in the short term

The steel such as S690QL1 hardness 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.

S690QL1 hardness, 14MnNbq steel is used for building bridge, especially for pipe pile of sea crossing bridge. It is used for bridge guardrail. 14MnNbq material is also used to make highway bridges and railway bridges (including sea crossing bridges) with riveted and bolted structures. It is used to build long-span bridges, especially for the construction of long-span bolted or welded railway bridges.

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