What is A514 Gr Q steel material material

The hot rolling method is to heat the A514 Gr Q steel material steel material to about 1000 ℃ ~ 1250 ℃ and use the rolling mill to roll it. The traditional hot rolling process is generally divided into the following two steps: the first step is to use the primary rolling mill or billet rolling mill to roll the ingot, billet or continuous casting billet into a certain shape and size of billet. This kind of A514 Gr Q steel material rolling process is usually called semi-finished product production, also called blank production.

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A709 Gr50 American standard bridge steel plate is used to make riveted and bolt-welded road bridges and railway bridges (including cross-sea bridges). A514 Gr Q steel material, A709 Gr50 steel is widely used in engineering structures, such as construction steel structures, construction machinery, mining and mountain machinery, heavy trucks, bridges, pressure vessels, etc., especially for construction and engineering machinery parts that require good weldability and toughness.