SM490 Flat Steel
SM490 Flat Steel Products Description
The chemical composition of SM490 flat steel mainly includes elements such as carbon (C), silicon (Si), manganese (Mn), phosphorus (P) and sulfur (S), and may also contain alloying elements such as vanadium (V), niobium (Nb) and titanium (Ti). The content of these elements has an important effect on the performance of steel plate, for example, an increase in carbon content will increase the yield point and tensile strength, but will reduce the plasticity and impact; silicon as a deoxidizer used to improve the elasticity limit of the steel, yield point and tensile strength; manganese helps to improve the strength and NMness of steel.
SM490 Flat Steel Products Applications
SM490 flat steel is widely used in construction, bridges, vehicles, ships, petroleum storage tanks and containers due to its high strength and good welding performance. For example, in the field of construction, it is often used in the frame structure and support system of high-rise buildings; in bridge engineering, it is used for main beams, piers and other important parts; in vehicle and shipbuilding, it is used for the body, hull and other key parts.
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