How much is the price of A572 grade 42 ms steel coil, medium and heavy plate? First of all, there are many kinds of medium and heavy plate specifications, and the prices of different specifications are also different. Secondly, there are many kinds of medium and heavy steel plate materials. Different materials / steel grades have different uses, and the price will also change. Thirdly, we should also look at the manufacturers of steel products and pay attention to the steel grades of different manufacturers, so as to avoid buying poor quality medium and heavy steel plates.
A709 Gr50 plate is a structural steel for bridge, also known as high strength low alloy steel plate. A572 grade 42 ms steel coil, A709 Gr50 steel is widely used in engineering structures, such as building steel structure, construction machinery, mining machinery, truck, bridge, pressure vessel, etc., especially for construction and engineering machinery parts requiring good weldability and toughness.
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The effect of nitrogen (N) on the properties of A572 grade 42 ms steel coil and so on steel is similar to that of carbon and phosphorus. With the increase of nitrogen content, the strength of steel can be significantly improved, especially the plasticity, especially toughness, and the weldability will be decreased, and the cold brittleness will be intensified. At the same time, aging tendency, cold brittleness and hot brittleness will be increased, which will damage the weldability and cold bending property of steel. Therefore, the nitrogen content in A572 grade 42 ms steel coil and so on steel should be reduced and limited as much as possible. Generally, nitrogen content should not be higher than 0.018%.
