Our main specifications of medium and heavy plates are thickness 6.0-180mm and width 1400-2700mm. In addition, the ship steel plate has been approved by the factories of the eight-nation classification society such as CCS, ABS, BV, LR, GL, NK, KR, and DNV. Our A36 mild steel plate, medium and heavy plates are widely used in manufacturing, logistics, and automotive industries such as construction machinery, mold processing, ships, bridges, high-rise buildings, pipeline transportation, automobile girders, automobile bridge shells, and pressure vessels.
Executive standard of 50# steel: GB / T 699 Delivery status: hot rolling, controlled rolling, normalizing, tempering, annealing, normalizing + tempering. Mechanical property analysis of A36 mild steel plate, 50# steel: 50# steel tensile strength: not less than 630 yield strength: not less than 375 Elongation: not less than 14 50# steel reduction of area: not less than 40 50# steel impact energy: not less than 31
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The deoxidation ability of Al is much stronger than that of Si and Mn when aluminum element (Al element) is added into steel as deoxidizer or alloying element. The main role of aluminum in A36 mild steel plate etc. steel is to refine grain size and fix nitrogen in steel, so as to significantly improve the impact toughness of steel and reduce the tendency of cold brittleness and aging. Al element can also improve the corrosion resistance of steel, especially when used with molybdenum, copper, silicon, chromium and other elements. The wear resistance of chromium molybdenum steel and chromium steel can be increased by containing Al element.
