Chemical analysis for EN steel grade S460QL1 material material

No. 45 steel is commonly used medium carbon quenched and tempered structural steel. The cold plasticity of No. 45 steel is generally better than EN steel grade S460QL1 material. Annealing and normalizing are better than quenching and tempering. No. 45 steel has higher strength and better machinability than Q345 steel. After proper heat treatment, it can obtain certain toughness, plasticity and wear resistance. No. 45 steel EN steel grade S460QL1 material is suitable for hydrogen welding and argon arc welding, but not suitable for gas welding. Preheating is required before welding, and stress relief annealing shall be conducted after welding.

5mm 6mm hot rolled thin plates product EN steel grade S460QL1 material inventory: 5*3000*8000, 5*3000*8400, 6*2800*9390, 5*2800*11880, 6*2614*7050, 5*3000*11650, 5*3000*9900, 5*3000*8300, 6*2854*8200, 5*2790*10500, 6*2854*9680, 5*3000*8800, 6*2854*7480, 6*2614*9250, 5*2990*10470, 5*3000*8600, 6*2800*9390, 6*2854*8500, 5*2990*10400, 5*2990*9000, 6*2854*6480, 6*2854*6800, 5*3000*7550, 6*2854*9390.

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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 EN steel grade S460QL1 material 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.