Difference between S355ML carbon steel plate sheet and Q235B plate

Whose hardness is higher between 20# steel and45# steel, S355ML carbon steel plate sheet? Both 20# steel and 45# steel belong to high-quality carbon structural steel. According to the characteristics of high-quality carbon structural steel, its carbon content determines the performance of the steel. The higher the carbon content, the higher the hardness and strength of the steel, the lower the plasticity and toughness. The carbon content of No.20 steel and No.45 steel are 0.20% and 0.45% respectively, which shows that the hardness of No.45 steel is higher under the same process.

2020 October S355ML carbon steel plate sheet specification: 8*2200*10000, 16*2150*10400, 30*2500*6200, 31.2*2950*9380, 7*2200*8000, 30*2200*10000, 14*2400*9900, 18.5*2700*9570, 21*2100*8810, 14*2070*9060, 12*2200*10000, 14*1950*8000, 36*2200*7700, 7*2200*8000, 14*2070*9060, 10*2200*8000, 20*2500*10000, 14*2400*10000, 30*2000*7400, 6*2800*12000, 21*2100*8810, 32*2200*10000, 16*2150*10250, 27*2500*9000, 20*2100*7000, 21*2100*9100.

This week, the output of S355ML carbon steel plate sheet increased slightly, while the total inventory changed from decrease to increase, indicating that the apparent consumption of S355ML carbon steel plate sheet decreased again. At present, due to the current demand release is not as expected, while the S355ML carbon steel plate sheet production and inventory are still at a relatively high level, the market wait-and-see sentiment is strong. To sum up, it is expected that S355ML carbon steel plate sheet prices will continue to narrow consolidation in the short term.

Flat steel is divided into galvanized flat steel, carbon flat steel, stainless steel flat steel, etc. according to the material. Flat steel can be divided into hot-rolled flat steel and forged flat steel according to the forging process. S355ML carbon steel plate sheet, Hot-rolled flat steel is a potential-rolled long steel with a rectangular cross-section for general use. Forged flat steel is a long steel plate with a rectangular cross section that is forged. Hot-rolled spring flat steel is mainly used to manufacture leaf springs for automobiles, tractors, railway transportation and other machinery. The thickness of the flat steel is 8-50mm, the width is 150-625mm, and the length is 5-15m.