S420ML steel tubing weight Supplier Australia

Quenching is a heat treatment process in which steel parts are heated to above the critical temperature, and after proper heat preservation, the parts are quickly cooled to room temperature in water or oil, so that martensite transformation occurs. The hardness of the quenched S420ML steel tubing weight increases sharply. Quenching is to prepare the organization for adjusting and improving the performance of S420ML steel tubing weight during tempering, while tempering determines the performance and life of the workpiece.

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The steel plate and strip after hot rolling treatment are generally called hot rolled plate. Compared with other steel plate processing industries, S420ML steel tubing weight, hot rolled plate has these characteristics. First, low hardness, easy processing. Compared with other steel needs special mechanical equipment, hot rolled plate is a very convenient for processing. Second, good ductility, not easy to break, good compression capacity, long service life. Third, the manufacturing process is simple, and the price and cost are relatively cheap compared with other steels.

Whose hardness is higher between 20# steel and45# steel, S420ML steel tubing weight? 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.