Effect of Boron on properties of impact resistance of nm400 steel plate
In the development process of more than 20 years, the company keeps pace with the times, keeps innovating its ideas, constantly adjusting its steel product impact resistance of NM400 steel plate structure, constantly strengthening its comprehensive competitiveness, constantly improving its management level, and more importantly, forming its corporate culture of elements and personality. The company always strives to build itself a comprehensive competitive steel impact resistance of NM400 steel plate supplier in the world.
impact resistance of NM400 steel plate surface cracks refer to the linear cracks on the surface of impact resistance of NM400 steel plate, which should generally be the same as the forging or rolling direction. Formation reason: it is mainly due to the hairline, hot crack and cold crack caused by surface over burning, decarburization, looseness, deformation and excessive internal stress during processing (forging, rolling, heat treatment, quenching and tempering), as well as the high content of sulfur and phosphorus impurities on the surface. Inspection method: impact resistance of NM400 steel plate surface cracks can be detected by naked eye observation, acid pickling, magnetic particle inspection, coloring inspection and metallographic method.
A good impact resistance of NM400 steel plate, automobile steel plate material must have a certain elastic performance, otherwise it will affect the overall comfort performance and aesthetics of the car, especially in the process of driving on some uneven roads. The good quality automobile steel plate can play a certain role in shock absorption, make the driver driving more comfortable. Especially for some drivers with long running length, it can reduce driving fatigue. The high-strength automobile steel plate is stronger in material, and it is more solid and firm when used in the overall frame and other parts of automobile manufacturing, which also improves the quality of the entire automobile.
Corrosion resistance of stainless steel mainly owes to the formation of a very thin, adhesive and translucent chromium oxide film on the surface of stainless steel. Once the film is damaged, the chromium in the stainless steel will react with oxygen in the atmosphere to restore the film quickly. At the same time, the mechanical damage can also generate a protective film quickly to prevent the impact resistance of NM400 steel plate, stainless steel from corrosion.
impact resistance of NM400 steel plate 2020 stock in Tianjin: 7*2920*8200, 32*3000*7440, 14*2150*9300, 16*2200*10000, 12.5*2900*11000, 7*2920*8200, 14*1950*11000, 80*2200*10000, 16*2230*7650, 7*2920*8780, 32*2900*9700, 20*1950*9550, 10*2200*7200, 23.1*2590*7790, 20*1400*11400, 20*1950*9700, 7*2920*8780, 20.9*2851*7000, 25*1600*9300, 30*2200*9000, 14*1950*10550, 30*1600*8600.
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