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ASTM A588 steel plate is mainly used for welding bridges and buildings that require weight reduction or longer life. The atmospheric corrosion resistance of SPA-C steel for railway rolling stock, A588 steel under most environmental conditions is significantly better than that of carbon structural steels containing or without copper. When fully exposed to the atmosphere, SPA-C steel for railway rolling stock and A588 steel is suitable for many occasions in the bare (uncoated) state.
The addition of Ca element in steel such as SPA-C steel for railway rolling stock can refine grain size, partly desulphurize and change the composition, quantity and morphology of non-metallic inclusions. It is similar to that of adding rare earth in steel. It can improve the corrosion resistance, wear resistance, high temperature and low temperature resistance of steel, improve the impact toughness, fatigue strength, plasticity and welding performance of the steel, and increase the cold heading, shock resistance, hardness and contact endurance strength of the steel.
Our ogistics department has a professioanl team to support the goods’ transportation and delivery time. Its responsibilities: make customs clearance documents, track products production process, and update shipping information for customers. The company will adhere to the mission of reflecting social values, take the scientific management system as the guarantee of daily operations, and provide continuous technological innovation to support its sustainable development.
Penetration testing technology is only suitable for detecting surface defects. It uses penetrant to apply on the surface of the SPA-C steel for railway rolling stock steel plate, then wipes the excess penetrant with the cleaning solution, and then smears the developer. The penetrant remaining in the defect is adsorbed by the developing material, so as to observe the shape of the defect and determine the type of defect. This SPA-C steel for railway rolling stock method requires multiple wipes before and after the inspection, the process is more cumbersome, and can not detect internal defects and rough and dirty steel plates.