Quality requirements of nm400 steel grade
The advantage of hot-rolled stainless steel plate is that it can eliminate the damage caused by NM400 steel grade metal structure in the process of ingot casting to a certain extent, eliminate some tiny defects in the structure, refine the grains of stainless steel material, promote the structure of steel closer, and improve the performance of the material as a whole. This kind of lifting is mainly manifested in the rolling direction, which can make the NM400 steel grade steel no longer isotropic to some extent, and some defects such as bubbles, cracks and looseness formed during pouring can be eliminated under high temperature or high pressure.
NM400 steel grade surface cracks refer to the linear cracks on the surface of NM400 steel grade, 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: NM400 steel grade surface cracks can be detected by naked eye observation, acid pickling, magnetic particle inspection, coloring inspection and metallographic method.
The company regularly holds sales elites to share experiences, to promote the rapid growth of colleagues, and achieve the company and employees. The company conducts employee skill training and related knowledge video learning from time to time. All these things is to improve the employees' skills and literacy, and reflects its own value. It has always been the pursuit of BBN steel to enhance the employee’s ability and keep up with the times.
We guarantee to provide all technical data required by users within one hour to provide reasonable quotation; to provide NM400 steel grade reasonable quotation for products consulted by users within one hour; to provide investigation reception: we guarantee to receive the investigation of users at any time and provide various convenient conditions for users.
The company has always adhered to the corporate purpose of “improving benefits, creating wealth, benefiting employees, and giving back to the society”. We adhere to the corporate spirit of ""innovation, efficiency, integrity, and win-win"", attract first-class talents, strive for first-class indicators, create first-class benefits, build first-class enterprises, pursue excellence, innovative development, and efficiently serve the coordinated development of the Beijing-Tianjin-Hebei and the ""Belt and Road"" Economic development strategy.BEBON is willing to cooperate with friends from all sides for a win-win development!
Hot rolled plates are known for their superior mechanical properties over commodity grades of merchant bar. The hot rolled NM400 steel grade plates products are made to specific chemistry and mechanical properties ranges, allowing them to be used in engineered applications. Resulting shafts, axles, and gears can be used in the automotive NM400 steel grade industry and agriculture equipment. A36 mild steel has good strength, formability, and excellent welding properties. We also can supply welding, fabricating, and bending service.
