Weldability of mechanical properties of nm550

According to the market forecast released by Eurofer on August 5, the output of all mechanical properties of NM550 steel consumption industries in the European Union will drop by 12.8% in 2020, and rise by 8.9% in 2021. However, the European Union said that the government's "awesome strength" support will reduce the mechanical properties of NM550 steel consumption intensity in the construction industry significantly less than other industries.

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The wear-resistant layer of mechanical properties of NM550 wear-resistant steel plate is mainly composed of chromium alloy, and other alloy components such as manganese, molybdenum, niobium and nickel are added. The carbide in the microstructure is distributed in the form of fiber, and the direction of the fiber is perpendicular to the surface. The microhardness of carbides can reach hv1700-2000 and HRC58-62 respectively. The alloy mechanical properties of NM550 carbide has strong stability at high temperature, high hardness and good oxidation resistance. It can be used normally within 500 ℃.

The main competitive means adopted by major domestic ports are to expand ports, build deep-water berths and channels, improve service quality to reduce the comprehensive cost of customers, and at the same time, to improve competitive advantage, we should also take appropriate measures to reduce relevant costs and prices.

Although mechanical properties of NM550, low carbon steel has excellent plasticity, toughness and processing technology, its strength is low and its corrosion resistance is not strong enough. On the basis of ordinary low carbon steel, the low alloy structural steel with high strength, high toughness, good weldability and corrosion resistance can be obtained by adding a small amount of alloy elements and the total amount is less than 3%. Manganese is the main additive element in this kind of steel, and its content is about 1% ~ 1.6%.

We have a professional production team and high-quality production equipment, and we also have a great mechanical properties of NM550 advantage in price, with its own factory, large-scale production to reduce the price. Strictly control each production line to ensure the mechanical properties of NM550 production of high-quality steel plates, steel pipes and other products that meet customer requirements.

We have a professional after-sales service team, the company has developed a clear service process and service standards, after-sales service team members strictly perform after-sales procedures, comply with service standards. The most important thing is that we have set up the correct concept of after-sales service, "customer first, sincere service for users".