nm500 steel plate chemical elements
When pouring the wear-resistant steel plate with high Mn content, the content of manganese oxide in the mold powder will increase during the pouring process. The higher the Mn content in wear-resistant steel plate, NM500 steel plate, the more manganese oxide content in the mold powder. The higher the content of manganese oxide, the lower the viscosity of mold flux, which deviates from the initial viscosity of slag and gets the ideal value.
The weight of seamless steel pipe is only 1 / 5 of that of square steel. Seamless steel pipe corrosion resistance acid, alkali, salt and atmospheric environment corrosion, high temperature resistance, good impact and fatigue resistance, do not need regular maintenance. The effective service life of product NM500 steel plate more than 15 years.
Steel is an alloy of iron with carbon, silicon, manganese, phosphorus, sulfur and a small amount of other elements. In addition to iron, carbon content plays an important role in the mechanical properties of NM500 steel plate and so on steel. Iron and steel is an important raw material for machinery, construction, hardware and other industries. As an important pillar industry, the development of iron and steel has a glorious period, in which Tangshan was once an important production base of China's iron and steel. This is closely related to its geographical location and energy advantages.
Chinese iron ore and steel prices recovered on Thursday after easing on the first NM500 steel plate trading day of the year, but doubts remain over the sustainability of such gains amid concerns over growth in the world’s second-largest economy. The rebound followed news that China’s state planner has approved inter-city railway projects in the eastern provinces of Jiangsu and Anhui, with a combined total investment value of .7 billion. The most-active rebar contract on the Shanghai Futures Exchange ended the session up nearly 2 percent at 3,455 yuan (2.48) a tonne. Hot rolled NM500 steel plate coil climbed 1.3 percent to 3,350 yuan.