Metal World Insight is a premier news source & technological knowledge enhancement platform for the metallurgist, steelmakers, and material research students. It covers the insights of iron and steel industries and other industries associated with it (refractory, raw materials- iron ore, coal, etc).
JSW Steel plans to close the deal for acquiring Vardhman Industries for Rs.127 crore by December-end as it has received the clarification from the National Company Law Appellate Tribunal (NCLAT).
Coal India Limited (CIL) subsidiary Mahanadi Coalfields Ltd (MCL) has started lifting 6,000 tonnes per day from the Manoharpur captive mine in Jharsuguda district allotted to Orissa Coal and Power Limited(OCPL), owned by the Odisha government.
India's crude steel output fell for the second straight month in November, declining 2.8 per cent to 8.934 MT as compared to 9.192 MT during November 2018, as per the latest report released by the World Steel Association (worldsteel).
India’s Steel Minister Mr. Dharmendra Pradhan announced that the government will come out with a white paper on steel industries in four months to reduce tax-related expenditure on steel companies and make them competitive. He said that the task will be completed in three-four months with the help of NITI Aayog and other ministries concerned.
Nozzle clogging in stainless steel can be due to thermal clogs or clogs due to agglomeration and precipitation of indigenous inclusions. Although there can be many reason some of the few potential causes of clogging; however, there are three generic issues: thermal problems, either due to heat transfer to the nozzle or low super heat in steel
The Union Coal Ministry has allocated two coal blocks to iron ore mining company NMDC for commercial mining. These include the Rohne and Tokisud North under Section 5(1) of the Coal Mines (Special Provisions) Act 2015, located at the Hazaribagh district of Jharkhand. Both the blocks are located at an aerial distance of 10-15 km apart.
The rate of inclusion separation increases with the degree of turbulence inside the nozzle. Local eddy transport is responsible for the collision of inclusions with the nozzle wall and buildup. The regions of low flow are more susceptible to clogging. The centripetal force aids the movement of inclusions toward the nozzle wall as steel flows around an outside radius, such as a sharp entry point.
Nozzle clogging is a serious issue that can interfere with castability but also can substantially reduce productivity by lowering down the casting throughout and casting speed (meant to compensate for chocking), unplanned tundish change, early ladle change over and frequent nozzle change.
The Andhra Pradesh Government signed a memorandum of understanding (MoU) on Wednesday with the state-run iron ore miner NMDC Ltd for the supply of iron ore to the proposed steel plant in Kadapa district of Andhra Pradesh for which the Chief Minister YS Jagan Mohan Reddy will be laying the foundation stone later this month.
the penetrated slag will either dissolve the surrounding refractory components, making new “open channels” and leading to further penetration, or the slag ions penetrate separately and more deeply via diffusion processes. The dissolution of refractory components in the slag not only makes new “open channels” (e.g. by connecting some closed pores) but also changes the local slag composition, and thus the slag viscosity and surface tension.