The cored wire is to crush various additives (deoxidizer, desulfurizer,alterant , alloy, etc.)that are to be added to molten steel or molten iron into a certain particle size, and then use cold-rolled...
A binary alloy composed of silicon and calcium belongs to the category of ferroalloys. Its main components are silicon and calcium, and it also contains different amounts of impurities such as iron, a...
May 8th, 2019 Industrial development department of national development and reform commission、relevant comrades from the raw materials department of the ministry of industry and information technolog...
