Hot-dip galvanized steel angle bar is to immerse the derusted angle steel in a molten zinc solution at about 500°C to attach a zinc layer to the surface of the angle steel to achieve the purpose of anti-corrosion. It is suitable for various …
Abstract. The technogen concentrate containing copper sulfide was obtained by alkaline-sulfide leaching of tetrahedrite concentrate with Bi, Sb, and As contamination. The technogen concentrate ...