Requirements for metal materials in silica sol precision casting

Metal materials are materials with metallic properties composed of metal elements or mainly metal elements, such as carbon steel, stainless steel, copper-aluminum composites, etc., which are all indispensable materials for precision casting. The quality of metal materials determines the quality of castings to a large extent. Let’s take a look at the requirements for metal materials in manufacturing precision castings. First of all, metal materials for precision casting companies mainly come from outsourced materials and scrap castings of the company. , pouring riser. Outsourced metal materials are often in bulk and rarely pressed into cylinders. Materials of different materials are easily confused together, such as 316 material mixed with 304 or 430 material. Furthermore, precision casting companies should choose to purchase materials that are pressed into cylindrical shapes as much as possible. The chemical composition of each batch of purchased materials is analyzed using a spectrum analyzer. If possible, on-site inspections of suppliers should be conducted to evaluate whether their materials are labeled, protected, and stored in isolation. Finally, the company's scrap steel (scrap castings, pouring risers) must be rusted, degreased, sand cleaned and cleaned and dried to control the S and P components. In addition, scrap steel of different materials must be marked, protected, and stored separately to avoid confusion.