Different from aluminum ingots for aluminum die casting, the material for stainless steel casting is derived from the recycled and smelted scraps. According to the chemical composition ratio of stainless steel, the foundry controls the input percentage of elements such as chromium and nickel, so as to obtain molten stainless steel material.

Subcutaneous pores are generally formed 1-2 mm under the epidermis of the

precision machining