Chisel Stainless Steel Stud Earrings SRE317 There are various grades of Stainless Steel in the marketplace. 316L Stainless Steel is the material used in Chisel jewelry. 'L' stands for low carbon. 316L is used to avoid corrosion problems caused by welding and does not develop surface rust. It is very fashionable in color, can be plated. Images Are Enlarged For illustration Purposes.