China Stainless Steel ASTM A312 304L 316L Perforated Well Casing Pipe with Uniform Holes, Find details about China Drainage Pipe , AISI316L Perforated Casing Pipe from Stainless Steel ASTM A312 304L 316L Perforated Well Casing Pipe with Uniform Holes 316 / 316L Stainless Steel Pipe 316/ 316L stainless steel sheet. About 316 material:316 stainless steel by adding Mo element, the corrosion resistance, and high temperature strength has greatly improved, high temperature can reach 1200-1300 degrees, can be used in severe conditions.Corrosion resistance is better than 304 stainless steel , in pulp and paper production process has good corrosion resistance.