... .Material:Austentic 2.Grade:304/304L,316/316L,etc. 3.Application:petroleum,Chemical,ect stainless ... our company to give guidance for development. Stainless Steel Elbow 304L NameStainless Steel Pipe ElbowStandardGB/T12459, GB/T13401, SH3408, SH3409, ... JIS B2311, JIS B2312, JIS B2313Material GradeTP304, TP304H, TP304L, TP316, TP316L, TP321, TP321H, TP317L, TP310S, TP347HSizes Seamless type:1/2"-20 ...