... 1. outside diameter: 75mm-2265mm2. thickness: 12mm-120mm3. standards: ANSI, DIN, JIS, BS, ISO, GB/T, JB, SH, HGS and so ... on.4. use: petroleum, chemical industry, medicine, electric power, astronautics, war ... ,WP22,304,316,314L,316L stainless steel high pressure pipe flange