Features: 1) Stainless steel flange and carbon steel flange 2) Standard: ANSI, JIS, DIN 3) Material: 316L, 316Ti, 304L, 321, F304, 16Mo3, 13CrMo4-5 4) Production with anneal solution for stainless performance 5) Special design available Packing: Seaworthy plywood case.