... :1) Carbon steel fitting and stainless steel fitting 2) Standard: ASME, ANSI, API, JIS, DIN 3) Material: WPB234, 3 Features:1 ... ) Carbon steel fitting and stainless steel fitting2) Standard: ASME, ANSI, API, JIS, DIN3) Material: WPB234, 316L, 304L, 321, 321H4 ... with anneal solution for stainless performanceOuter packing:Seaworthy plywood case pipe fitting carbon steel Pipe Cap