Features: 1) Carbon steel fitting and stainless steel fitting 2) Standard: ASME, ANSI, API, JIS, 1)Carbon steel fitting and stainless steel fitting2)Standard:ASME ,ANSI,API,JIS,DIN3)Material:WPB234,316L,304L,321,321H4)Size:1/2”---24”5)Production with anneal solution for stainless performance carbon steel pipe fitting /elbow