... 4.Standard:ANSI,DIN,JIS,EN,GB 5.Stainless sprial welded steel pipe TypeStainless sprial welded steel pipeSizeSeamless Pipe: 1/2”~48”, DN15~DN1200 ... B/L)Our products :carbon steel ,alloy steel ,stainless steel pipes and pipe fittingssuch as: long/short radius elbows(EL/ES ... ,BL,SW,TH flanges,pipe end cap,eccentric/concentric reducers ;sprial welded steel pipe (SSAW),seamless steel pipe (SMLS) ,and LSAW ...