... :ANSI,DIN,JIS,EN,GB 5.Stainless sprial welded steel pipe TypeStainless sprial welded steel pipeSizeSeamless Pipe: 1/2”~48”, DN15~DN1200, ... ),straight / reducing tee(TC/TR) ,SO ,WN,PL,BL,SW,TH flanges,pipe end cap,eccentric/concentric reducers ;sprial welded steel ... pipe (SSAW),seamless steel pipe (SMLS) ,and LSAW pipe! The sizes ...