... standards. We also manufacture other Stainless Steel Pipe Fittings.We are one of the leading Concentric ... , 347H, 409, 410, 410S, 420, 430Specificationscarbon reducer/pipe reducer/Eccentric Reducer Material:A234 WPB ST37 Standard:ASTM JIS ... (reducer)Angel30Degree,45Deg,60Deg,90Deg,180DegSurface treatmentAnti rust black painted/oiled, galvanizingQualityFirst Grade, by third partyPackagingWooden crate ...