... ,XXS Standard:ASTM,ASME,DIN,JIS Certificate:API,ISO,CCS STAINLESS STEEL REDUCER TypeButt welded pipe fittingsSizeSeamless 1/2" To 24" Welded ... ,anti-rust oil,hot galvanized,3PE coating, epoxy coating.Packingwooden case, pallet or as customers’ requirementApplicationsPetroleum,chemical,power,gas,metallurgy, shipbuilding ...