RathGibson sanitary tubing exceeds ASTM A270 S2 and 3A specifications and most user specifications. It is manufactured from the finest quality stainless steel materials made exclusively to the RathGibson melt criteria and formed by the RathGibson Micro-Weld™ process to assure weld seam integrity and industry leading ID & OD finishes to the low Ra values demanded by RathGibson’s customers. RathGibson leads the industry in manufacturing the highest quality welded sanitary tubing, backed with technical expertise, advanced manufacturing and polishing capabilities and unmatched service before and after the sale. All standard sanitary tubing sizes are available in 1/2" (12.7 mm) to 8" (203.2 mm) OD in 20' (6.1 m) lengths.