Stainless stub end are fittings used in place of welded flanges where rotating back up flanges are desired. Leading Manufacturer and Exporter of Stainless Steel Stub End such as Stainless Steel Stub Ends ASTM A403, Stainless Steel Stub End 304L, Stainless Steel Stub End 316L, Stainless Steel Stub End 317, Stainless Steel Stub End 317L, Stainless Steel Stub Ends and many more items from China. Minimum lap thickness shall not be less than nominal wall thickness. Contact faces of stub ends shall have a concentric serration or spiral according to the purchaser's requirements. These lengths and radius apply for schedule 40s or thinner stainless steel pipes. Radius of fillet B is only effective to MSS SP-43 lap joint stub ends. Butt weld long stub end ANSI ASME B16.9 Butt Weld Lap Joint Flange Stub End Lap Joints are consisted of three series. Nominal Pipe Size Outside Diameter at Bevel