Akai Metal India Manufacture stainless steel flanges according to ASME, EN, ISO, and DIN standards. Stainless steel Slip-on flanges have an inner diameter that is a bit bigger than the outer diameter of the pipe flange. Stainless steel Slip-on flanges have a ring located over the end of the pipe and the face of the flanges extends from the pipe end. If Type C stub ends or Type B stub ends are used, these can also be used as lap joint flanges. Flanges slip on type is an easier way to align, compared to weld neck flanges. On the back of this kind of flanges, is joined the OD of these flanges.