Tube Products Incorporate manufactures Stainless Steel Made Slip On. Tube Products Incorporate is an ISO 9001:2008 accredited company. The company also manufactures and supplies carbon steel, stainless steel and alloy steel pipe fittings, flanges, piping spools and bulk pipes and plates. The Stainless Steel Made Slip On has outer diameter of 24". The Stainless Steel Made Slip On is also made of carbon steel and alloy steel. This Slip On is available in sizes ranging from 1/2" NB to 48" NB.