![]() ![]() There are some precautions you should take when handling your tubing, as stainless-steel is susceptible to scratches. Please note that sanitary stainless tubing can be welded or seamless, but when the bend radius is tight, seamless tubes usually bend better. For a tube that you need to bend bent with a tight radius, you can instead use a rotary-draw bender. If the radius of the bend is large, the best practice is to use three-roll benders (also called section benders, angle rolls, and profile benders). ![]() The first thing to consider when you plan to bend a stainless-steel tube is its bend radius. The chrome and carbon in the material combine into chrome carbide particles, which depletes the chrome in the heated area, giving stainless steel its corrosion resistance. It’s always best to try to bend stainless steel cold, but if you must use heat, heat the tube between 8 degrees Fahrenheit and then leave it to cool. Using heat to bend stainless steel tubes can be difficult. If you’re looking to incorporate sanitary stainless-steel tubing into your facility, here are some considerations for bending stainless steel tubing. To this purpose, manufacturing facilities must bend and mold it into different shapes and sizes so that it can fulfill various needs. With its non-porous surface, stainless steel can fight off dirt, bacteria, and grime to prevent contamination. The pictures below show the final product which in this case will carry hydraulic fluid.Sanitary stainless-steel tubing is the best tubing to use for facilities handling food and beverages on account of its resistance to corrosion and how easy it is to sanitize. Other tubing of the same size and grade was bent with an offset.Ī full size template was made to allow for 100% inspection of the prototypes. JIC (Joint Industry Council) fittings are widely used in fuel delivery and fluid power applications, especially where extremely high pressure is involved. For example, 316 seamless stainless steel tubing 1.5 OD x 0.065 wall (16 ga) was bent with two 90 degree bends into a flat-back U. Process piping is often supplied this way. Cardboard, wood or plastic can be used to protect the tubing during transit.Īfter bending stainless steel tubing, a nut and sleeve can be slid over the ends which then can be flared. Furthermore, care should be taken to avoid having metal strapping in contact with the stainless parts. The machinery and tooling should be cleaned and prepared to avoid such contamination. Since the application of bent stainless tube often involves products for the pharmaceutical and food industries, care must be taken to avoid carbon contamination of the steel. These are prototypes for a vacuum pick-up tube system in a food processing plant. Recently we bent 8 pieces of 304 seamless stainless steel tubing 1.5 OD x 0.083 wall (14 ga) to a 5.25in inside radius with 81 degrees of arc and with 6in tangents on each end. When the desired radius is very tight, seamless usually bends better. If the bend has a large radius, the tubing can be curved with three-roll benders (also called section benders, profile benders, or angle rolls.) If the bend has a tight radius, the tubing can be bent on a rotary-draw bender through a process called mandrel tube bending.īoth welded and seamless tubing can be curved. A variety of methods can be used for bending stainless steel tubing. ![]()
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