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Steel hydraulic tubing minimum bend radius10/30/2023 ![]() Mandrel bending is a popular technique for bending stainless steel tubing, as it allows for tight-radius bends without compromising the structural integrity of the tubing. This means that the tubing may need to be bent slightly more than the desired final shape to compensate for this springback. Bending the tubing to a smaller radius will require more force and may cause the tubing to become flattened or distorted.īe aware of springback: Stainless steel tubing will have a tendency to "spring back" to its original shape after it has been bent. The final shape of the tubing will depend on the degree of bend and the radius of the bend. For example, austenitic stainless steels, such as 304 and 316, are more ductile and can be bent more easily than martensitic stainless steels, such as 410 and 420. Choose the right type of stainless steel:ĭifferent grades of stainless steel have different levels of ductility, or the ability to be deformed without breaking. It may also be helpful to use a bending mandrel to support the tubing while it is being bent and to prevent the walls of the tubing from collapsing. Make sure to apply pressure evenly when bending the tubing to avoid kinks or crimps. Use the right equipment: Use a hydraulic tube bender or a mechanical bender with enough capacity to handle the size and thickness of the tubing you are working with.
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