Minimum Bend Radius Sheet Metal Aluminum

The bend radii listed are standard minimum if manufacturing for aircraft and aerospace applications. Since commercial sheet metal bending can be done with less concern for stresses caused during forming operation the radius can be near zero for thin sheet metal. The minimum bend radius for aluminum when working with aluminum over sheet metal several variables need to be considered.

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It is most economical to use a single bend radius throughout the design but if necessary you can utilize multiple radii.

Minimum bend radius sheet metal aluminum.

Per the aluminum association inc. Aluminum minimum bend radii for 90 degree cold forming of sheet and plate. Radii for various thicknesses expressed in terms of thickness t. Bend radii minimum bend sizes.

The minimum bend radius data shown in these charts is measured to the inside of the bend. Minimum bend radius alloy 032 040 050 063 090 125 190 250 3003 h14 0 0 0 0 1 2 4 8 5052 h32 1 1 1 2 3 4 8 12 6061 t6 2 3 3 4 6 8 18 32 aluminum minimum bend radius in 1 32nds of an inch. In general parts should be designed with a minimum 1t bend radius radius matching the sheet thickness for the simplest setup and to ensure we can form the intended geometry. We recommend 5052 h32 for aluminum chassis projects.

Aluminum is typically thicker and stronger and requires more force to bend as well as consideration of edge conditions and punch nose radii. Use this document to choose values that are both manufacturable and meet your needs. Most aluminum requires considerations to ensure any bending is done using a large enough radius to ensure the material does not crack.