2d 90BABA Bends R=2D 90º BABA Bends R=2D - 90° The pressed bends are made of two preformed halves and longitudinally fully welded together with a sheet thickness of 2.00 mm.Form I-90 Edition 040124. Page 1 of 7. For. . Use. Only. Application to Replace Permanent Resident Card. Department of Homeland Security.