2d 90Kode alam 2D, 37 dan 90. Kode alam 3D, 154 dan 795. Kode alam 4D, 5027 dan 7610. 13. Kode Alam Ular Masuk Ke dalam Rumah Menurut ErekBABA 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.