Specifies the needed cross-section, corresponding to Details a through k from API-650, Figure F.2. Detail a: 1 - ta, Thickness of angle leg 3 - tc, Thickness of shell plate 4 - th, Thickness of roof plate 6 - q, Angle between roof and horizontal 7 - Le, Unstiffened angle length Detail b: 1 - ta, Thickness of angle leg 3 - tc, Thickness of shell plate 4 - th, Thickness of roof plate 7 - Le, Unstiffened angle length Detail c: 1 - ta, Thickness of angle leg 3 - tc, Thickness of shell plate 4 - th, Thickness of roof plate 7 - Le, Unstiffened angle length Detail d: 1 - ta, Thickness of angle leg 3 - tc, Thickness of shell plate 4 - th, Thickness of roof plate 7 - Le, Unstiffened angle length Detail e: 1 - ta, Thickness of angle leg 3 - tc, Thickness of shell plate 4 - th, Thickness of roof plate 7 - Le, Unstiffened angle length Detail f: 1 - ta, Thickness of angle leg 3 - tc, Thickness of shell plate 4 - th, Thickness of roof plate 7 - Le, Unstiffened angle length Detail g: 1 - ta, Thickness of angle leg 3 - tc, Thickness of shell plate 4 - th, Thickness of roof plate 7 - Le, Unstiffened angle length Detail h: 1 - ta, Thickness of angle leg 2 - tb, Thickness of bar 3 - tc, Thickness of shell plate 4 - th, Thickness of roof plate 7 - Le, Unstiffened angle length Detail i: 2 - tb, Thickness of bar 3 - tc, Thickness of shell plate 7 - Le, Unstiffened angle length Detail k: 2 - tb, Thickness of bar 3 - tc, Thickness of shell plate 4 - th, Thickness of roof plate 5 - ts, Thickness of thickened plate in shell 7 - Le, Unstiffened angle length Adapted from API-650, Figure F.2, Permissible Details of Compression Rings
