API RP 581 - 3rd Ed.2016 - Add.2-2020 - Risk-Based Inspection Methodology

RISK-BASED INSPECTION METHODOLOGY, PART 2—PROBABILITY OF FAILURE METHODOLOGY 2-31
Table 4.3—Required Geometry Data Based on the Geometry Type
Geometry Type Geometry Description Geometry Data
CYL Cylindrical shell — Diameter
— Length
— Volume
ELB Elbow or pipe bend — Diameter
— Bend radius
— Volume
SPH Spherical shell — Diameter
— Volume
HEM Hemispherical head — Diameter
— Volume
ELL Elliptical head — Diameter
— Major-to-minor axis ratio
— Volume
TOR Torispherical head — Diameter
— Crown radius (IR)
— Knuckle (IR)
— Volume
CON Conical shell — Diameter
— Length
— Cone angle
— Volume
RECT Rectangular cross section — Length
— Width
— Height
— Volume
NOZ Nozzle — Diameter
— Length
— Volume