ASME B31.4:2002 pdf free download

ASME B31.4:2002 pdf free download.PIPELINE TRANSPORTATION SYSTEMS FOR LIOUID HYDROCARBONS AND OTHER LOUDS.
(b) Test Stresses due to Lest conditions are not subject to the limitations of pars. 402.3. It is not necessary to consider other occasional loads, such as wind and earthquake, as occurring concurrently with the live, dead, and test loads existing at the time of test.
402.4 Allowances
402.4.1 Corrosion. A wall thickness allowance for corrosion is not required if pipe and components are protected against corrosion in accordance with the requirements and procedures prescribed in Chapter VIII.
402.4.2 ThreadIng and Grooving. An allowance for thread or groove depth in inches (mm) shall be included in A of the equation under pars. 404.1.1 when threaded or grooved pipe is allowed by this Code (see pars. 414).
402.4.3 Weld Joint Factors. Longitudinal or spiral weld joint factors E for various types of pipe are listed in Table 402.4.3.
402.43 Waft Thkkness and Defect Tolerances. Wall thickness tolerances and defect tolerances for pipe shall be as specified in applicable pipe specifications or dimensional standards included in this Code by reference in Appendix A.
402.5 Fracture Propagation in Carbon Dioxide
Pipelines
402.5.1 DesIgn Consideratioas. The possibility of brittle and ductile propagating fractures shall be considered in the design of carbon dioxide pipelines. The design engineer shall provide reasonable protection to limit the occurrence and the length of fractures throughout the pipeline with special consideration at river crossings, road crossings, and other appropriate areas or intervals.
4023.2 BrIttle Fractures. Brittle fracture propagation Shall be prevented by selection of a pipe steel which fractures in a ductile manner at operating temperatures. API 5L supplementary requirements or similar specifications shall be used for testing requirements to ensure the proper pipe steel selection.
4023.3 Ductile Fractures. Ductile fracture propagation shall be minimized by the selection of a pipe steel with appropriate fracture toughness and/or by the installation of suitable fracture arrestors. Design consideration shall include pipe diameter, wall thickness,
fracture toughness, yield strength, operating pressure, operating temperature, and the decompression characteristics of carbon dioxide and its associated impurities.
PART 2 PRESSURE DESIGN OF PIPING COMPONENTS 403 CRITERIA FOR PRESSURE DESIGN OF PIPING COMPONENTS
The design of piping components, considering the effects of pressure, shall be in accordance with para. 404. In addition, the design shall provide for dynamic and weight effects included in para. 401 and design criteria in para. 402.
404 PRESSURE DESIGN OF COMPONENTS
404.1 Straight Pipe
404.1.1 General
(a) The nominal wall thickness of straight sections of steel pipe shall be equal to or greater than determined in accordance with the following equation.