Mechanical Engineering | January 11, 2018 Purpose of the Flange Bolt Rules in ASME VIII and ... The partial objective of the ASME Appendices ASME VIII Div.1 Appendix 2, and ASME III Div.1 Appendix XI provide “Rules… Read More
Mechanical Engineering | January 3, 2018 Differential Thermal Expansion: A Challenge to Fla... by George Antaki and Jeremy Lundquist It is not uncommon to use B7 low alloy high-strength bolts on stainless steel flanges.… Read More
Mechanical Engineering | July 11, 2017 Capacity Reduction of a Compression Member with an... A recent review of equipment installed in a power plant found a piping strut that was visibly bent. Would the… Read More
Mechanical Engineering | March 30, 2017 Fitness-For-Service API 579-1/ASME FFS-1: Substant... Contributing Authors: Eileen Chant, Greg Epremian, Ranjan Nadarajah, Mark Stonehouse Summarized herein are the substantial changes to API 579-1/ASME FFS-1,… Read More
Mechanical Engineering | February 9, 2017 Loads on Buried Pipe: A 100-Year Old Empirical Fo... The evaluation of the effects of surcharge loads on buried pipes can be addressed using the Iowa formula. This formula,… Read More
Mechanical Engineering | December 29, 2016 Piping Settlement Screening Tool... Settlement of a pipe support foundation is usually not a big deal to assess. A local piping flexibility model will… Read More
Mechanical Engineering | September 14, 2016 Equipment Nozzle Loads... by Greg Hollinger and George Antaki One of the qualification requirements for a piping system is to keep the loads imparted… Read More
Mechanical Engineering | June 17, 2016 ASME B31.3 – Substantive Changes in the 2016... In addition to the many clarifications, updated references to codes and standards, updates to basic allowable stresses, and added listed… Read More
Mechanical Engineering | May 18, 2016 Reduced Toughness Properties of Some Modern Carbon... Changes in steelmaking practice are reported to be causing some carbon steel piping components that are assumed by ASME Codes… Read More
Mechanical Engineering | July 14, 2015 Design/Specification of FCC Replacement Parts and ... Overview Fluid Catalytic Cracking (FCC) units were first developed in the 1930s. Over the years this technology has evolved and it… Read More
Mechanical Engineering | July 13, 2015 Fitness-for-Service of Damaged Buried Pipe –... This article outlines the procedure to evaluate the fitness-for-service of corroded buried pipe, and explains what CC N-806 covers …… Read More
Mechanical Engineering | July 13, 2015 An Integrated Approach to Limit the Effects of Wat... This article describes an integrated study of thermal-hydraulic and structural loading of bounding piping systems, to establish an operating envelope,… Read More
Crude Refining & Production | July 3, 2015 State Approval of Used or Relocated Pressure Vesse... Achieving “State Special” designation for a pressure vessel can require a fair amount of effort in documentation development. This process… Read More
Mechanical Engineering | April 28, 2015 Explosive Failure of Vessels... FAILURE MODE - When an explosion (either a subsonic deflagration, or a supersonic detonation) occurs in a metallic vessel, one… Read More
Crude Refining & Production | April 7, 2015 Determining “Life” of Bulged Coke Drum... My previous blog on Equipment Health Monitoring (EHM) explains why EHM can be used to improve fatigue life of a… Read More
