UA-69298255-1 Blog Little P.Eng. for Engineers Training

April 20, 2018

Failure Theories

The failure theories most commonly used in describing the strength of piping systems are the maximum principal stress theory and the maximum shear stress theory (also known as the Tresca criterion).
The maximum principal stress theory forms the basis fo...

March 16, 2018

The participant of this seminar will have an overview of the codes and standards governing the design of pressure retaining components and the piping design process. By the end of the seminar, the participant will understand pipe sizing for various flow conditions and...

September 25, 2017

Caulked and soldered joints are only permitted in Category D Fluid Service. Caulked joints are further limited to a maximum temperature of 93°C (200°F), and provisions are required to prevent disengagement of the joints and resist the effects of longitudinal forces due...

September 21, 2017

Tubing joints are covered by para. 315, and include flared, flareless, and compression-type tube fittings. ASME B31.3 provides some listed tubing joints; however, many tubing joints used in process piping are proprietary fittings that are qualified as unlisted componen...

September 18, 2017

Most threaded joints in ASME B31.3 piping systems are made with taper threads in accordance with ASME B 1.20.1. Figure 5.1 shows a taper thread. These threaded joints are generally acceptable for Normal Fluid Service and Category D Fluid Service. Paragraph 314.1(a) sta...

September 14, 2017

Flanges are discussed in previous post (ASME B31.3 Limitations on Flanges). Additional requirements for flanged joints are provided in para. 312 of ASME B31.3. These discuss conditions where flanges with different strengths are bolted together. This can involve two fla...

September 12, 2017

Welded joints are covered by para. 311 and are required to follow the ASME B31.3 rules for fabrication and examination. In addition, the following specific rules are also provided.

Weld backing rings are generally permitted to be left in. However, if the resulting crevi...

September 7, 2017

Requirements for bolting are provided in para. 309. Listed bolting is acceptable. The only relevant component standards are ASME Bl.l, Unified Inch Screw Threads (UNand UNR Thread Form). ASME B 18.2.1, Square and Hex Bolts and Screws (inch series), and ASME B 18.2.2, S...

September 7, 2017

Most fittings in ASME B31.3 piping systems are in accordance with the following listed standards:

  • ASME B16.3, Malleable Iron Threaded Finings

  • ASME B16.4, Gray Iron Threaded Fittings

  • ASME B16.9, Factory-Made Wrought Steel Buttwelding Finings

  • ASME B 16....

August 23, 2017

Whether you are looking for "ASME B31.3 Course", "ASME Courses" or "ASME Courses Calgary"; Little P.Eng. for Engineers Training is offering the most affordable courses across Calgary, AB. We are fully dedicated to train student engineers,...

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