May 16, 2008 · Hi, ASME B31.3 calculation for Hydrostatic Pressure Test can be limited follows: (c) if the test pressure as defined above would produce a nominal pressure stress or longitudinal stress in …

Jul 20, 2012 · Peers, As per ASME B31.3 Table 341.3.2 Acceptance criteria for welds, is it important to meet all the acceptable values mentioned in the criteria. For eg. lack of root penetration for Normal …

Dec 9, 2008 · I need to qualify a welding procedure in accordance with Section IX, with the supplementary essential variables for Charpy impact testing as required by ASME B31.3. The base …

Mar 7, 2012 · Hi all, according to B31.3, the inspector is independent of the fabrication company or erector, and inspection does not releive the fabricator from providing examination services and …

Jan 12, 2005 · This still substantially exceeds the 25,000 psi that ASME B31.3 would seem to permit for this bolt. That is just one example, but my experience indicates that virtually all the owners and …

Nov 21, 2011 · Hi all, (a) Category D Fluid Service: a fluid service in which all the following apply: (1) the fluid handled is nonflammable, nontoxic, and not damaging to human tissues as defined in para. …

Mar 12, 2015 · Dear metengr, it means PWHT is mandatory for thickness less than 1", however above 1" can be exempted due to preheat. What is the effective date of B31.3-2014 ? is there any code …

Nov 5, 2024 · Dear All, Is it correct to assume that a wet sour gas with 20% H₂S and 40% CO₂ could potentially fall under Category M (ASME B31.3) due to the high hydrogen sulfide (H₂S) content?

Sep 10, 2018 · Question (2): In accordance with ASME B31.3-.1996 Edition, para. 335. 1.1 (c), do the requirements apply to all pipe sizes and pressure rating classes? Reply (2): Yes. This will still be …

Jan 17, 2024 · From reading through ASME B31.3 I cannot see any guidance on a specific number. From searching online and through forums the usual answer seems to be initial weld plus 2 repairs is …