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Please correct me if I am wrong or it is ok with this defect dimensions. I guess for 6.02mm inspection material thickness contain acceptable 25mm length indications consider big. Generally, API standards are reviewed and revised, reaffirmed, or withdrawn at least every five years. I am a bit shocked with attached API 1104 section 9.6 requirement compare with ASME B31.3 UT acceptance criteria because of rejectable defect length tolerance. Mechanized Welding with Filler Metal Additions.
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Maximum acceptable surface indications length as per 9.6.2.2(a) is 25mm. My current demonstration block weld length is 300mm. In that case I choose 1.5mm flaw height.ī)ğlaw length. I have thickness 6.02mm and as per attached linear individual indication section 9.6.2.1(b) any flaw height above 1/4t is rejectable. API 1604-2021 pdf download Closure of Underground Petroleum Storage Tanks 3.9 hot work Any work that has the potential to produce enough thermal energy to provide an ignition source in an area wherea potential exists for a flammable gas or vapor in-air atmosphere in the explosive (flammable) range to occur. Answering the practice questions serves as a valuable review of the section contents. I am in the mid of preparing demonstration block for PAUT.Ī)ğlaw Height. This API 1104 Study Guide consists of an introduction, 14 sections, each covering the corre-sponding section or annex of the standard along with exercise questions for each section, and several groups of practice questions with an answer key.
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1.ĝo we need to comply API 1104 ED 2013 section 11.4 for phased array weldment inspection or its only applicable for manual UT? Is there any other section in the code specifically referring PAUT or any other document need to be referred?Ģ.Ěs per section 11.4.3 acceptance criteria shall refer section 9.6.