![]() Common mistakes, what is PHMSA looking for?.The concept of essential variables & nonessential variable.Procedure Qualification & Documentation.Matching the filler metal to application.Welding Processes & Welding Consumables.PHMSA and Federal Regulations Related to API 1104 and ASME Section IX.Introduction, Historical Evolution of Weld Standards & Observed Pipeline Weld Performance.This standard also presents inspection methods to ensure the proper analysis of welding quality by qualified technicians and approved methodologies. It is applicable to new constructions and in service welding.ĪPI 1104 standard presents methods for the production of high-quality welds by the use of approved welding procedures, materials, and equipment. API 1104, Standard for Welding Pipelines & Related Facilities, provides guidelines for the gas and arc welding of butt, and fillets in carbon or low-alloy steel piping used in the compression, pumping & transmission of petrochemical and gas.
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