Pipe inspection and testing guide: chemical and mechanical tests, NDT, ASME VIII vs B31.3 weld acceptance, hydrostatic test pressure (P = 2St/D) and hold times, ASTM/API 5L tolerances, marking, MTC and printable Aienginear tables.
Seamless pipe manufacturing process explained step by step: rotary piercing, MPM/PQF mandrel, plug and pilger mills, forging, extrusion, plus ERW/HFW, LSAW and HSAW welded pipe, ASME B31.3 weld joint factors, API 5L 47th edition and printable Aienginear tables.
32 piping interview questions and answers for 2026 by Aienginear — elbows, eccentric reducers, olets, NPS and schedules, pipe vs tube, material selection, flanges, valves, layout rules and ASME B31.3 testing, with printable tables, diagrams and a self-test quiz.
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