A standards-checked guide to inspecting pipe fittings: what to check, which tests apply to which fitting, ASME B16.9 tolerances, NDT selection, the B16.9-2024 proof test and marking, with a free acceptance calculator and printable checklist.
ASTM A105/A105M-26 explained by Aienginear: chemistry and Mn allowance, 485/250 MPa strength, 197 HBW hardness, A105N and heat-treatment rules, ASME B16.5 Group 1.1 flange ratings, sour service, welding, MTR checks, plus a free flange rating finder and MTR chemistry checker.
Complete ASTM A53/A53M-24 guide: Type F, E and S pipe, Grade A vs Grade B, chemical composition, tensile and yield strength, Schedule 40 and 80 dimensions, tolerances, testing and selection.
Carbon steel is the fundamental material for industrial process piping due to its high tensile strength and versatility. Its performance depends heavily on the deoxidization manufacturing process—specifically, using fully “killed” steel to prevent porosity—and selecting the correct ASTM grade. While ASTM A106 (seamless) is mandated for high-temperature, high-pressure environments, ASTM A53 (welded or seamless) is … Read more
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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