ASME B16.9-2024 pipe elbow dimensions in mm and inch for 90° and 45° long radius and 90° short radius butt-weld elbows, NPS ½–48 — with tolerances, take-out, odd-angle cutting and a free cut-length calculator.
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.
PVC, CPVC, HDPE, GRP/GRE, and Concrete Non-metallic piping has become an important engineering solution for water, wastewater, chemical, utility, marine, and selected industrial services. Unlike metallic piping, these systems can provide excellent resistance to many corrosive environments while reducing corrosion-related maintenance. However, non-metallic does not automatically mean low-pressure, non-critical, or unsuitable for industrial service. The … Read more
Stainless steel is one of the most important material families used in process piping because its chromium-rich passive surface can provide strong resistance to many aqueous, chemical, atmospheric, and high-temperature environments. But “stainless steel” is not a single material. Austenitic, ferritic, martensitic, precipitation-hardening, duplex, and super duplex grades can have very different corrosion resistance, strength, … Read more
Free pipe pressure drop calculator for liquid, gas, steam, slurry and two-phase flow. Darcy-Weisbach, Colebrook-White, fittings, MMSCFD, pump power, worked examples and printable tables.
Free Aienginear pipe color code calculator for ASME A13.1-2023: marker colours by hazard, legend and field sizes from the finished OD, GHS pictograms, marker counts and batch schedules, with ISO 20560-1, BS 1710, IS 2379, AS 1345, ISO 14726 and NFPA 99 references.
Pipe material selection for various components depends on the types of materials they transport. Various liquids that can be flammable, corrosive, explosive, volatile, reactive, and sometimes hazardous to human health are transported through pipelines, which is why selecting the proper pipe material is critical for safe industrial operations. Process Conditions for Pipe Material Selection Piping … Read more
Piping Engineering Guides | Pipe, Class, Sizes & Inspection Aienginear · Piping Knowledge Hub Everything you need to understand piping, from first principles to inspection. Eight focused, standards-aligned guides that take you from what a pipe actually is, through pipe class, specifications, sizing and schedules, all the way to how pipe is made, marked and … Read more
50 piping interview questions and answers for 2026 by Aienginear — NPS and schedules, ASTM materials, fittings, ASME B16.5 flanges, B31.3 hydrotest and pneumatic testing, and pipe stress analysis, with printable tables, a self-test quiz and a free PDF.
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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