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Comparison guides
Steel Pipe & Tube Comparisons
Pick the pair you are deciding between. Each guide covers the specification difference, where each option is the right call, and what to put in the RFQ.
All comparisons (15)
ERW vs Seamless Pipe — definitive comparisonA buyer-side decision guide for welded ERW pipe versus seamless pipe in Indian industrial procurement.IS 1239 vs IS 3589: Key Differences — Size Range, Class, Use (Table)Nominal-bore MS tubes versus large-diameter steel water pipes, with class, size, pressure and tender implications.ASTM A106 vs IS 1239 — cross-standard equivalenceWhy high-temperature seamless ASTM A106 is not an equivalent substitute for IS 1239 utility ERW pipe.Mild Steel (MS) vs Galvanised Iron (GI) PipeBlack mild-steel pipe versus zinc-coated galvanized pipe for water, fabrication and outdoor service.SA192 vs SA210 boiler tubes — service-temp boundaryMinimum-wall carbon boiler tube versus medium-carbon boiler and superheater tube for IBR procurement.API 5L PSL1 vs PSL2 — IBR boiler service guideAPI 5L PSL1 versus PSL2: tighter chemistry, CVN impact testing, and when IBR demands PSL2 for boiler service.SA210 vs SA213 — boiler tube grade-by-grade buyer guideCarbon-steel SA210 versus alloy-steel SA213 (T11, T22, T91) for boiler and superheater service. Temperature boundary, chemistry, cost and when to upgrade.LSAW vs HSAW Pipes — Key Differences, Sizes, Which to BuyLongitudinal SAW versus helical/spiral SAW pipe: plate vs coil, OD and wall range, pressure duty, cost and Indian tender selection.IS 1161 vs IS 1239 — Structural Tube or Water Pipe? Full ComparisonStructural circular steel tubes versus mild steel water/gas tubes: grade versus class, testing emphasis and how Indian buyers write the PO.Schedule 40 vs Schedule 80ASME B36.10 schedule system explained, with wall and weight tables for the most-asked NPS sizes.A106 vs A53High-temperature refinery pipe versus general-service utility pipe — chemistry, mechanicals, service limits and cost.DIN 2391 vs EN 10305Withdrawn German vs current European precision seamless cold-drawn tube standard, with grade and tolerance-class mapping.SS304 vs SS316Austenitic stainless pipe comparison covering molybdenum content, chloride service, cost premium and the 304L vs 316L low-carbon variants.Buttweld vs ThreadedJoint integrity, pressure rating, size range and installation cost — when to specify each in process, utility and instrument piping.Weld-Neck vs Slip-On FlangeProcess-piping weld-neck flange versus utility slip-on flange — pressure rating, welding, cost and decision rules.