Articles

Lap joint flange and stub end explained: how the loose flange turns on a welded stub end, long vs short pattern per ASME B16.9 and B16.5, why carbon steel flanges on stainless pipe

How small-bore piping is joined: socket-weld vs threaded vs butt-weld fittings under ASME B16.11 and B16.9 - pressure classes, matching pipe wall, when to use each, marking and com

Choose the right flange class: ASME B16.5 pressure-temperature ratings for F316/F316L stainless steel, carbon steel comparison, bolt circle differences and a full purchase specific

ASME B16.9 butt-weld fittings explained: long and short radius elbow center-to-end dimensions, straight tee sizes, concentric and eccentric reducers, wall thickness rules and marki

Incoloy 825 plate buyers keep treating it like a seawater alloy and ordering to 930 MPa. Five specification errors, checked against ASTM B424 and real corrosion data.

Inconel 600 pipe explained from the product side: B167 chemistry, the four-row mechanical table most suppliers get wrong, strength at temperature, and the zero-molybdenum boundary.

254SMO pipe buyers ask the same 8 questions. PREN vs crevice limits, S31254 vs 904L vs AL-6XN, filler wire, standards and price — answered with data.

Same ASTM G28 report, three different plates. Here is how to read C276, C22 and 625 plate data — chemistry, corrosion rates, thickness and standards, side by side.

Do not assume 316L stainless steel pipe works everywhere in oil and gas. Learn the chloride-temperature limits, when to switch to 2205/2507/825, and how to avoid costly material mi

Complete reference guide for ASME B16.11 socket weld cap dimensions (NPS 1/8 to 4). Includes Class 3000/6000 weight charts, socket depths, and installation rules.

Calculate Duplex 2205 (UNS S32205) pipe wall thickness per ASME B31.3 with S32205-specific stress values, corrosion allowance logic, and Schedule selection guide.

Inconel 625 chemistry breakdown — what 9% molybdenum and 3.5% niobium do to corrosion resistance, where 625 outperforms 316L and 254SMO in chloride and seawater, where it fails, an