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Technical articles, standards comparisons, project case studies and buyer guides on pressure piping components, flanges and forged fittings.
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TechnicalUnderstand the IIW carbon equivalent CEV formula, why it controls weldability, and how to use it when buying carbon and low-alloy pipe and fittings.
TechnicalCompare ASTM A350 LF2, LF3 and LF6 forged flanges by impact test temperature, chemistry and best-fit service for cold and cryogenic piping projects.
TechnicalA buyer's guide to ASTM A105 forged carbon steel flange chemistry limits, Brinell hardness ceiling, manganese-carbon trade-off and heat treatment options.
TechnicalFour common NDT methods are used on buttweld fittings and forged flanges. Each catches different defects — pick the wrong one and you ship the flaw.
TechnicalWPL6 fittings are spec'd by their Charpy V-notch impact properties at -45°C. Here is what your MTC must report and what the acceptance numbers actually are.
TechnicalUnderstand what ASTM A234 WPB requires for chemistry, heat treatment, and post-weld treatment so you can spec carbon-steel buttweld fittings without surprises at inspection.
