Articles
Articles techniques, comparaisons de normes, études de cas et guides d'achat sur la tuyauterie sous pression, les brides et les pièces forgées.
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NormesUnderstand the WP and CR classes in ASTM A815 for duplex stainless fittings, including subclasses WP-S, WP-W, WP-WX, and WP-WU, and how they affect procurement and inspection.
TechniqueMacroetch per ASTM E340 helps reveal weld penetration, cracks, and HAZ features. Learn how it fits into ASME Section IX qualification, what to verify, and RFQ inputs for buyers.
Guide d'achatA practical checklist for EPC engineers and procurement managers to verify ASME PCC-1 compliance in bolted flange joint assembly, covering procedures, training, and documentation.
NormesUnderstand ASTM A403/A403M for wrought austenitic stainless steel fittings: WP/CR grades, classes, heat treatment, and procurement checks for EPC buyers.
TechniqueLearn how ASTM E1077 and A960/A960M apply to decarburization depth on heat-treated fittings, and what to specify in your RFQ to avoid disputes.
Guide d'achatA practical RFQ checklist for ASME B16.49 induction bends, covering geometry, material, testing, and documentation requirements for transportation and distribution piping.
NormesASTM A694/A694M covers forged or rolled steel flanges, fittings, valves, and parts for high-strength transmission-service pipe. This guide explains grades, procurement checks, and inspection points for EPC buyers.
TechniqueGrain size testing under ASTM A182 is mandatory only for certain grades. Learn when ASTM E112 applies, which methods are used, and what buyers must verify before accepting a fitting.
Guide d'achatSpecifying orifice flanges requires more than a standard flange RFQ. This checklist covers ASME B16.36 scope, class/type limits, tap details, and documentation gaps to verify before ordering.
