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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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Send RFQ33 articles· Buyer guide
Buyer guideHow first-time buyers structure a UCP 600 letter of credit for pipe fitting imports from China, with required documents, term, and risk-control tips.
Buyer guideSour service welding WPS and PQR requirements for buyers under NACE MR0175 / ISO 15156, including the 22 HRC hardness limit and survey methods.
Buyer guideMSS SP-25-2018 marking standard explained for pipe fitting and flange acceptance: required fields, marking methods, and a buyer audit checklist.
Buyer guideASME B16.25 buttwelding end bevel preparation explained for inspectors: angles, root face, internal taper, and a dimensional acceptance checklist.
Buyer guideASME B31.3 hydrostatic test procedure for pipe fittings explained: pressure calculation, hold time, water quality and a buyer witness checklist.
Buyer guideBrinell, UCI, Vickers, and Rockwell hardness testing for pipe fitting forgings explained: ASTM standards, when to use each, and how to read results.
Buyer guideHow to read XRF and OES PMI reports for stainless and alloy pipe fittings, including 316 vs 316L identification and acceptance criteria.
Buyer guideFOB vs CFR vs CIF vs DAP under Incoterms 2020 for pipe fittings importers, including risk transfer, insurance and cost split with sample PO wording.
Buyer guideWhich countries enforce ISPM-15 wood packing rules, what the IPPC stamp must show, and how pipe fitting exporters from China stay compliant.
