TécnicoTécnico
Decarburization Depth on Heat-Treated Fittings
Learn how ASTM E1077 and A960/A960M apply to decarburization depth on heat-treated fittings, and what to specify in your RFQ to avoid disputes.
15 oct 20265 minHebei Haihao Group
Perspectivas
Centro de conocimiento
Artículos técnicos, comparaciones de normas, casos de proyecto y guías de compra sobre tubería a presión, bridas y accesorios forjados.
¿Nos encontró por Google? Obtenga una cotización de accesorios ASTM/ASME en 4 horas.
Enviar RFQ46 artículos· Técnico
Técnico
TécnicoTécnico
Grain Size Verification for Forged Stainless Fittings
Grain 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.
12 oct 20266 minHebei Haihao Group
TécnicoTécnico
Subsize Charpy Specimens and Impact Test Records for Fittings
Charpy impact records for pipe fittings often include subsize specimens. Learn what ASTM E23 and A370 actually require, and where acceptance criteria must be found.
9 oct 20266 minHebei Haihao Group
TécnicoTécnico
Weld Repair Acceptance for Wrought Steel Fittings
Weld repair acceptance for A234 and other wrought steel fittings is governed by the product specification, A960/A960M common requirements, and the purchase order — not by a generic visual pass/fail rule. Here's what to verify.
6 oct 20268 minHebei Haihao Group
TécnicoTécnico
ASTM A960 Wrought Fitting Requirements: What Buyers Must Know
ASTM A960 sets common requirements for wrought steel pipe fittings covered by individual ASTM product specs like A234. This guide explains what buyers must verify when ordering and inspecting fittings.
1 oct 20265 minHebei Haihao Group
TécnicoTécnico
Steel Forging Traceability Checks Under ASTM A961
How to verify heat identity, heat analysis vs product analysis, mechanical test evidence, and RFQ requirements when buying forged flanges to ASTM A961 and A105.
26 sept 20266 minHebei Haihao Group
TécnicoTécnico
Flange Facing and Gasket Compatibility Checklist
ASME publishes separate standards for metallic and nonmetallic gaskets. This checklist helps buyers cross-check gasket type, flange facing, and procurement details before issuing an RFQ.
21 sept 20265 minHebei Haihao Group
TécnicoTécnico
ASME B16.21 Nonmetallic Flat Gasket Selection Guide
ASME B16.21 defines nonmetallic flat gaskets for pipe flanges. This guide explains the standard's scope, why you must pair it with the mating flange standard, and what to verify during procurement to avoid misapplication.
16 sept 20266 minHebei Haihao Group
TécnicoTécnico
ASME B16.20 Metallic Gasket Selection for Flanged Joints
Learn how to select ASME B16.20 metallic gaskets for pipe flanges, verify compatibility with ASME B16.5 flanges, and avoid procurement pitfalls.
11 sept 20267 minHebei Haihao Group