A manufacturer supplying critical components to the oil and gas industry needed to produce hermetically sealed assemblies for use in harsh operating environments. These components required:
Conventional welding methods introduced excessive heat input, larger heat-affected zones and dimensional variation, creating challenges for components where sealing integrity and reliability were critical.
Electron Beam Welding (EBW) technology provides:
CVE’s experience with precision sensors, pressure transducers and valve-related assemblies made EBW particularly well suited to demanding oil and gas applications. We have specific expertise welding super-duplex stainless steel, a notoriously difficult material due to its microstructural balance, including phase balance shift, intermetallic phase formation, a narrow heat input window and solidification behaviour. Alongside the metallurgy, rigorous procedure control is essential; CVE has established deep process experience to manage this reliably.
EBW is particularly effective for:
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