heat exchanger tubes

TW202642119APending Publication Date: 2026-10-16WIELAND WERKE AG
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Patent Information

Application Number
TW115103382
Authority / Receiving Office
TW · TW
Patent Type
Applications
Current Assignee / Owner
Priority Date
2025-03-27
Filing Date
2026-01-28
Publication Date
2026-10-16

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Abstract

The present invention relates to a heat exchanger tube made of copper or a copper alloy, the heat exchanger tube having a tube wall, an outer side and an inner side, wherein the structure is embedded with at least 90 vol.-% columnar or ellipsoidal grains, and the tube wall has a hardness of at least 120 HV0.2 over the entire cross-sectional area.
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