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The issue of the applicable range of workpieces for hole bridge width in welding procedure qualification

2022-08-13View Original

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In the welding procedure qualification, for heat exchange tubes with a diameter of 12 mm and a wall thickness of 1.5 mm, how can the range of suitable weld materials be determined regarding the width of the hole bridges? (The designed diameter of the tube holes is 12.20 mm, and the center distance between the tube holes is 16 mm.)

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