Why leak coming after collar brazing. Collar brazing. Welding is an multi disciplinary subject. eliminate one by one

Question

Accepted Answer

Leak after collar brazing can occur due to various factors in welding process.

Possible reasons for leak after collar brazing include improper joint preparation, inadequate heat control, poor quality brazing material, or insufficient brazing technique.
Improper joint preparation can lead to gaps or misalignment, causing leaks.
Inadequate heat control may result in incomplete brazing, leading to weak joints and potential leaks.
Poor quality brazing material can have impurities or low melting point, affecting the integrity of the joint.
Insufficient brazing technique, such as improper torch angle or incorrect filler metal application, can contribute to leaks.
Identifying the specific cause requires thorough inspection and evaluation of the brazing process and materials used.

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