What is the minimum effective throat size for flare bevel groove T-joints?

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Study for the CSA Welded Steel Construction – Metal Arc Welding (W59) Welding Inspector Level 1 Test. Prepare with flashcards and multiple choice questions, each with hints and explanations. Get ready for your exam!

Multiple Choice

What is the minimum effective throat size for flare bevel groove T-joints?

Explanation:
For flare bevel groove T-joints, the throat is the shortest distance through the weld from the root to the weld face, and it must be large enough to properly fill the groove and carry the design load given the curved geometry. The minimum effective throat is 0.25 times the radius of the rounded member, providing enough weld contact and reinforcement for this joint form. A smaller value like 0.2 would be undersized and risk underfill or insufficient strength, while larger values such as 0.3 or 0.5 meet the requirement but are not the minimum.

For flare bevel groove T-joints, the throat is the shortest distance through the weld from the root to the weld face, and it must be large enough to properly fill the groove and carry the design load given the curved geometry. The minimum effective throat is 0.25 times the radius of the rounded member, providing enough weld contact and reinforcement for this joint form. A smaller value like 0.2 would be undersized and risk underfill or insufficient strength, while larger values such as 0.3 or 0.5 meet the requirement but are not the minimum.

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