Welder Red Seal · Question
On a welding blueprint, a fillet weld symbol is shown with '6' to the left of the symbol and '100' to the right. What does this indicate?
According to standard welding symbol convention (AWS A2.4 / CSA W59), the number to the left of a fillet weld symbol indicates the leg size, and the number to t
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Question: On a welding blueprint, a fillet weld symbol is shown with '6' to the left of the symbol and '100' to the right. What does this indicate?
Answer options:
- A 6 mm long weld with a root opening of 100 mm.
- A weld penetrating 6 mm deep for 100% of the joint length.
- A 100 mm long weld with a leg size of 6 mm. ✅ A 6 mm leg size fillet weld that is 100 mm long.
Correct answer: A 6 mm leg size fillet weld that is 100 mm long.
Explanation: According to standard welding symbol convention (AWS A2.4 / CSA W59), the number to the left of a fillet weld symbol indicates the leg size, and the number to the right indicates the length of the weld.
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