Question
Download Solution PDFIn a fillet welded connection of steel structures, the sides containing the right angle of the fillet are called _____.
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFExplanation:
A fillet weld is a weld of approximately a triangular cross-section joining two surfaces at right angles to each other in a lap joint or tees joint.
Based on the cross-section of a fillet weld
- Standard fillet Weld: When the cross section of a fillet weld is 450 both legs of the fillet weld are equal in length.
- Special Fillet Weld: When the cross-section of the fillet weld is such that both legs are unequal, and it is of 300 and 600 triangle.
Additional InformationAs per IS 800:2007, Clause 10.5.2.3:
- The size of fillet welds shall not be less than 3 mm.
- The minimum size of the first run or of a single-run fillet weld shall be as given in Table 21 to avoid the risk of cracking in the absence of preheating.
Table 21 Minimum size of the first run or of a single run fillet weld
| Sl No | Thickness of thicker part (mm) | Minimum size of weld (mm) |
| 1 | 0 - 10 | 3 |
| 2 | 11 - 20 | 5 |
| 3 | 21 - 32 | 6 |
| 4 | 33 - 50 | 8 |
Last updated on May 28, 2025
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