Deciphering Weld Symbols

The minimum center to center spacing for plug welds shall be 4 times the diameter of the hole The minimum center to center of slot welds (traverse direction (

How to calculate the shear stresses in bevelled slot welds connecting two plates References: “Steel Design for Engineers and Architects”, 1992:

plug or slot weld symbol The seam weld uses a similar process as a spot weld but in an elongated fashion There is no preparation like a plug or slot weld, rather the weld projects

plug and slot weld symbol Plug and slot welds join overlapping members, with one member containing holes Weld metal is