Amateur but experienced welder, and no preheat was applied. The welds broke evenly from both the M/S and the EN24T removing approx. 1.5mm material from both welded surfaces. In effect I now have two unjointed pieces of steel and one perfectly formed bead of weld not attached to anything.
A split ring (made from 25mm section EN24T)has two 10mm M/S lugs welded on either side of the 5mm split. A component is placed in the ring and held in place via an M10 bolt through the lugs - closing the split together. The jig and component are placed in an oven at 165degC for 8 hours. When...