robin osborne
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Is it possible to tell if a weld has good penetration by the heat affected zone. Should the heat affected zone be a certain width for a specific thickness of steel.
How did it work Al, if it produced no reinforcement where did the rod go to when burnt. By used to temper the capping pass was it a form of hard facing electrode.Just an aside
There used to be a welding rod that produced no weld......just a slag
It was made by Lastek.......maybe still is
It was designed to "temper" the capping pass
Is it a form of gouging rod then if it removes things. Or does it join/fuse metal together. Do the rods have a metal core? Where does that go when there burnt.Used regularly to remove stubborn nuts... It creates heat but doesn't deposit metal
interesting stuff. I've never come across these before. Cheers for the info.Richard,
This rod burns and makes smoke, but the metal core evaporates completely. No traces whatsoever on the workpiece, apart from some arc strikes. The workpiece does get red hot. Its uses are removing rusted nuts and such. Lastek makes a whole range of such specialty rods.
Edit: never seen it being used for a temper bead, but I do believe this is a possibility. Temper bead welding isn't much used anyway, as it's hard to do correctly, and it's almost impossible to check afterwards.
Just an aside
There used to be a welding rod that produced no weld......just a slag
It was made by Lastek.......maybe still is
It was designed to "temper" the capping pass