How To Keep Metal Cool While Welding. That will keep it hot long enough to get a nice slow cool for annealing. A supplied air respirator SAR with T94i-R can also provide heat stress relief.
The secret is that the heat and cooling from welding will shrink the metal around the weld seam to some degree. How do you stop metal from warping while you are welding. Start by clamping down the metal.
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This is done sometimes on tool steels immediately after shielded metal arc welding and before cool down. The primary cooling is by conduction which is affected by the temperature difference. Provided the base metal is a low carbon steel the microstructure of the HAZ will have little Martensite. Using clamps strongbacks and other methods of holding parts in place can keep the metal from moving during the welding process and holding it in the proper position as the metal cools and stresses are acting on the material.