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The flame cutting process creates powerful stresses in steel, causing metal adjacent to the cut to expand. This expansion, caused by stress, forces the metal to move during the cutting process. Therefore, generous tolerances are called for with flame cutting. Added to consideration for dimensional tolerances is also a need to consider vertical deviation from square. Generally, a flame cut edge will deviate up to 1-1/2° from vertical. Such deviation has a minimal affect on lighter plate but can be significant with thicker materials causing the edge cut to be out of square. |
