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OxyFuel Cutting with MAPP Gas

On April 30th, 2008   /   OxyFuel Cutting   /   Leave a comment

Cutting with MAPP gas. (1) Quality cuts with MAPP gas require a proper balance between preheat flame adjustment, oxygen pressure, coupling distance, torch angle, travel speed, plate quality, and tip size. Oxyfuel ratios to control flame condition are given in table 11-4. (2) MAPP gas is similar to acetylene and other fuel gases in that it can be made to

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OxyFuel Welding Steel

On April 30th, 2008   /   Welding and Brazing Ferrous Metals   /   Leave a comment

Welding Steel. (1) General. The term “steel” may be applied to many ferrous metals which differ greatly in both chemical and physical properties. In general, they may be divided into plain carbon and alloy groups. By following the proper procedures, most steels can be successfully welded. However, parts fabricated by welding generally contain less than 0.30 percent carbon. Heat increases

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