Oxy-Acetylene Welding of Steel & Iron There are many different varieties of steel, but from a welding standpoint they may be classified by their carbon content. Those having a high carbon content are called hard steels; those with a low carbon content, soft steels. Wrought iron may be treated the same as mild or soft steel. To be sure, there
Read more →Oxy-Acetylene Cutting Oxy-acetylene torches have an attachment for cutting, which can be attached to the welding torch. Here the flow of oxygen is controlled a lever. In planning the job, have the tanks firmly secured to prevent tipping over, the hose should be BEHIND you so as to protect it from damage due to flying sparks. Make certain also that
Read more →OxyFuel Welding Forehand a. In the OxyFuel Welding forehand method, the welding rod precedes the torch. The torch is held at approximately a 45 degree angle from the vertical in the direction of welding, as shown in figure 11-4. The flame is pointed in the direction of welding and directed between the rod and the molten puddle. This position permits
Read more →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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