Welding Processes and Procedures |
Contents
Electric Arc Welding | 1 |
OxyGas Welding | 30 |
acteristics of the oxyacetylene flames Chemical reactions in | 46 |
Copyright | |
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acetylene alloys aluminum amount appearance applied arc welding bead become brazing carbide carbon cast iron cause coating common complete composition consists contain cooling copper cost cutting depending deposit designed desired direction distortion edges effect electric electrode elements Exercise Figure filler flame flow flux followed fusion given grain greater groove hard heat important increase INDICATES joining joint lead length less load low-carbon lower machine materials mechanical melting metal arc method molten Note obtained operator oxides oxy-acetylene oxygen parent metal pass pieces plate position possible practice preferred preheat preparation pressure produce properties protective range recommended reduced removed resistance result root shape shown in Fig shows SIDE slag solder speed stainless steels steel strength stress stud suitable surface SYMBOL Table temperature tend tensile tests thickness tion torch usually values vary voltage wire workpiece zone