Acronym of AWS

( American Welding Society ) Tube welding American (AWS) is a scientific institution non-profit is to the progress of welding and associated processes in the field of standardization, training in the field of welding, cutting, and electric arc, gas, soldering, coating, thermal activity. This association in the year 1919 of the welding current American war in order to advance welding processes dependent on it was created.

free welding American documents are used and the quality control processes of welding has published. This documents contains instructions, specifications, procedures, recommended, classify, etc., and directories. The topics of the various documents published as follows:
- definitions, and symbols
- metal filler
- competence and test
- processes welding
- applications of welding
- safety

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