Welding Tech

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Filler metal supplied as a wire on spools or reels. Wire material and diameter vary with the welding application.

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The metal or alloy to be added in making a welded, brazed, or soldered joint.

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The material to be added in making a welded, brazed, or soldered joint.

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Containing iron. Example: carbon steel, low alloy steels, stainless steel.

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Ferrite Numbers (FN) are the current industry accepted figures for specifying ferrite content in austenitic stainless steel weld metal, as approved by the Welding Research Council (WRC), American Welding Society (AWS) and other organizations. Adopted during the 1970?s, ?ferrite number? is not to be confused with ?Percent Ferrite? that is still used in some cases.