IndiaNew product ATY deformable nozzle from Chinaeasy to use

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    2019-5-1 · The gas was fed through a nozzle tilted at an angle of 45° to the welded plate. The weld root was also protected by helium. The protective gas flow rate was 5 L/min. The oxide film was removed by means of chemical milling to a depth of 0.150.20 mm using 20% NaOH solution.

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