Ultrahigh strength gas protection welding wire and manufacturing method thereof
A gas-shielded welding wire, ultra-high-strength technology, applied in the direction of manufacturing tools, welding media, welding equipment, etc., to achieve good welding performance, low production cost, and good economic benefits
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[0053] The ultra-high-strength gas-shielded welding wire and its manufacturing method according to the present invention will be further explained and illustrated in conjunction with the accompanying drawings and specific examples. However, such explanations and illustrations do not constitute improper limitations on the technical solution of the present invention.
[0054] Table 1 lists the mass percentage distribution of each chemical element in the welding wire in Examples 1-5.
[0055] Table 1. (wt.%, the balance is Fe and other unavoidable impurities except P, S, Al, O, N and H elements)
[0056]
[0057] The welding wire in Examples 1-5 of this case is obtained by the following steps: smelting in an induction furnace, refining, continuous casting into a bloom, hot rolling, slow cooling, spinning into a wire rod, pickling, rough drawing, rough drawing When it is drawn to Ф2.2mm-Ф3.5mm, heat treatment is carried out, fine drawing and copper plating are carried out, and ...
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