Shielding gases for mag-welding of galvanized steel sheets and welding method using the same
AssigneeTaiyo Nippon Sanso Corporation
InventorsKatsunori Wada, Toshikazu Kamei
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Abstract
A shielding gas for MAG welding wherein a carbon steel solid wire is used for lap fillet welding of a galvanized steel sheet; wherein the shielding gas is a mixed gas composition consisting of 8 to 15% by volume of oxygen, 20 to 30% by volume of carbon dioxide, and residual % by volume of argon.
Claims5
A shielding gas for MAG welding wherein a carbon steel solid wire is used for lap fillet welding of a galvanized steel sheet;
- wherein the shielding gas is a mixed gas composition consisting of 8 to 15% by volume of oxygen, 20 to 30% by volume of carbon dioxide, and residual % by volume of argon.
A method for MAG welding of a galvanized steel sheet, wherein a mixed gas composition consisting of 8 to 15% by volume of oxygen, 20 to 30% by volume of carbon dioxide, and residual % by volume of argon, is used as a shielding gas to conduct lap fillet welding for a galvanized steel sheet by using a carbon steel solid wire.
Dependencies are inferred from the claim text.