To provide a steel strip welding method capable of surely obtaining a weld zone of excellent reliability by a simple equipment and to provide a welded steel strip obtained by the method.
A rear end part of a preceding steel strip is butted and welded to a forward end part of a succeeding steel strip. Grease is fed to the rear end part of the preceding steel strip and the forward end of the succeeding steel strip, and both end parts are welded to each other in a condition where the grease is burnt during the welding. The range to feed grease is preferably a part within 500mm from the rear end part of the preceding steel strip and from the forward end part of the succeeding steel strip, and the feeding quantity of grease is preferably ≥100g/m2 to 2000g/m2. Grease has preferably the viscosity of ≥5cSt to ≤100cSt in the kinematic viscosity at 40°C.
| WO/2007/031806 | CONNECTOR FOR CONNECTING WELDING TORCH |
| JPS591508 | [Title of the Invention] Welding equipment |
OKANO YOICHIRO
GUMI KAZUMA
