China Fasteners Network Sharing: Structural Welding Requirements for the Back Side of General Lifting Rings

1. The vertical and horizontal structure of the reverse side of the general lifting ring is continuously welded on both sides. All longitudinal and horizontal frames within 1000mm from the center of the lifting ring need to be reinforced. The height of the reinforced welding leg should be based on the height of the original leg. Add another 2~3mm;

2. The vertical and horizontal structure of the reverse side of the general lifting ring is tack welding or intermittent welding according to the requirements of the drawing. All vertical and horizontal structures within 1500mm from the center of the lifting ring shall be continuously strengthened on both sides. On the basis of the height of welding foot, add 2~3mm;

3. If the vertical and horizontal structure on the reverse side of the lifting ring is not continuous within the range of the specified strengthening welding, the ends of the structure must be filled with fillet welding, and the welding height of the fillet welding should be 1.2K for strengthening welding (K is for strengthening welding. height).

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