The Welding Bevels for the butt welding pipe fitting
The Welding Bevels for the butt welding pipe fitting2021/01/04 14:56:01
The Welding Bevels for the butt welding pipe fitting
In the case of butt welding pipe and/or fitting having unequal wall thi ckmness, of which the difference is m ore than 3 mm in outer surface and/or 1.5 mm in inner surface the end of the thicker pipe shall be trimmed by grinding. The gradient of this trimming shall be less than 30 betw een worked and unworked parts shown as above two photo.
The Welding Bevels for the butt welding pipe fitting