插条不能明显偏斜，开口缝应在中间，不管插条还是管端咬口翻边应准确、压紧，以后连接接头才会整齐、贴紧。
The not significant deviation, open seams should be in the middle, or whether cutting pipe end bite flange should be accurate, pressing, after the joint will be neat, close.
本实用新型公开了一种用于螺纹接头的管材，其特征在于：在靠近管体的端部有一扩张段，在扩张段的端部有一翻边。
The utility model discloses a pipe used for screw ends, which is characterized in that a divergent section is close to the end of the pipe body, and the end of the divergent section has a flange.
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