The relationship between the groove of the pipe and its wall thickness
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If butt welding is used for the pipes: 1. Some people say that no beveling is required for pipes under 2 inches in diameter; 2. Others say that beveling is necessary for pipes with a wall thickness of more than 3 mm. I’m not sure which of the above understandings is correct; I would appreciate guidance from the experts.
If it is a pressure pipe, the thickness should be at least 3 millimeters; TIG welding should be used for the root pass. In short, thorough welding is the key principle
It’s difficult to achieve full penetration without a groove; a groove should be used.