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What are the standards for measuring the curvature of shaped steel pipes?
What are the standards for measuring the curvature of shaped steel pipes?
News Source:  | Release Time: 2026-06-17

(1) Cutting inclination of the end face of the special-shaped steel pipe
The tangency of the end face of the special-shaped steel pipe indicates the inclination degree of the end face of the steel pipe and the cross section of the steel pipe. In order to facilitate inspection, the standard generally does not use the Angle of the above two sections to express, but the distance between two surface points along the axis of the same tube end surface is expressed;
(2) The cross-section size of the special-shaped steel pipe
In order to ensure that the cross-section shape of the special-shaped steel pipe meets the requirements, the steel pipe standard limits the parameters that affect the cross-section shape (such as the end corner, the concave and convex value of the edge, the distortion value, etc.).
(3) Bending degree of special-shaped steel pipe
The bending degree indicates the deflection of the special-shaped steel pipe, and the bending degree of the full-length and the bending degree of the special-shaped pipe per meter are generally specified in the standard.
(4) end groove Angle and blunt edge
Some special-shaped steel pipes (such as pipeline pipes) need to be welded when used, so the standard specifies the size and allowable deviation of the end bevel Angle and blunt edge.