Special-shaped pipes are seamless steel pipes made into various special-shaped shapes by cold drawing. Special-shaped pipes are generally distinguished based on their broken cross-sections.

 

Classification

 

Steel pipe shaped pipes can be divided into oval shaped steel pipes, triangular shaped steel pipes, hexagonal shaped steel pipes, diamond shaped steel pipes, octagonal shaped steel pipes, semi-circular shaped steel rounds, unequal-sided hexagon shaped steel pipes, five-petal plum shaped shaped steel pipes , Double convex shaped steel pipe, double concave shaped steel pipe, melon seed shaped shaped steel pipe, conical shaped steel pipe, corrugated shaped steel pipe.

 

Specifications: 219mm-2020mm, wall thickness: 5mm-20mm;

 

Straight stitch specifications: 4 points, 6 points, 1 inch, 1.2 inches, 1.5 inches, 2 inches, 2.5 inches, 3 inches, 4 inches, 5 inches, 6 inches, 8 inches, 102, 108, 127, 133, 139, 159, 168, 177, 194, 219, 273, 325 and other specifications of special-shaped tubes. Generally refers to rectangular steel pipes.

 

type:

 

Special-shaped pipes can be divided into three categories: equal-wall special-shaped pipes, different-wall special-shaped pipes and variable cross-section pipes according to the characteristics of their cross-sections.