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Special Shaped Conical Steel Pipe
Custom special-shaped tapered steel tube made by plate rolling and welding, suitable for reducers, equipment shells, pile sleeves, and non-standard structural components.
| Material: | Q235B/Q235C/Q355B/Q355C/Q355ND; ASTM A36/A572 Gr50; EN S235/S355 series; JIS SS400/SM490; Russian St and 09G2S grades; stainless steel tapered cylinders available |
| Custom Dimensions: | Small-end diameter, large-end diameter, taper, and length can be produced to drawing |
| Wall Thickness: | 6-60 mm, with internal/external beveling, NDT, and corrosion protection available |
| Process: | Plate rolling, welding, nondestructive testing, sandblasting, black paint, or epoxy coal-tar coating |
Product Features
- Rolled and welded plate construction forms concentric tapered or custom transition sections to drawing requirements.
- Multiple materials and uniform wall thickness provide stable pressure performance and qualified weld quality.
- Diameter, taper, height, bevels, and surface treatments can be customized for project needs.
- Large-diameter non-standard forming suits transition sections, equipment shells, and special structural work.
Common Specifications
- Material: Q235B/Q235C/Q355B/Q355C/Q355ND; ASTM A36/A572 Gr50; EN S235/S355 series; JIS SS400/SM490; Russian St and 09G2S grades; stainless steel tapered cylinders available
- Custom Dimensions: Small-end diameter, large-end diameter, taper, and length can be produced to drawing
- Wall Thickness: 6-60 mm, with internal/external beveling, NDT, and corrosion protection available
- Process: Plate rolling, welding, nondestructive testing, sandblasting, black paint, or epoxy coal-tar coating
Applications
- Chemical equipment tower reducers, tank inlet/outlet transitions, and conical shells
- Bridge, wind-power, and foundation tapered steel sleeves
- Large-diameter pipeline reducers, dust-removal ducts, and ventilation transition cylinders
- Equipment support columns and hopper discharge cones
