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Shaped seamless steel pipe is a general term for seamless steel pipes with cross-sectional shapes other than round pipes. According to the different shape and size of the steel pipe section, it can be divided into equal wall thickness special-shaped seamless steel pipe (code D), unequal wall thickness special-shaped seamless steel pipe (code BD), and variable diameter special-shaped seamless steel pipe (code BJ). It is an economic section steel pipe. Including non-circular cross-sectional contours, uniform wall thickness, variable wall thickness, variable diameter and variable wall thickness along the length, symmetrical and asymmetrical cross-sections, etc. Such as square, rectangle, cone, trapezoid, spiral, etc. Special-shaped steel pipes can better adapt to the particularity of use conditions, save metal and improve the labor productivity of parts manufacturing. Shaped steel pipes are divided into different shapes according to their shapes: outer hexagonal inner round steel pipe, outer inner hexagonal steel pipe, inner and outer hexagonal steel pipe, flat oval steel pipe, oval steel pipe, triangular pipe, L-shaped steel pipe, octagonal pipe, mushroom-shaped pipe, bread-shaped pipe, D-shaped Pipes, concave pipes, convex pipes, umbrella pipes, P-shaped pipes, ingot-shaped pipes and other special-shaped steel pipes. The shape of special-shaped steel pipes is produced according to the needs of users.
| Item | Shaped steel tube/ pipe |
| Standard | ASTM, DIN, ISO, EN, JIS, GB, etc. |
| Material | A53, A283-D , A135-A , A53-A, A106-A, A179-C, A214-C, A192, A226, A315-B, A53-B, A106-B, A178-C, A210-A-1, etc. |
| Size | Wall thickness: 2mm-25mm, or as required.Outside diameter: 10mm-350mm, or as required. Length: 6m-12m, or as required. Size can be customized according to customer needs. |
| Surface | black paint, varnish, oil, galvanized, anti corrosion coatings. |
| Application | It is widely used in aviation, automobile, shipbuilding, mining machinery, agricultural machinery, construction, textile and boiler manufacturing. The methods of producing special-shaped tubes include cold drawing, electric welding, extrusion, hot rolling, etc. The cold drawing method has been widely used. Special-shaped seamless steel pipes are widely used in various structural parts, tools and mechanical parts. Compared with round pipes, special-shaped pipes generally have larger moments of inertia and section modulus, and have greater bending and torsion resistance, which can greatly reduce structural weight and save steel. |
| Package | Standard export package, or as required. |
| Price term | Ex-work, FOB, CIF, CFR, etc. |
| Payment | T/T, L/C, Western Union, etc. |
| Certificates | ISO, SGS, BV. |
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