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Special-shaped steel pipe is a general term for steel pipes with other cross-section shapes except circular pipes. According to the different section shape and size of the steel pipe, it can be divided into equal wall thickness shaped steel pipe, unequal wall thickness shaped steel pipe, variable diameter shaped steel pipe. It is an economic section steel pipe. It includes non-circular section profile, uniform wall thickness, variable wall thickness, variable diameter and variable wall thickness along length, symmetric and asymmetric section, etc. Such as square, rectangle, cone, trapezoid, spiral, etc. The special-shaped steel pipe can better adapt to the special conditions of use, save metal, and improve the labor productivity of parts manufacturing. Special-shaped steel pipes are divided into different 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, triangle pipe, L-shaped steel pipe, octagonal pipe, mushroom pipe, bread pipe, D-shaped pipe, concave pipe, convex pipe, umbel-shaped pipe, P-shaped pipe, ingot-shaped pipe and other special-shaped steel pipe. The shape of the shaped steel pipe 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. |