The special-shaped steel pipe can better adapt to the particularity of service conditions, save metal and improve the labor productivity of parts manufacturing. It is widely used in aviation, automobile, shipbuilding, mining machinery, agricultural machinery, construction, textile and boiler manufacturing. Cold drawing, electric welding, extrusion, hot rolling and so on are the methods to produce special-shaped pipes, among which the cold drawing method has been widely used.
Inquiry nowThe special-shaped steel pipe can be divided into elliptical special-shaped steel pipe, triangular special-shaped steel pipe, hexagonal special-shaped steel pipe, rhombic special-shaped steel pipe, octagonal special-shaped steel pipe, semicircular special-shaped steel pipe, unequal hexagonal special-shaped steel pipe, five petal quincunx special-shaped steel pipe, biconvex special-shaped steel pipe, double concave special-shaped steel pipe, melon shaped special-shaped steel pipe, conical special-shaped steel pipe and corrugated special-shaped steel pipe.
Chemical Composition
| 10#/SAE1010 | C, % | Si, % | Mn, % | P, % | S, % | Cr, % | Ni, % | Cu, % |
0.07-0.13 | 0.17-0.37 | 0.35-0.65 | 0.025 max | 0.025 max | 0.15 max | 0.30 max | 0.25 max | |
| 20#/SAE1020 | C, % | Si, % | Mn, % | P, % | S, % | Cr, % | Ni, % | Cu, % |
0.17-0.23 | 0.17-0.37 | 0.35-0.65 | 0.025 max | 0.025 max | 0.25 max | 0.30 max | 0.25 max | |
| 45#/SAE1045 | C, % | Si, % | Mn, % | P, % | S, % | Cr, % | Ni, % | Cu, % |
0.42-0.50 | 0.17-0.37 | 0.50-0.80 | 0.025 max | 0.025 max | 0.25 max | 0.30 max | 0.25 max | |
| Q345B/ST52 | C, % | Si, % | Mn, % | P, % | S, % | Cr, % | Ni, % | Cu, % |
0.24 max | 0.55 max | 1.60 max | 0.025 max | 0.025 max | 0.30 max | 0.30 max | 0.40 max |
The special-shaped steel pipe can better adapt to the particularity of service conditions, save metal and improve the labor productivity of parts manufacturing. It is widely used in aviation, automobile, shipbuilding, mining machinery, agricultural machinery, construction, textile and boiler manufacturing. Cold drawing, electric welding, extrusion, hot rolling and so on are the methods to produce special-shaped pipes, among which the cold drawing method has been widely used.
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