Floor Price Various Types Support Customization External Special-Shaped Steel Pipe

Special-shaped steel pipe uses
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 a larger moment of inertia and section modulus, and have greater bending and torsion resistance, which can greatly reduce the weight of the structure and save steel.
Special-shaped steel pipes can be divided into oval special-shaped steel pipes, triangular special-shaped steel pipes, hexagonal special-shaped steel pipes, rhombus special-shaped steel pipes, octagonal special-shaped steel pipes, semi-circular special-shaped steel pipes, unequal hexagonal special-shaped steel pipes, and five-petal plum blossom shaped special-shaped steel pipes. , Double convex special-shaped steel pipe, double concave special-shaped steel pipe, melon-shaped special-shaped steel pipe, conical special-shaped steel pipe, corrugated special-shaped steel pipe.
| Thickness±10% (smallest±0.12mm) | ||||||||
| 0.5 | -0.8 | 1 | -1.2 | 1.5 | -1.8 | 2 | ||
| outer diameter | Inner diameter (nominal value and allowable deviation) | |||||||
| Size | Allowable deviation | |||||||
| 4 | ±0.10 | 3±0.30 | 2.4±0.30 | 2±0.30 | ||||
| 6 | 5±0.25 | 4.4±0.25 | 4±0.25 | 3.6±0.30 | ||||
| 8 | 7±0.20 | 6.4±0.20 | 6±0.20 | 5.6±0.30 | 5±0.30 | 4.4±0.35 | 4±0.35 | |
| 10 | 9±0.15 | 8.4±0.15 | 8±0.20 | 7.6±0.25 | 7±0.25 | 6.4±0.30 | 6±0.30 | |
| 12 | 11±0.15 | l0.4±0.15 | 10±0.15 | 9.6±0,20 | 9±0.20 | 8.4±0.25 | 8±0.25 | |
| 14 | 13±0.10 | 12.4±0.10 | 12±0.10 | 11.6±0.15 | 11±0.15 | 10.4±0.20 | 10±0.20 | |
| 16 | 15±0.10 | 14.4±0.10 | 14±0.10 | 13.6±0.10 | 13±0.10 | 12.4±0.15 | 12±0.15 | |
| 25 | 24±0.10 | 23.4±0.10 | 23±0.10 | 22.6±0.10 | 22±0.10 | 21.4±0.10 | 21±0.10 | |
| -26 | 25±0.10 | 24.4±0.10 | 24±0.10 | 23.6±0.10 | 23±0.10 | 22.4±0.10 | 22±0.10 | |
| 28 | 27±0.10 | 26.4±0.10 | 26±0.10 | 25.6±0.10 | 25±0.10 | 24.4±0.10 | 24±0.10 | |
| 30 | 29±0.10 | 28.4±0.10 | 28±0.10 | 27.6±0.10 | 27±0.10 | 26.4±0.10 | 26±0.10 | |
| 35 | 34±0.15 | 33.4±0.15 | 33±0.15 | 32.6±0.15 | 32±0.15 | 31.4±0.15 | 3l±0.15 | |
| 38 | 37±0.15 | 36.4±0.15 | 36±0.15 | 35.6±0.15 | 35±0.15 | 34.4±0.15 | 34±0.15 | |
| 40 | 39±0.15 | 38.4±0.15 | 38±0.15 | 37.6±0.15 | 37±0.15 | 36.4±0.15 | 36±0.15 | |
| 45 | 43±0.20 | 42.6±0.20 | 42±0.20 | 41.4±0.20 | 41±0.20 | |||
| 50 | 48±0.20 | 47.6±0.20 | 47±0.20 | 46.4±0.20 | 46±0.20 | |||
| 55 | ±0.25 | 53±0.25 | 52.6±0.25 | 52±0.25 | 51.4±0.25 | 5l±0.25 | ||
| 60 | 58±0.25 | 57.6±0.25 | 57±0.25 | 56.4±0.25 | 56±0.25 | |||
| 70 | 68±0.30 | 67.6±0.30 | 67±0.30 | 66.4±0.30 | 66±0.30 | |||
| 76 | ±0.35 | 74±0.35 | 73.6±0.35 | 73±0.35 | 72.4±0.35 | 72±0.35 | ||
| 80 | 78±0.35 | 77.6±0.35 | 77±0.35 | 76.4±0.35 | 76±0.35 | |||
| 90 | ±0.40 | 87±0.40 | 86.4±0.40 | 86±0.40 | ||||
| 100 | ±0.45 | 96.4±0.45 | 96±0.45 | |||||
| 110 | ±0.50 | 106±0.50 | ||||||
| 120 | 116±0.50 | |||||||
| 150 | ±0.75 | |||||||
| 180 | ±0.90 | |||||||
| 200 | ±1.0 | |||||||



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