Hexagonal Special-Shaped Seamless Steel Pipe Q235 A36 Hot-Dipped Galvanized 4-200mm OD with Crack Detection
Zhengde special-shaped steel pipes represent a comprehensive category of seamless steel pipes featuring non-circular cross-sections. These structural components offer superior mechanical properties compared to traditional round pipes, including enhanced moment of inertia, section modulus, and resistance to bending and torsion forces.
- Available in hot-rolled and cold-drawn manufacturing processes
- Hot-dipped galvanized coating for superior corrosion resistance
- Q235/A36 steel grades ensuring structural integrity
- Comprehensive crack detection for quality assurance
- Multiple cross-sectional shapes including hexagonal, oval, triangular, and more
- Significant weight reduction potential while maintaining structural strength
- Ideal for structural components, tools, and mechanical parts
Our special-shaped seamless steel pipes include: oval, triangular, hexagonal, rhombus, octagonal, semi-circular, unequal hexagonal, five-petal plum blossom, double convex, double concave, melon-shaped, conical, and corrugated profiles.
| Outer Diameter (mm) | Inner Diameter & Allowable Deviation (mm) |
|---|---|
| 4 | 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, 10.4±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, 31±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 | 53±0.25, 52.6±0.25, 52±0.25, 51.4±0.25, 51±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 | 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 | 87±0.40, 86.4±0.40, 86±0.40 |
| 100 | 96.4±0.45, 96±0.45 |
| 110 | 106±0.50 |
| 120 | 116±0.50 |
| 150 | Available upon request |
| 180 | Available upon request |
| 200 | Available upon request |
- Quality First: Strict adherence to production standards with comprehensive inspection protocols
- Competitive Pricing: Market-based pricing with volume discounts available
- Transaction Security: Guaranteed protection of customer funds and interests
- After-Sales Support: Comprehensive service and technical assistance
- Long-Term Partnership: Consistent quality, competitive pricing, and reliable service
Shandong Zhengde Metal Manufacturing Co., Ltd. operates multiple production facilities across China with over 100 production lines, 4 certified laboratories, and extensive quality control systems. Our products are exported to more than 50 countries worldwide.
Shandong Zhengde Metal Manufacturing Co., Ltd. is a comprehensive enterprise specializing in metal product manufacturing, including hot-rolled steel coils, cold-rolled steel coils, galvanized steel coils, color-coated steel coils, section steel, steel pipes, and various metal components.
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