Yixing Futao Metal Structural Unit Co. Ltd
“Quality and Integrity over all else”
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26.3 Km 33kV Steel Tubular Swaged Pole For Power Evacuation Transmission Line
| Type | Steel Tubular Utility Pole for Power Distribution |
| Suitable Uses | Power Distribution |
| Shape | Tubular, Polygonal or Conical |
| Material | Q345B/A572,minimum yield strength>=345n/mm2 |
| Tolerance of Dimensions | +- 1% |
| Power | 10 KV ~550 KV |
| Safety Factor | Safety factor for conducting wire : 8 |
| Design Load in Kg | 300~ 1000 Kg applied to 50cm from pole top |
| Engraving | Name plate through rivet or glue ,engraving ,embossment as per customers’ requirements |
| Surface Treatment | Hot Dip Galvanization according to ASTM A123 standards/Powder Coating |
| Joint of Poles | Insert Mode, Inner Flange Mode, Face to Face Joint Mode. |
| Design of pole | Against earthquake of 8 grade |
| Wind Speed | 160Km/Hour 30m/s |
| Minimum Yield Strength | 355 mpa |
| Minimum Ultimate Tensile Strength | 490 mpa |
| Max Ultimate Tensile Strength | 620 mpa |
| Standard | ISO 9001 |
| Length per section | Within 14m once formed without slip joint |
| Welding | Internal and external double welding process produces a seamless surface |
| Thickness | 2 mm to 30 mm |
| Production Process | Verification of Materials→Cutting→Molding or Bending→Vertical Welding→Verification of Dimensions→Flange Welding→Hole Drilling→Calibration→Deburr Process→Galvanization or Powder Coating ,Painting→Recalibration→Threading→Packaging |
| Packaging | Our poles are usually covered by a mat or straw bale at the top and bottom. Packaging can also be done according to clients’ requirements. |
| IS Designation Overall Length | 410SP- 52 11 m | 410 SP-43 10 m | 410 SP-31 9 m | 410 SP-13 8 m | ||||||
| Planting depth. m | 1.8 | 1.8 | 1.5 | 1.5 | ||||||
| Length, m Top (h1) | 2.7 | 2.4 | 2 | 1.75 | ||||||
| Middle (h2) | 2.7 | 2.4 | 2 | 1.75 | ||||||
| Bottom (h3) | 5.6 | 5.2 | 5 | 4.50 | ||||||
| Outside Diameter, mm Top (h1) | 114.3 | 114.3 | 114.3 | 88.9 | ||||||
| Middle (h2) | 139.7 | 139.7 | 139.7 | 114.3 | ||||||
| Bottom (h3) | 165.1 | 165.1 | 165.1 | 139.7 | ||||||
| Thickness, mm | ||||||||||
| Top (h1) 3.65 3.65 | ||||||||||
| 3.65 | 3.25 | |||||||||
| Middle (h2) | 4.5 | 4.5 | 4.5 | 3.65 | ||||||
| Bottom (h3) | 4.5 | 4.5 | 4.5 | 4.5 | ||||||
| Approximate weight, kg | 175 | 160 | 147 | 101 | ||||||
| Crippling load, kgf | 307 | 348 | 367 | 301 | ||||||
| Application of load from top of pole, m | 0.6 | 0.6 | 0.3 | 0.3 | ||||||
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