steel screw piles manufacture
Quick Detail
- Minimum order:500
- Place of Origin:China (Mainland)
Specifications
Foundation Helical Piers/Screw piles/Helical anchor
| Foundation Helical Piers/Screw piles/Helical anchor | |||||
| Shaft Size | Installation Torque Factor (k) | Axial Compression Load Limit | Ultimate-Limit Tension Strength | Useable Torsional Strength | Practical Load Limit Based Torsional Strength |
| 1-1/2” Square Bar | 9 - 11 | 70,000 lb. | 70,000 lb. | 7,500 ft-lb | Load limited to the rated capacity of the attachments and the lateral soil strength against the shaft |
| 1-3/4” Square Bar | 9 - 11 | 100,000 lb. | 100,000 lb. | 11,000 ft-lb | |
| 2-1/4” Square Bar | 10 - 12 | 200,000 lb. | 200,000 lb. | 23,000 ft-lb | |
| 2-7/8” Tubular – 0.203” Wall | 8 - 9 | 60,000 lb. | 60,000 lb. | 5,500 ft-lb | 44,000 lb |
| 2-7/8” Tubular – 0.262” Wall | 8 - 9 | 100,000 lb. | 100,000 lb. | 9,500 ft-lb | 80,000 lb |
| 3-1/2” Tubular – 0.300” Wall | 7 - 8 | 115,000 lb. | 120,000 lb. | 13,000 ft-lb | 97,000 lb |
| 4-1/2” Tubular – 0.337” Wall | 6 - 7 | 160,000 lb. | 160,000 lb. | 22,000 ft-lb | 143,000 lb |
| Helix Blade | 8\", 10\", 12\" and 14\" in diameter with 3/8\", 1/2\" thickness. | ||||
| Finish | Plain, Hot Dipped Galvanized, Painted, Powder Coating are available on your request. |
Foundation Helical Piers/Screw piles/Helical anchor Advantages
| A time-proven, versatile, and technically sound system |
| Lower cost and faster installation than other methods |
| Installs quickly with small or handheld equipment. |
| Can be installed in limited-access areas or tight access. |
| Site cleanliness and minimize damage to landscape. |
| Soil load bearing capacity is tested during installation. |
| Helical anchors available with single, double and triple helix blades. |
| Available with optional hot-dip galvanization for added corrosion protection. FAQ: 1. Are your products the same with the ones in our local market? Yes, we produce according to FHWA and ATSSA standard, we manufactured millions of square sign posts and U channel posts for North American market during the past ten years and very familiar with every detail of these products. We believe that there is no company in China is more professional than us on this product. The MOQ for square sign post is 11000lbs for each size, for u channel post is 22000lbs for each size. You can mix different sizes of posts to make up a full container. If you want to know the MOQ for other products, please feel free to contact us. 3. How long is your lead time? Usually our production time for one container goods is about 30-40 days, and the shipping time depends on your place of delivery. 4. What is your payment term? Usually our payment term is T/T. We can receive the payment 1-3 days after you made payment. 5. Is it complicated to purchase your products if we have never imported? The whole process is very simple. We can take charge of the whole process including producing in China and shipping the products directly to your company. Our shipping agent in USA/Canada can deal with the customs clearance and inland transportation affairs for you. You just need to stay in your office to check our products. / |
