Large Diameter Welded Piling Pipes
In recent years, the demand for piling steel pipes in various industries has increased significantly. With the rapid growth of construction and infrastructure development, the diameter of piling pipe is becoming larger and larger. Therefore, the need for high quality spiral welded large diameter steel pipe piles becomes critical.
At our company, we have recognized this growing need and developed a top solution to meet the needs of the market – our large diameter steel pipe piles. These piled pipes are designed to provide the primary load-bearing capacity of deepwater terminals, making them an essential component of any marine construction project.
|
Standard |
Steel grade |
Chemical composition |
Tensile properties |
Charpy Impact Test and Drop Weight Tear Test |
||||||||||||||
| C | Si | Mn | P | S | V | Nb | Ti | CEV4)（%） | Rt0.5 Mpa Yield strength | Rm Mpa Tensile Strength | Rt0.5/ Rm | （L0=5.65 √ S0 ）Elongation A% | ||||||
| max | max | max | max | max | max | max | max | Other | max | min | max | min | max | max | min | |||
| L245MB |
0.22 |
0.45 |
1.2 |
0.025 |
0.15 |
0.05 |
0.05 |
0.04 |
1) |
0.4 |
245 |
450 |
415 |
760 |
0.93 |
22 |
Charpy impact test: Impact absorbing energy of pipe body and weld seam shall be tested as required in the original standard. For details, see the original standard. Drop weight tear test: Optional shearing area |
|
|
GB/T9711-2011（PSL2） |
L290MB |
0.22 |
0.45 |
1.3 |
0.025 |
0.015 |
0.05 |
0.05 |
0.04 |
1) |
0.4 |
290 |
495 |
415 |
21 |
|||
| L320MB |
0.22 |
0.45 |
1.3 |
0.025 |
0.015 |
0.05 |
0.05 |
0.04 |
1) |
0.41 |
320 |
500 |
430 |
21 |
||||
| L360MB |
0.22 |
0.45 |
1.4 |
0.025 |
0.015 |
1) |
0.41 |
360 |
530 |
460 |
20 |
|||||||
| L390MB |
0.22 |
0.45 |
1.4 |
0.025 |
0.15 |
1) |
0.41 |
390 |
545 |
490 |
20 |
|||||||
| L415MB |
0.12 |
0.45 |
1.6 |
0.025 |
0.015 |
1)2)3 |
0.42 |
415 |
565 |
520 |
18 |
|||||||
| L450MB |
0.12 |
0.45 |
1.6 |
0.025 |
0.015 |
1)2)3 |
0.43 |
450 |
600 |
535 |
18 |
|||||||
| L485MB |
0.12 |
0.45 |
1.7 |
0.025 |
0.015 |
1)2)3 |
0.43 |
485 |
635 |
570 |
18 |
|||||||
| L555MB |
0.12 |
0.45 |
1.85 |
0.025 |
0.015 |
1)2)3 | Negotiation |
555 |
705 |
625 |
825 |
0.95 |
18 |
|||||
| Note: | ||||||||||||||||||
| 1）0.015 ≤ Altot ＜ 0.060；N ≤ 0.012；AI—N ≥ 2—1；Cu ≤ 0.25；Ni ≤ 0.30；Cr ≤ 0.30；Mo ≤ 0.10 | ||||||||||||||||||
| 2）V+Nb+Ti ≤ 0.015% | ||||||||||||||||||
| 3）For all steel grades, Mo may ≤ 0.35%, under a contract. | ||||||||||||||||||
| Mn Cr+Mo+V Cu+Ni 4）CEV=C+ 6 + 5 + 5 | ||||||||||||||||||
Our spiral welded steel pipe piles are manufactured using the latest technology to withstand the harshest environments. Whether it is bridge construction, road construction, high-rise buildings or any other application that requires a reliable foundation, our piling pipes are ideal.
What sets our piling pipes apart is their exceptional quality and durability. We understand the importance of a strong and stable foundation, which is why we go to great lengths to ensure that our large diameter steel pipe piles meet the highest standards of excellence. With their sturdy construction and advanced welding technology, our piling pipes are built to last, giving you peace of mind knowing your project is backed by the best technology in the industry.
Additionally, our piling pipes are available in a variety of sizes to meet the specific needs of your project. Whether you need large diameter welded pipe or smaller sizes, we can provide the perfect solution to your requirements.
Additionally, we are very proud of our commitment to environmental sustainability. Our spiral welded steel pipe piles are manufactured using environmentally friendly processes, ensuring that they not only meet the highest quality standards but also comply with strict environmental regulations. This means that when you choose our piling pipes, you are not only investing in a reliable and durable foundation solution, but you are also contributing to a greener, more sustainable future.
In summary, our piling pipes, including spiral welded steel pipe piles, are the epitome of excellence in the industry. With their unparalleled quality, durability and environmental sustainability, they are the perfect choice for any project that requires a reliable foundation. Therefore, when it comes to meeting your piling pipe needs, our company is your best choice. We are committed to providing you with the best solutions for all your basic requirements.
