Spiral Welded Pipe For Gas Pipelines
Spiral Welded Pipes are created by rolling low carbon carbon steel or low alloy structural steel strips into pipe blanks at a specific spiral angle. These strips are then welded together to form steel pipes. At Cangzhou Spiral Steel Pipes Group Co., Ltd. we possess expertise in producing welded pipes ensuring the highest standards of quality and durability.
|
Standard |
Steel grade |
Chemical composition |
Tensile properties |
Charpy Impact Test and Drop Weight Tear Test |
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| 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 |
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| 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 Pipes excel in their ability to withstand pressure and extreme temperature variations making them the perfect choice for gas transportation applications. They exhibit resistance to corrosion. Are designed to meet the demanding requirements of the gas industry. Manufactured using state of the art technology and adhering to industry standards our pipes provide a solution, for all your gas pipeline needs.
Cangzhou Spiral Steel Pipes Group Co., Ltd. Takes pride in our dedication to delivering notch quality and dependable products. With a production capacity of 400,000 tons and a total value of 1.8 billion Yuan we have established ourselves as a trusted supplier, in the steel pipe industry. Our team of professionals ensures that every pipe manufactured meets the industry standards ensuring utmost customer satisfaction and peace of mind.
We fully understand the significance of secure gas transportation, which's why we constantly strive to enhance our production processes and technologies to provide our customers with the finest products available. Our Spiral Welded Pipes are subjected to quality control measures. Undergo strict testing procedures to guarantee exceptional performance and reliability.
Whether you are in need of gas pipes for gas distribution centers or industrial enterprises you can rely on Cangzhou Spiral Steel Pipes Group Co., Ltd. For the highest quality Spiral Welded Pipes. Get in touch with us today to discuss your requirements and let our experienced team help you find the solution, for all your gas transportation needs.
