Carbon Steel Pipe Helical Seam Spiral Welded Steel Pipe Used for Oil and Gas Pipeline
Advantages of Carbon steel Pipe Helical Seam Spiral Welded Steel Pipe in oil and Gas Pipeline Applications Carbon steel pipe helical seam spiral welded steel pipe is widely used in…
Advantages of Carbon steel Pipe Helical Seam Spiral Welded Steel Pipe in oil and Gas Pipeline Applications
Carbon steel pipe helical seam spiral welded steel pipe is widely used in oil and gas pipeline applications due to its numerous advantages. This type of pipe is made from carbon steel, which is known for its High strength and durability. The helical seam spiral welding process used to manufacture these pipes ensures a strong and reliable product that can withstand the harsh conditions of oil and gas pipelines.
| Tensile and Hardness Requirements | |||||||||
| Grade | Yield Strength MPa | Tensile Strength | Hardness a,c | Specified Wall thickness | Allowable Hardness Variation b | ||||
| Type | Total Elongation Under Load | min MPa | max | ||||||
| min | max | HRC | HBW | mm | HRC | ||||
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 |
| H40 | — | 0.5 | 276 | 552 | 414 | — | — | — | — |
| J55 | — | 0.5 | 379 | 552 | 517 | — | — | — | — |
| K55 | — | 0.5 | 379 | 552 | 655 | — | — | — | — |
| N80 | 1 | 0.5 | 552 | 758 | 689 | — | — | — | — |
| N80 | Q | 0.5 | 552 | 758 | 689 | — | — | — | — |
| R95 | — | 0.5 | 655 | 758 | 724 | — | — | — | — |
| l80 L80 | 1 | 0.5 | 552 | 655 | 655 | 23 | 241 | — | — |
| L80 | 9Cr 13Cr | 0.5 | 552 | 655 | 655 | 23 | 241 | — | — |
| 0.5 | 552 | 655 | 655 | 23 | 241 | — | — | ||
| C90 | 1 | 0.5 | 621 | 724 | 689 | 25.4 | 255 | £12.70 | 3 |
| 12.71 to 19.04 | 4 | ||||||||
| 19.05 to 25.39 | 5 | ||||||||
| ³ 25.40 | 6 | ||||||||
| T95 | 1 | 0.5 | 655 | 758 | 724 | 25.4 | 255 | £12.70 | 3 |
| 12.71 to 19.04 | 4 | ||||||||
| 19.05 to 25.39 | 5 | ||||||||
| ³ 25.40 | 6 | ||||||||
| C110 | — | 0.7 | 758 | 828 | 793 | 30 | 286 | £12.70 | 3 |
| 12.71 to 19.04 | 4 | ||||||||
| 19.05 to 25.39 | 5 | ||||||||
| ³ 25.40 | 6 | ||||||||
| P110 | — | 0.6 | 758 | 965 | 862 | — | — | — | — |
| Q125 | 1 | 0.65 | 862 | 1034 | 931 | b | — | £12.70 | 3 |
| 12.71 to 19.04 19.05 | 4 | ||||||||
| 5 | |||||||||
| a In case of dispute, laboratory Rockwell C hardness testing shall be used as the referee method. | |||||||||
| b No hardness limits are specified, but the maximum variation is restricted as a manufacturing control in accordance with 7.8 and 7.9. | |||||||||
| c For through-wall hardness tests of Grades L80 (all types), C90, T95 and C110, the requirements stated in HRC scale are for maximum mean hardness number. | |||||||||
P110One of the main advantages of carbon steel pipe helical seam spiral welded steel pipe is its cost-effectiveness. Compared to other types of pipes, such as seamless pipes, spiral welded pipes are more affordable. This makes them a popular choice for oil and gas pipeline projects, where large quantities of pipe are required. The cost savings associated with using spiral welded pipes can be significant, especially for long-distance pipelines.
In addition to being cost-effective, carbon steel pipe helical seam spiral welded steel pipe offers excellent strength and durability. The helical seam welding process creates a continuous weld along the Length of the pipe, resulting in a strong and reliable product. This makes spiral welded pipes suitable for high-pressure applications, such as oil and gas pipelines. They can withstand the extreme pressures and temperatures that are often encountered in these pipelines without compromising their structural integrity.
Another advantage of carbon steel pipe helical seam spiral welded steel pipe is its versatility. These pipes can be manufactured in a wide range of sizes and thicknesses to meet the specific requirements of different pipeline projects. Whether it is a small Diameter pipe for a local distribution network or a large diameter pipe for a long-distance transmission line, spiral welded pipes can be customized to suit the needs of the project. This flexibility makes them a preferred choice for oil and gas pipeline applications.
Furthermore, carbon steel pipe helical seam spiral welded steel pipe is easy to install and maintain. The helical seam welding process ensures a smooth and consistent surface, which facilitates easy installation. The pipes can be easily connected using standard welding techniques, making the installation process quick and efficient. Additionally, the smooth surface of spiral welded pipes minimizes the risk of corrosion and reduces the need for Maintenance. This results in lower maintenance costs and increased operational efficiency for oil and gas pipeline operators.
Lastly, carbon steel pipe helical seam spiral welded steel pipe is environmentally friendly. Carbon steel is a recyclable Material, which means that spiral welded pipes can be recycled at the end of their service life. This reduces the environmental impact of pipeline projects and promotes sustainability. Additionally, the durability of spiral welded pipes ensures a longer service life, reducing the