X60 Spiral Submerged Arc Welded Line Pipe For Oil Pipelines
X60 SSAW line pipe, also known as spiral submerged arc welded pipeline pipe, uses hot-rolled steel coils as raw materials to spirally bend the strip into pipes. This manufacturing process makes the pipe not only strong and durable, but also highly resistant to corrosion and stress. These qualities are critical for oil pipe lines, which are often subjected to harsh environmental conditions and high-pressure situations.
The Mechanical Properties Of The SSAW Pipe
| steel grade | minimum yield strength Mpa |
minimum Tensile strength Mpa |
Minimum Elongation % |
| B | 245 | 415 | 23 |
| X42 | 290 | 415 | 23 |
| X46 | 320 | 435 | 22 |
| X52 | 360 | 460 | 21 |
| X56 | 390 | 490 | 19 |
| X60 | 415 | 520 | 18 |
| X65 | 450 | 535 | 18 |
| X70 | 485 | 570 | 17 |
The Chemical Composition Of The SSAW Pipes
| steel grade | C | Mn | P | S | V+Nb+Ti |
| Max % | Max % | Max % | Max % | Max % | |
| B | 0.26 | 1.2 | 0.03 | 0.03 | 0.15 |
| X42 | 0.26 | 1.3 | 0.03 | 0.03 | 0.15 |
| X46 | 0.26 | 1.4 | 0.03 | 0.03 | 0.15 |
| X52 | 0.26 | 1.4 | 0.03 | 0.03 | 0.15 |
| X56 | 0.26 | 1.4 | 0.03 | 0.03 | 0.15 |
| X60 | 0.26 | 1.4 | 0.03 | 0.03 | 0.15 |
| X65 | 0.26 | 1.45 | 0.03 | 0.03 | 0.15 |
| X70 | 0.26 | 1.65 | 0.03 | 0.03 | 0.15 |
The Geometric Tolerance Of The SSAW Pipes
| Geometric tolerances | ||||||||||
| outside diameter | Wall thickness | straightness | out-of-roundness | mass | Maximum weld bead height | |||||
| D | T | |||||||||
| ≤1422mm | ＞1422mm | ＜15mm | ≥15mm | pipe end 1.5m | full length | pipe body | pipe end | T≤13mm | T＞13mm | |
| ±0.5% ≤4mm |
as agreed | ±10% | ±1.5mm | 3.2mm | 0.2% L | 0.020D | 0.015D | ‘+10% -3.5% |
3.5mm | 4.8mm |
Hydrostatic Test
One of the main advantages of X60 SSAW line pipe is its high strength. This pipe has a minimum yield strength of 60,000 psi, making it ideal for the high-pressure needs of oil and gas transportation. The spiral welding process also ensures that the pipe has a uniform wall thickness, which further increases its strength and reliability.
In addition to strength, X60 SSAW line pipe is known for its excellent ductility and impact toughness. This means the pipe is able to withstand the stresses and strains of transportation and installation without compromising its integrity. This is especially important for oil pipe lines, which often need to traverse challenging terrain and overcome various obstacles during construction.
Additionally, X60 SSAW line pipe is highly corrosion-resistant, making it a long-lasting and cost-effective solution for oil pipe lines. The spiral welding process creates a smooth surface and consistent welds, reducing the risk of corrosion and extending the life of the pipe. This is critical for oil pipelines, which are exposed to corrosive substances and environmental factors that can degrade poorer quality materials.
In oil pipeline construction, safety and reliability are of paramount importance. X60 SSAW line pipe ticks all the boxes here, providing a strong, durable and corrosion-resistant solution that can withstand the rigors of oil and gas transportation. Its high strength, excellent ductility and impact toughness make it a reliable choice for the most challenging pipeline projects.
In summary, X60 SSAW line pipe is the first choice for oil pipelines due to its superior strength, durability and corrosion resistance. Its spiral welding process produces pipes that can withstand high pressures, challenging terrain and corrosive environments, making them a reliable and cost-effective solution for oil and gas transportation. When constructing oil pipelines, choosing X60 spiral submerged arc welded pipeline pipe is a decision to ensure the safety and reliability of the entire operation.
