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Line pipe is a type of high strength steel pipe that is used for transporting petroleum, natural gas, oil, and water through pipelines across the country. Line pipes include seamless, welded carbon steel or stainless steel piping.
Standard :
API 5L PSL1, API 5L PSL2,GB/T 9711 PSL1: L245, L290,L450Q, L485Q, L555Q, L245NS, L290NS,etc.Material :
API 5L PSL1,API 5L PSL2,GB/T 9711 PSL1,GB/T 9711 PSL2,etc.Thickness :
2/25-6 Inch, 0.0787-5.9 Inch, 2-150mm or as requested.Seamless Pipeline, Seamless Line Pipe
Standard: API 5L
Application: For gas, water, transportation in Petroleum and natural gas industries
Tolerance on Dimensions
Standard |
Out Diameter | Wall Thickness | |
API 5L | Tolerance | Tolerance | |
D<60.3 | +0.41mm, -0.80mm | +15.0%, -12.5% | |
D≥60.3 | +0.75%D, -0.75%D | +15.0%, -12.5% |
Standard
Standard | Grade | Chemical Components (%) | Mechanical Properties | ||||||
C | Si | Mn | P | S | Tensile STrength(Mpa) | Yield STrength(Mpa) | |||
API 5L PSL1 | A | 0.22 | - | 0.90 | 0.030 | 0.030 | ≥331 | ≥207 | |
B | 0.28 | - | 1.20 | 0.030 | 0.030 | ≥414 | ≥241 | ||
X42 | 0.28 | - | 1.30 | 0.030 | 0.030 | ≥414 | ≥290 | ||
X46 | 0.28 | - | 1.40 | 0.030 | 0.030 | ≥434 | ≥317 | ||
X52 | 0.28 | - | 1.40 | 0.030 | 0.030 | ≥455 | ≥359 | ||
X56 | 0.28 | - | 1.40 | 0.030 | 0.030 | ≥490 | ≥386 | ||
X60 | 0.28 | - | 1.40 | 0.030 | 0.030 | ≥517 | ≥448 | ||
X65 | 0.28 | - | 1.40 | 0.030 | 0.030 | ≥531 | ≥448 | ||
X70 | 0.28 | - | 1.40 | 0.030 | 0.030 | ≥565 | ≥483 | ||
API 5L PSL2 | B | 0.24 | - | 1.20 | 0.025 | 0.015 | ≥414 | ≥241 | |
X42 | 0.24 | - | 1.30 | 0.025 | 0.015 | ≥414 | ≥290 | ||
X46 | 0.24 | - | 1.40 | 0.025 | 0.015 | ≥434 | ≥317 | ||
X52 | 0.24 | - | 1.40 | 0.025 | 0.015 | ≥455 | ≥359 | ||
X56 | 0.24 | - | 1.40 | 0.025 | 0.015 | ≥490 | ≥386 | ||
X60 | 0.24 | - | 1.40 | 0.025 | 0.015 | ≥517 | ≥414 | ||
X65 | 0.24 | - | 1.40 | 0.025 | 0.015 | ≥531 | ≥448 | ||
X70 | 0.24 | - | 1.40 | 0.025 | 0.015 | ≥565 | ≥483 | ||
X80 | 0.24 | - | 1.40 | 0.025 | 0.015 | ≥621 | ≥552 |