Seamless
API 5L Seamless Line Pipe
API 5L seamless line pipe in Grade B through X70 at PSL1 and PSL2 — for crude oil, natural gas, and product transmission pipelines onshore and offshore.
API 5L seamless line pipe
OVERVIEW
The global pipeline specification.
API 5L is the worldwide standard for seamless and welded steel line pipe used in pipeline transportation systems. Global Seamless manufactures seamless API 5L pipe in Grade B through X70 at both PSL1 and PSL2 Product Specification Levels, covering the full range of onshore trunk lines, gathering systems, and offshore flowlines.
All PSL2 production includes mandatory Charpy impact testing, controlled carbon equivalent, 100% NDT, and sour-service testing to NACE TM0177/TM0284 where specified. API monogram certified.
✓ Grades: B, X42, X46, X52, X56, X60, X65, X70
✓ PSL1 and PSL2 specification levels
✓ Sizes: 2" through 16" seamless
✓ Sour service: HIC + SSC tested
✓ Coating coordination: 3LPE, FBE
✓ PSL1 and PSL2 specification levels
✓ Sizes: 2" through 16" seamless
✓ Sour service: HIC + SSC tested
✓ Coating coordination: 3LPE, FBE
API 5L seamless line pipe
DIMENSIONAL SPECIFICATIONS
Available size range.
Cold Drawn Seamless (CDS)
| Grade | Min Yield (MPa) | Min Tensile (MPa) | Typical Application |
|---|---|---|---|
| Grade B | 241 | 414 | Plant piping, gathering |
| X42 / X46 | 290 / 317 | 414 / 434 | Distribution, low-pressure |
| X52 / X56 | 359 / 386 | 455 / 490 | Trunk lines, transmission |
| X60 / X65 | 414 / 448 | 517 / 531 | HP transmission, offshore |
| X70 | 483 | 565 | Deep offshore, HP trunk |
APPLICATIONS & INDUSTRIES
Where these tubes get used.
Water & Utilities
Water transmission mains and industrial utility pipelines.
MATERIAL GRADES
Grade B through X70.
STANDARD
Gr. B · X42
General pipeline service, gathering systems, and plant piping.
HIGH STRENGTH
X65 · X70
High-pressure offshore and deep-water pipeline service.
TECHNICAL ARTICLES
Latest insights on line pipe.
ARTICLE
PSL1 vs PSL2 Specification Level
When to specify PSL1 and when PSL2 is mandatory.
ARTICLE
Sour Service Line Pipe NACE MR0175
HIC and SSC testing for H2S-containing pipelines.
ARTICLE
Coating Systems for Line Pipe
3LPE, 3LPP, FBE, and internal flow coating options.
RELATED PRODUCTS
Often paired with.
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