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API 5L Grades | API 5L Chemical Composition | |||||||
| C | Si | Mn | P | S | V | Nb | Ti |
API 5L X42 | 0.16 | 0.45 | 1.65 | 0.020 | 0.010 | 0.07 | 0.05 | 0.04 |
API 5L X52 | 0.16 | 0.45 | 1.65 | 0.020 | 0.010 | 0.07 | 0.05 | 0.04 |
API 5L X60 | 0.16 | 0.45 | 1.65 | 0.020 | 0.010 | 0.08 | 0.05 | 0.04 |
API 5L X65 | 0.16 | 0.45 | 1.65 | 0.020 | 0.010 | 0.09 | 0.05 | 0.06 |
API 5L X70 | 0.17 | 0.45 | 1.75 | 0.020 | 0.010 | 0.10 | 0.05 | 0.06 |
API 5L Grades Grade | Yield Strength | Tensile Strength | Yield to Tensile | Elongation |
| min. (KSI) | min. (KSI) | Ratio (max) | % |
API 5L X42 | 42 | 60 | 0.93 | 23 |
API 5L X52 | 52 | 66 | 0.93 | 21 |
API 5L X60 | 60 | 75 | 0.93 | 23 |
API 5L X65 | 65 | 77 | 0.93 | 18 |
API 5L X70 | 70 | 82 | 0.93 | 17 |