A252 seamless or welded steel pipe is a cylindrical pipe of normal wall thickness, usually produced in a cylindrical shape. Surface imperfections with a depth greater than 25% are defined as defects. Otherwise, welding repair should be used.
Mechanical properties of A 252:
| Grade 1 | Grade 2 | Grade 3 | |
|---|---|---|---|
| Tensile Strength, min, psi | 50,000 | 60,000 | 66,000 |
| Yield Strength | 30,000 | 35,000 | 45,000 |
CHEMICAL REQUIREMENTS FOR A252:
| Phosphorus | |
| Seamless and ERW Welded | Max% 0.050 |


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