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| Mass fraction, based upon heat and product analysis % maximum | CARBON EQUIVALENT a | ||||||||||
| % MAXIMUM | |||||||||||
| Cb | Si | Mnb | P | S | V | Nb | Ti | Other | CEIIW | CEPcm | |
| SEAMLESS & WELDED PIPES | |||||||||||
| L320N or X60N | 0.24f | 0.45f | 1.4f | 0.025 | 0.015 | 0.10f | 0.05 | 0.04 | gh | 0.43 | 0.25 |
| L320Q or X60Q | 0.18f | 0.45f | 1.5f | 0.025 | 0.015 | g | g | g | h | 0.43 | 0.25 |
| WELDED PIPE | |||||||||||
| L290M OR 60M | 0.22f | 0.45f | 1.4f | 0.025 | 0.015 | g | g | g | h | 0.43 | 0.25 |
| Y.S | T.S | ELONGATION |
| Mpa(psi) | Mpa(psi) | |
| min | min | min |
| 415 (60 200) | 565 (81 900) | f |
| AVG. ABSORBED ENERGY | IND. ABSORBED ENERGY |
| Min.(joules) | Min.(joules) |
| 27 | 20 |