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| 牌號 |
符合國標 GB983-1995 |
符合 美國 AWS |
化學成分(%) | 機械性能 | ||||||||||||||||
| C | Mn | Si | Cr | Ni | Mo | Cu | S | P | Nb | N | V | W |
σb (MPa) ≥ |
σS (MPa) |
δ5 (%) ≥ |
ADV(J) 常溫℃ |
||||
| A312SL | E309Mo-16 | E309Mo-16 | ≤0.12 | 0.5-2.5 | ≤0.90 | 22.0-25.0 | 12.0-14.0 | 2.0-3.0 | ≤0.75 | ≤0.03 | ≤0.04 | 550 | 25 | |||||||
| A317 | E309Mo-15 | E309Mo-15 | ≤0.12 | 0.5-2.5 | ≤0.90 | 22.0-25.0 | 12.0-14.0 | 2.0-3.0 | ≤0.75 | ≤0.03 | ≤0.04 | 550 | 25 | |||||||
| A402 | E310-16 | E310-16 | 0.08-0.20 | 1.0-2.5 | ≤0.75 | 25.0-28.0 | 20.0-22.5 | ≤0.75 | ≤0.75 | ≤0.03 | ≤0.03 | 550 | 25 | |||||||
| A407 | E310-15 | E310-15 | 0.08-0.20 | 1.0-2.5 | ≤0.75 | 25.0-28.0 | 20.0-22.5 | ≤0.75 | ≤0.75 | ≤0.03 | ≤0.03 | 550 | 25 | |||||||
| A412 | E310Mo-16 | E310Mo-16 | ≤0.12 | 1.0-2.5 | ≤0.75 | 25.0-28.0 | 20.0-22.0 | 2.0-3.0 | ≤0.75 | ≤0.03 | ≤0.03 | 550 | 25 | |||||||
| A422 | ≤0.20 | 5.0-10.0 | ≤1.20 | 23.0-27.0 | 16.0-20.0 | ≤0.03 | ≤0.03 | 540 | 30 | |||||||||||
| A427 | ≈0.20 | 5.0-10.0 | ≤1.20 | 23.0-27.0 | 16.0-20.0 | ≤0.03 | ≤0.03 | 540 | 30 | |||||||||||
| A432 | E310H-16 | E310H-16 | 0.35-0.45 | 1.0-2.5 | ≤0.75 | 25.0-28.0 | 20.0-22.5 | ≤0.75 | ≤0.75 | ≤0.03 | ≤0.03 | 620 | 10 | |||||||
