Grade A420 ship steel plate is an extra high strength ship plate which owned the minimum yield strength at 420 Mpa.When rolling steel plate LR A420,low temperature impacting test shall be done at zero centigrade.
A420 ship steel plate Chemical composition
| C | Si | Mn | P | S | Al | N |
| 0.21 | 0.10-0.55 | 1.7 | 0.035 | 0.035 | 0.015-0.08 | 0.02 |
| Ni | V | Ti | Cu | B | Nb | Mo |
| 0.04-0.10 | 0.02 | 0.005 | 0.02-0.05 |
A420 ship steel plate Mechanical properties
| Yield strength (Mpa) | Tensile strength (Mpa) | Steel Mark |
| 420 | 530-680 | LR A420 |
as a A420 ship steel plate supplier in China , for more information about A420 ship steel plate , please contact us!
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