NK is a ship plate certified by Japan Classification Society. KA ship plate is suitable for manufacturing ship hull structures, docks, oil production platforms, ocean pipelines, coastal power plants, dock facilities and other structural parts in ocean, coastal and inland navigation areas.
General strength ship plate: A, B, D, E.
High-strength ship plates: AH32, AH36, AH40, DH32, DH36, DH40, EH32, EH36, EH40, FH36
ultra-high-strength ship plates:DH460, EH460, EH550, EH690,NK A51 D51 E51 F51 etc.
NK A51 D51 E51 F51 Marine Grade Steel Plate Size:
Thickness: 3-80mm, width 1500-4000mm, length 4000-19000mm.
Certified by the world's nine major classification societies (CCS, ABS, VL, LR, BV, NK, KR, RINA, RS).
KR Grade A51 Shipbuilding Steel Plate Chemical Composition and Mechanical Property
| C max | Si max | Mn | P max | S max | N max. |
|
0.21 |
0.55 | 1.70 |
0.030 |
0.030 |
0.020 |
| Yield Strength (MPa) min. | Tensile Strength (MPa) | Elongation min. % |
| 500 | 610-770 | 16 |
KR Grade D51 Shipbuilding Steel Plate Chemical Composition and Mechanical Property
| C max | Si max | Mn | P max | S max | N max. |
|
0.20 |
0.55 | 1.70 |
0.025 |
0.025 |
0.020 |
| Yield Strength (MPa) min. | Tensile Strength (MPa) | Elongation min. % |
| 500 | 610-770 | 16 |
KR Grade E51 Shipbuilding Steel Plate Chemical Composition and Mechanical Property
| C max | Si max | Mn | P max | S max | N max. |
|
0.20 |
0.55 | 1.70 |
0.025 |
0.025 |
0.020 |
| Yield Strength (MPa) min. | Tensile Strength (MPa) | Elongation min. % |
| 500 | 610-770 | 16 |
KR Grade F51 Shipbuilding Steel Plate Chemical Composition and Mechanical Property
| C max | Si max | Mn | P max | S max | N max. |
|
0.18 |
0.55 | 1.60 |
0.020 |
0.020 |
0.020 |
| Yield Strength (MPa) min. | Tensile Strength (MPa) | Elongation min. % |
| 500 | 610-770 | 16 |
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