Nippon Kaiji Kyokai
| Nippon Kaiji Kyokai - NKK | |||||||
| Construction | Product | Thickness (mm) | Drawing | Valid until | |||
| Plate | Stiffener | ||||||
| Bulkhead | |||||||
| Steel | |||||||
| A-30 | SeaRox SL 620 | 40 | 25 | Drawing | 2022.06.27 | ||
| A-30 | SeaRox SL 620 | 50 | 30 | Drawing | 2019.02.16 | ||
| A-60 | SeaRox SL 620 | 50+30 | 30 | Drawing | 2019.02.16 | ||
| A-60 | SeaRox SL 620 | 60 | 25 | Drawing | 2022.06.22 | ||
| A-60 | SeaRox SL 620 | 75 | 30 | Drawing | 2019.02.16 | ||
| A-60 | SeaRox SL 640 | 2x30 | 30 | Drawing | 2022.06.29 | ||
| A-60 restricted | SeaRox SL 620 | 40 | 25 | Drawing | 2022.06.27 | ||
| A-60 restricted | SeaRox SL 620 | 50 | 30 | Drawing | 2019.02.16 | ||
| A-60 restricted | SeaRox SL 640 | 40 | 40 | Drawing | 2022.06.29 | ||
| Deck | |||||||
| Steel | |||||||
| A-30 | SeaRox SL 620 | 25 | 25 | Drawing | 2022.06.27 | ||
| A-30 | SeaRox SL 620 | 30 | 30 | Drawing | 2019.02.16 | ||
| A-30 Type II |
SeaRox SL 620 | 30 | Drawing | 2022.06.27 | |||
| A-30 | SeaRox SL 740 | 50 | 30 | Drawing | 2022.06.29 | ||
| A-60 | SeaRox SL 620 | 40 | 25 | Drawing | 2022.06.27 | ||
| A-60 Type II |
SeaRox SL 620 | 40 | Drawing | 2022.06.27 | |||
| A-60 | SeaRox SL 620 | 50 | 30 | Drawing | 2019.02.16 | ||
| A-60 | SeaRox SL 640 | 40 | 40 | Drawing | 2022.06.29 | ||
| Non-Combustible | |||||||
| SeaRox SL 340-436 | 2019.02.16 | ||||||
| SeaRox SL 480 | 2022.06.27 | ||||||
| SeaRox SL 620-660 | 2022.06.29 | ||||||
| SeaRox SL 720 | 2022.06.27 | ||||||
| SeaRox SL 740 | 2022.06.29 | ||||||
| SeaRox MA 720 ALU | 2022.06.28 | ||||||
| SeaRox WM 620-640 / SeaRox WM 950 |
2022.06.29 | ||||||
