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-60 SeaRox SL 620 60 25 Drawing 2022.06.22
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 640 40 40 Drawing 2022.06.29
Deck
Steel
A-30 SeaRox SL 620 25 25 Drawing 2022.06.27
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 640 40 40 Drawing 2022.06.29
Non-Combustible
  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