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NK certified Grade DH40/DH32/DH36 marine plate materials
Steel Grade:NK Grade DH40,NK Grade DH32,NK Grade DH36
Relative steel grades: NK/A,NK/B,NK/D,NK/E,NK/A32,NK/A36,NK/A40,
NK/D32,NK/D36,NK/D40,NK/E32,NK/E36,NK/E40,NK/F32,NK/F36,NK/F40
Main application:Used primarily in structural applications in marine and shipping industry for barges,ships,small vessels,support structures and various type of equipment with NK (Nippon Kaiji Kyokai) certificate.
Rolling range: Thickness*Width*Length  3-450mm*1500-4200mm*5000-18000mm
Surface Treatment: Coated,Shop primer painting
Test: Low temperature impacting test,Ultrasonic examination,Normalized,Z-TEST,Z15,Z25,Z35.
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►Mechnical property for NK Grade DH40 shipbuilding structual steel:
| 
 Yield strength (≥Mpa)  | 
 Tensile strength (Mpa)  | 
 Elongation in ≥,%  | |
| 
 390  | 
 510-650  | 
 200mm  | 
 50mm  | 
| 
 19  | 
 22  | ||
►Chemical composition for NK Grade DH40 ship steel (Heat Analysis Max%)
| 
 Main chemical elements composition of NK Grade DH40  | ||||||
| 
 C  | 
 Si  | 
 Mn  | 
 P  | 
 S  | 
 Al (acid) min.  | 
 Nb  | 
| 
 0.18  | 
 0.10-0.50  | 
 0.90-1.60  | 
 0.035  | 
 0.035  | 
 0.015  | 
 0.02-0.05  | 
| 
 V  | 
 Ti  | 
 Cu  | 
 Cr  | 
 Ni  | 
 Mo  | 
    | 
| 
 0.05-0.10  | 
 0.02  | 
 0.35  | 
 0.20  | 
 0.40  | 
 0.08  | 
 | 
NK certificate grade Dh40,grade Dh36,grade Dh32,grade Dq43 high tensile marine steel plates from stock in Xinsteel warehouse now.Ready for shipment for various dimemsions.