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NK classification Grade AH36/AH40/AH32 marine plate materials
Source:Xin Steel Industry Date:2015/06/03
NK classification Grade AH36/AH40/AH32 marine plate materials
Steel Grade:NK Grade AH36,NK Grade AH32,NK Grade AH40
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 AH36 shipbuilding structual steel:
|
Yield strength (≥Mpa) |
Tensile strength (Mpa) |
Elongation in ≥,% | |
|
355 |
490-620 |
200mm |
50mm |
|
19 |
22 | ||
►Chemical composition for NK Grade AH36 ship steel (Heat Analysis Max%)
|
Main chemical elements composition of NK Grade AH36 | ||||||
|
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 |
|
Higher strength ship building steel plate grade ah36,grade ah40,grade ah32,grade aq55 with nk classification society stock form XINSTEEL INDUSTRIAL CO.,LTD.