DNV D420 steel,DNV grade D420,D420 plate
DNV grade D420 is applied to extra high strength steels, which is defined as steel with specified min yield stress of 420Mpa. The max yield is 690Mpa
BEBON steel can supply DNV D420 steel specification and price ,we are DNV D420 steel suppliers and manufacturer ,if you need DNV D420 steel exporter ,please contact us
DNV D420 Chemical Composition
| Element |
DNV D420 Max % |
Element |
DNV D420 Max % |
|
C |
0.21 |
Ni |
0.40 |
|
Mn |
1.70 |
Mo |
0.08 |
|
Si |
0.10-0.55 |
Al |
0.020 min |
|
S |
0.035 |
Nb |
0.20-0.05 |
|
P |
0.035 |
V |
0.05-0.10 |
|
Cu |
0.35 |
Ti |
0.0007-0.05 |
|
Cr |
0.20 |
N |
DNV D420 Mechanical properties
Grade |
Thickness |
Yield Strength |
Tensile Strength |
Elongation |
Impact Energy |
|
(mm) |
MPa (min) |
MPa |
% (min) |
(KV J) (min) |
|
|
0 degree |
|||||
|
DNV D420 |
8-260 |
420 |
530-680 |
18 |
28J |
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