DNV A420 steel,DNV grade A420,A420 plate
DNV grade A420 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 A420 steel specification and price ,we are DNV A420 steel suppliers and manufacturer ,if you need DNV A420 steel exporter ,please contact us
DNV A420 Chemical Composition
| Element |
DNV A420 Max % |
Element |
DNV A420 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 A420 Mechanical properties
Grade |
Thickness |
Yield Strength |
Tensile Strength |
Elongation |
Impact Energy |
|
(mm) |
MPa (min) |
MPa |
% (min) |
(KV J) (min) |
|
|
0 degree |
|||||
|
DNV A420 |
8-260 |
420 |
530-680 |
18 |
28J |
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