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Gangsteel is specialized in supplying DNV extra high strength steel plate in DNV Grade D420. For more information of Grade D420 steel plate, please check them in following:
NV D420 extra high Strength Chemical Composition |
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Grade |
The Element Max (%) |
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C |
Si |
Mn |
P |
S |
Al |
N |
|
0.20 |
0.10-0.55 |
1.7 |
0.030 |
0.030 |
0.015-0.08 |
0.020 |
|
Nb |
V |
Ti |
Cu |
B |
Ni |
Mo |
|
0.02-0.05 |
0.04-0.10 |
0.02 |
|
0.005 |
|
|
Crack Sensitivity: Pcm = (C+Si/30+Mn/20+Cu/20+Ni/60+Cr/20+Mo/15+V/10+5B)%
Carbon Equivalent: Ceq = 【C+Mn/6+(Cr+Mo+V)/5+(Ni+Cu)/15】%
NV D420 extra high general strength property |
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Grade |
|
Mechanical Property |
Charpy V Impact Test |
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Thickness |
Yield |
Tensile |
Elongation |
Degree |
Energy 1 |
Energy 2 |
|
mm |
Min Mpa |
Mpa |
Min % |
-20 |
J |
J |
|
t≤50 |
420 |
530-680 |
18% |
28 |
42 |
||
50<t≤70 |
420 |
530-680 |
18% |
28 |
42 |
||
70<t≤150 |
420 |
530-680 |
18% |
28 |
42 |
||
Note: Energy 1 is transverse impact test, Energy 2 is longitudinal |
Boiler steel plates| Alloy steel plates| High strength plate| Carbon steel plate| Stainless steel plate
Equivalent steel grade of NV D420 |
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AB/DQ43 |
GL-D420 |
LR/DH42 |
BV/D420 |
CCS/D420 |
K D43 |
R D43 |
RI/D420 |
Other steel grade NV A32,NV D36, NV E40
If you need more stock steel plates in shipbuilding steel plate, please click warehouse sizes.
General Strength |
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High Strength |
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Extra Strength |
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Gangsteel is specialized in supplying DNV high strength steel plate in DNV Grade FH36,DNV FH36,NV F36 steel pla
Grade B,NV B |DNV Grade B,Grade B STEEL PLATE Gangsteel is specialized in supplying DNV general strength steel
AH36,NV A36|DNV Grade AH36,DNV AH36 STEEL PLATE Gangsteelis specialized in supplying DNVhigh strength steel pla
DH36,NV D36|DNV Grade DH36,DNV DH36 STEEL PLATE Gangsteel is specialized in supplying DNV high strength steel p