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DNV D420 STEEL PLATE
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:
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DNV 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 |
|
|
DNV D420 |
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】%
|
DNV 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 |
|
|
DNV D420 |
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 |
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Boiler steel plates | Alloy steel plates | High strength plate| Carbon steel plate | Stainless steel plate
|
Equivalent steel grade of DNV D420 |
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|
AB/DQ43 |
GL-D420 |
LR/DH42 |
BV/D420 |
CCS/D420 |
K D43 |
R D43 |
RI/D420 |
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