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DNV A420 STEEL PLATE
Gangsteel is specialized in supplying DNV extra high strength steel plate in DNV Grade A420. For more information of Grade A420 steel plate, please check them in following:
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DNV A420 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 A420 |
0.21 |
0.10-0.55 |
1.7 |
0.035 |
0.035 |
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 A420 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 A420 |
mm |
Min Mpa |
Mpa |
Min % |
0 |
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 A420 |
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|
AB/AQ43 |
GL-A420 |
LR/AH42 |
BV/A420 |
CCS/A420 |
K A43 |
R A43 |
RI/A420 |
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