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DNV D550 STEEL PLATE
Gangsteel is specialized in supplying DNV extra high strength steel plate in DNV Grade D550. For more information of Grade D550 steel plate, please check them in following:
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DNV D550 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 D550 |
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 D550 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 D550 |
mm |
Min Mpa |
Mpa |
Min % |
-20 |
J |
J |
|
t≤50 |
550 |
670-830 |
16% |
37 |
55 |
||
|
50＜t≤70 |
550 |
670-830 |
16% |
37 |
55 |
||
|
70＜t≤150 |
550 |
670-830 |
16% |
37 |
55 |
||
|
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 D550 |
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|
AB/DQ56 |
GL-D550 |
LR/DH55 |
BV/D550 |
CCS/D550 |
K D56 |
R D56 |
RI/D550 |
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