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GB 712 GRADE DH40, GB 712 DH40 STEEL PLATE
Gangsteel is specialized in supplying GB 712 high strength steel plate in GB 712 DH40. For more information of Grade DH40 steel plate, please check them in following:
|
GB 712 DH40 high Strength Chemical Composition in Tempering and Quenching |
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|
Grade |
The Element Max (%) |
||||||
|
C |
Si |
Mn |
P |
S |
Al |
N |
|
|
GB 712 DH40 |
0.18 |
0.50 |
0.90-1.6 |
0.035 |
0.035 |
0.015 |
|
|
Nb |
V |
Ti |
Cu |
Cr |
Ni |
Mo |
|
|
0.02-0.05 |
0.05-0.10 |
0.02 |
0.35 |
0.2 |
0.4 |
0.08 |
|
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】%
|
GB 712 DH40 high strength property in tempering and quenching |
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|
Grade |
|
Mechanical Property |
Charpy V Impact Test |
||||
|
Thickness |
Yield |
Tensile |
Elongation |
Degree |
Energy 1 |
Energy 2 |
|
|
GB 712 DH40 |
mm |
Min Mpa |
Mpa |
Min % |
-20 |
J |
J |
|
t≤50 |
390 |
510-660 |
20% |
27 |
41 |
||
|
50＜t≤70 |
390 |
510-660 |
20% |
- |
- |
||
|
70＜t≤100 |
390 |
510-660 |
20% |
- |
- |
||
|
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 GB 712 DH40 |
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|
NV DH40 |
GL-DH40 |
LR/DH40 |
BV/DH40 |
CCS/DH40 |
K DH40 |
R DH40 |
RI/DH40 |
If you need more stock steel plates in shipbuilding steel plate, please click warehouse sizes.
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