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GB 712 GRADE AH40, GB 712 AH40 STEEL PLATE
Gangsteel is specialized in supplying GB 712 high strength steel plate in GB 712 AH40. For more information of Grade AH40 steel plate, please check them in following:
|
GB 712 AH40 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 AH40 |
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 AH40 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 AH40 |
mm |
Min Mpa |
Mpa |
Min % |
0 |
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 AH40 |
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|
NV AH40 |
GL-AH40 |
LR/AH40 |
BV/AH40 |
CCS/AH40 |
K AH40 |
R AH40 |
RI/AH40 |
If you need more stock steel plates in shipbuilding steel plate, please click warehouse sizes.
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