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GB 712 Gr B, GB 712 Grade B STEEL PLATE
Gangsteel is specialized in supplying GB712 high strength steel plate in GB 712 Grade B. For more information of Grade B steel plate, please check them in following:
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GB 712 Grade B general Strength Chemical Composition in Tempering and Quenching |
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|
Grade |
The Element Max (%) |
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|
C |
Si |
Mn |
P |
S |
Al |
N |
|
|
Grade B |
0.21 |
0.50 |
0.80-1.20 |
0.035 |
0.035 |
- |
|
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 Grade B general strength property in tempering and quenching |
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|
Grade |
|
Mechanical Property |
Charpy V Impact Test |
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|
Thickness |
Yield |
Tensile |
Elongation |
Degree |
Energy 1 |
Energy 2 |
|
|
Grade B |
mm |
Min Mpa |
Mpa |
Min % |
0 |
J |
J |
|
t≤50 |
235 |
400-520 |
22% |
20 |
27 |
||
|
50＜t≤70 |
235 |
400-520 |
22% |
24 |
34 |
||
|
70＜t≤100 |
235 |
400-520 |
22% |
27 |
41 |
||
|
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 Grade B |
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|
NV B |
GL-B |
LR/B |
BV/B |
CCS/B |
K B |
R B |
RI/B |
If you need more stock steel plates in shipbuilding steel plate, please click warehouse sizes.
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