Grade B shipbuilding steel
ASTM A131 Grade B shipbuilding steel plate is a kind of shipbuilding steel, mainly used for shipbuilding and platform.Grade B hull plates ship is a kind of normal tensile strength steel.
As a professional exporter of ASTM A131 Grade B hull structural steel, GNEE can provide high quality Grade B hull structural steel plate with the most competitive price.Grade B hull steel can be used to manufacture hull structure of ships weighing less than 10,000 tonnes.
Specifications of Grade B shipbuilding steel:
Thickness: 6mm-200mm, Width: 1500mm-4000mm, Length: 6000mm-180,000mm.
hull plates ship Chemical Composition
| Grade |
C max |
Si max |
Mn |
P max |
S max |
|
Grade B |
0.21 |
0.35 |
0.80-1.20 |
0.035 |
0.035 |
ship steel mechanical property
| Grade |
Rm |
Re(MPa) min |
A% min |
Akv/J min |
||||||
|
Grade B |
400-520 |
235 |
22 |
E.T °C |
Thickness (mm) |
|||||
|
0 |
≤ 50 |
>50-70 |
>70-100 |
|||||||
|
L |
C |
L |
C |
L |
C |
|||||
|
27 |
20 |
34 |
24 |
41 |
27 |
|||||
shipbuilding plate Condition Of Delivery
| Grade |
category |
The thickness of steel |
|||||
|
≤ 12 |
>12.5-25 |
>25-35 |
>35-50 |
>50-100 |
|||
|
Grade B |
Plate/sheet |
A(-) |
A(50) |
N(50),TM(50) |
|||
|
Profile steel |
- |
||||||
marine grade steel plate Comparison of grade
| ASTM A131M |
TOCT 5521 |
JIS G3106 |
BS LR |
GB712 |
|
Grade B |
Grade B |
SM400B |
Grade B |
Grade B |
marine steel sheet Products image
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We have excellent after-sales service. If you have any questions about Grade B shipbuilding steel, you can contact us and we will reply you within two hours.
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