Generally before using these ship plates of ASTM A131-B,steel plate pretreatment is necessary.Pre-treatment including shot blasting and painting with shop primer.Some shipyards have its own shot blasting and painting lines,and others have non.BBN Steel set up two pre-treatment lines for shipbuilding steel plate seperately in Shanghai and Tianjin port city for giving customers' one-stop services.
BBN Steel can supply A131 Grade B shipbuilding steel plate/ marine steel plate, mainly used in construction for ships.
Production Size: Thickness: 3mm- 150mm; Width: 1220mm- 4200mm; Length: 5000mm- 18000mm.
A131 Grade B shipbuilding steel plate Chemical Composition( %):
Grade/ Material
|
Element
|
Composition( Max-A, Min-I)
|
A131 Grade B/ A131 GrB
|
C
|
0.21
|
Mn
|
I: 0.60
|
Si
|
0.35
|
P
|
0.035
|
S
|
0.035
|
A131 Grade B shipbuilding steel plate Mechanical Properties( Mpa)
Grade/ Material
|
Tensile Test
|
Ksi/MPa
|
A131 Grade B/ A131 GrB
|
Tensile Strength
|
58-75/ 400-520
|
Yield Strength
|
34/ 235
|
Elongation
|
21%
|
Impact Test( if any)
|
0℃
|
Production Way: Hot Rolled
Technical Details: Heat Treatment: Normalized, Quenched, Tempered, Impact Test,..( Optional if not provided in rules)
For getting more information about ASTM A131 Grade B steel plate,please be free to contact BBN Steel now.