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ASTM A131/ A131M Grade B Shipbuilding Steel Plate specification

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.