ASTM A131 Grade A shipbuilding steel plate

ASTM A131 Grade A shipbuilding steel plate

Grade A.jpg

ASTM A131 Grade A steel plate is common strength shipbuilding plate which is mainly used to shipbuilding project and ocean offshore structural Project.
Size range of ASTM A131 Grade A shipbuilding steel plate:
Thickness: 5mm-350mm
Width: 1500mm-4000mm
Length: 3000mm-18500mm
Chemical Composition of ASTM A131 Grade A shipbuilding steel plate:

Grade

The Element Max (%)

C

Si

Mn

P

S

C+Mn/6

A131 GRADE A

0.21

0.50

2.5*C

0.035

0.035

0.40

Mechanical Property of ASTM A131 Grade A shipbuilding steel plate:

Grade

Thickness

Yield

Tensile

Elongation

A131 GRADE A

mm

Min Mpa

Mpa

Min  %

t≤50

235

400-520

21%

50<t≤70

235

400-520

21%

70<t≤100

235

400-520

21%

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