ASTM A131 Grade E Shipbuilding steel plate

Shipbuilding steel plate ASTM A131 Grade E mainly be used in below minus 40 centigrade ocean situation.

BBN STEEL owned stock warehouses at Shanghai, Tianjin port  city which store thousands tons of shipbuilding steel plate with many grades, such as ASTM A131 Grade B,A131 Grade D and higher ship steel grade A131 Grade DH36,A131 Grade EH36 and A131 Grade FH32.

A131/E general Strength Chemical Composition:

Grade

The Element Max (%)

C

Si

Mn

P

S

C+Mn/6

A131/E

0.21

0.10-0.35

0.70

0.035

0.035

0.40

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】%

A131/E high strength property:

A131/E high strength property

Grade

Mechanical Property

Charpy V Impact Test

Thickness

Yield

Tensile

Elongation

Degree

Energy 1

Energy 2

A131/E

mm

Min Mpa

Mpa

Min  %

-40

J

J

t≤50

235

400-520

21%

27

20

50<t≤70

235

400-520

21%

70<t≤100

235

400-520

21%

Note: Energy 1 is transverse impact test, Energy 2 is longitudinal

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