A131grB

ASTM A131 ABS LR BV geade B shipbuilding steel,ABS/B,LR/B,BV/B
BBW steel offer ASTM A131 ABS LR BV geade B shipbuilding steel,ABS/B,LR/B,BV/B,as a shipbuilding steel plate.BBW steel is specialized in supplying A131 general strength steel plate in A131 Grade B For more information of Grade B Steel plate, please check them in following:
ASTM A131 ABS LR BV geade B shipbuilding steel,ABS/B,LR/B,BV/ general Strength Chemical Composition:

>A131 Grade B general Strength Chemical Composition

Grade

The Element Max (%)

C

Si

Mn

P

S

C+Mn/6

A131 Grade B

0.21

0.35

0.80

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%

ASTM A131 ABS LR BV geade B shipbuilding steel,ABS/B,LR/B,BV/B high strength property:

A131 Grade B high strength property

Grade

Mechanical Property

Charpy V Impact Test

Thickness

Yield

Tensile

Elongation

Degree

Energy 1

Energy 2

A131 Grade B

mm

Min Mpa

Mpa

Min %

0

J

J

t50

235

400-520

21%

14

20

50t70

235

400-520

21%

17

25

70t100

235

400-520

21%

20

30

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


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