ASTM A131 EH40 Steel Plate of Shipbuilding

BBN STEEL Shipbuilding Plate factory is specialized in producing, exporting high quality A131  Classification Society Steel Plate, The main Grade is A131 Grade A, Grade B, Grade D, Grade E, AH32, AH36, AH40, DH32, DH36, DH40, EH32, EH36, EH40 and FH32, FH36, FH40.

A131 EH40 high Strength Chemical Composition:

Grade

The Element Max (%)

C

Si

Mn

P

S

Al

N

A131 EH40

0.18

0.1-0.50

0.90-1.6

0.035

0.035

>0.015

Nb

V

Ti

Cu

Cr

Ni

Mo

0.02-0.05

0.05-0.10

0.02

0.35

0.2

0.4

0.08

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 EH40 Mechanical Property:

Grade

Mechanical Property

Charpy V Impact Test

Thickness

Yield

Tensile

Elongation

Degree

Energy 1

Energy 2

A131 EH40

mm

Min Mpa

Mpa

Min  %

-40

J

J

t≤50

390

510-650

22%

27

41

50<t≤70

390

510-650

22%

-

-

70<t≤100

390

510-650

22%

-

-

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

BBN Steel can supply A131 Grade EH40 shipbuilding steel plate/ marine steel plate, mainly used in construction for ships.

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