ASTM A131 DH40 steel plate factory

BBN STEEL is specialized in supplying A131 high strength steel plate in A131 Grade DH40. For more information of Grade DH40 steel plate, please check them in following:

A131 DH40 Chemical Composition Max % for production analysis

A131 DH40 high Strength Chemical Composition

Grade

The Element Max (%)

C

Si

Mn

P

S

Al

N

A131 DH40

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 DH40 high strength property

Grade

Mechanical Property

Charpy V Impact Test

Thickness

Yield

Tensile

Elongation

Degree

Energy 1

Energy 2

A131 DH40

mm

Min Mpa

Mpa

Min  %

-20

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 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.

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