ASTM A131 DH32 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 DH32 Chemical Composition Max % for production analysis

A131 DH32 high Strength Chemical Composition

Grade

The Element Max (%)

C

Si

Mn

P

S

Al

N

A131 DH32

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 DH32 Mechanical Property:

A131 DH32 high strength property

Grade

Mechanical Property

Charpy V Impact Test

Thickness

Yield

Tensile

Elongation

Degree

Energy 1

Energy 2

A131 DH32

mm

Min Mpa

Mpa

Min  %

-20

J

J

t≤50

315

440-590

19%

34

24

50<t≤70

315

440-590

19%

70<t≤100

315

440-590

19%

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

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