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DNV AH40 Shipbuilding Steel

 

                                 

Gangsteel is specialized in supplying DNV high strength steel plate in DNV Grade A40. For more information of Grade A40 steel plate, please check them in following:

 

DNV AH40 high Strength Chemical Composition

Grade

The Element Max (%)

C

Si

Mn

P

S

Al

N

DNV AH40

0.18

0.10-0.50

0.9-1.6

0.035

0.035

0.015-0.08

-

Nb

V

Ti

Cu

Cr

Ni

Mo

0.02-0.05

0.05-0.10

0.02

0.35

0.20

0.40

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】%

 

 

 

DNV AH40 high general strength property

Grade

 

Mechanical Property

Charpy V Impact Test

Thickness

Yield

Tensile

Elongation

Degree

Energy 1

Energy 2

DNV AH40

mm

Min Mpa

Mpa

Min  %

0

J

J

t≤50

390

510-650

20%

27

41

50<t≤70

390

510-650

20%

30

45

70<t≤150

390

510-650

20%

37

55

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

 

Boiler steel plates | Alloy steel plates | High strength plate| Carbon steel plate | Stainless steel plate

 

 

Equivalent steel grade of DNV AH40

ABS

GL

LR

BV

CCS

NK

KR

RINA

AB/A40

GL-A40

LR/A40

BV/A40

CCS/A40

K A40

R A40

RI/A40

 

 

 

 

 

 

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