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NK D40

NK D40   

NK D40 Shipbuilding steel plate
ASTM A131 NK D40steel plate, NK D40 steel is a kind of steel for shipbuilding and platform.Shipbuilding steel plateNK D40is the high tensile strength steel.As a professional shipbuilding steel plate exporter, Bebon international can supply steel plate NK D40. ASTM A 131 NK D40 shipbuilding steel plates can be used in the manufacture of the ship's hull structure whose weight is below 10000 tons.
NK D40 Steel plate Chemical Composition %

Grade

C max

Si max

Mn

P max

S max

Als min

Ti max

Cu max

Cr
max

Ni
max

Mo
max

Nb

V

NK D40

0.18

0.50

0.90-1.60

0.035

0.035

0.015

0.02

0.35

0.20

0.40

0.08

0.02-0.05

0.05-0.10

Note: Generally speaking CE will be ≤ 0.40%. If the delivery condition is TMPC, the CE will be : ≤ 0.40% (thickness ≤ 50mm). Ceq% =(C+Mn)/6+(Cr+Mo+V)/5+(Ni+Cu)/15.
NK D40steel plate Mechanical Property

Grade

Rm
(MPa)

Re(MPa) min

A% min

Akv/J min

NK D40

510-660

390

20

E.T °C

Thickness (mm)

0

≤ 50

>50-70

>70-100

L

C

L

C

L

C

41

27

-

Note: In the list , Rm: tensile strength,Re: Yield strength,A%: elongation, E.T: experimental temperature,L: lengthways, C: crosswise.
NK D40 steel plate Condition Of Delivery



Grade

Fine grains elements

category

The thickness of steel

≤ 12

>12.5-20

>20-25

>25-35

>35-50

>50-100

NK D40

any

Plate/
sheet

N(50),CR(50),TM(50)

-

Profile steel

Note: 1. delivery condition: A =Any ; N=Normalized ; CR=Control Rolled ; TM=TMPC, Temperature - deformation control rolling; AR*= Can be hot rolled with the agreement of Classification Society ; CR*=Can be control rolled with the agreement of Classification Society .
2.  The Figure in the ( ) means the sampling volume to do the impact test, the unit is Ton.(-) means without impact test.
Key Words: Supply NK D40 steel for shipbuilding, NK D40 steel for shipbuilding manufacturer,
NK D40 steel for shipbuilding suppliers, manufacture NK D40 steel for shipbuilding,
NK D40 steel for shipbuilding warehouser,

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