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NK DH40 shipbuilding steel plate

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  • 29-Aug-2024

The NK DH40 shipbuilding steel plates have yield strength of 56,500 psi (390 MPa), and ultimate tensile strength of 74,000 - 94,500 psi (510-650 MPa). Higher-strength NK shipbuilding steel comes in 12 grades of 3 strengths, NK DH40 shipbuilding steel plate is one of the grades.

NK DH40 shipbuilding steel plate

The application of NK DH40 shipbuilding steel plate

NK DH40 shipbuilding steel plates are mainly used for making the offshore oil drilling platform, the hull of ship building and ship repairing, the platform pipe joints and other components.

NK DH40 shipbuilding steel plate Chemical Composition

Grade

C %

Si %

Mn %

P %

S %

V %

AL %

Cr %

NK Grade DH40

 

 

0.180

0.1-0.5

0.90-1.6

0.035

0.035

0.05-0.10

0.015

0.200

Cu %

Mo %

Nb %

Ni %

Ti %

 

 

 

0.350

0.080

0.02-0.05

0.400

0.020

 

 

 

NK DH40 shipbuilding steel plate Mechanical Properties

Grade

Thickness(mm)

MinYield(Mpa)

Tensile(Mpa)

Elongation (%)

Min Impact Energy

NK Grade DH40

8mm-50mm

Min 390Mpa

510-650Mpa

20%

-20

34J

51mm-70mm

Min390Mpa

510-650Mpa

20%

-20

41J

71mm-100mm

Min 390Mpa

510-650Mpa

20%

-20

50J

The min impact energy is longitudinal energy

The rolling size of NK DH40 shipbuilding steel plate

Thickness

3-150mm

Width

1220-4200mm

Length

5000-18000mm

Notes: coil thickness ≤ 25mm
All the NK DH40 shipbuilding steel plate offered by KUNFENG Industry can be certificated by Nippon Kaiji Kyokai (NK).KUNFENG is one of the best NK DH40 shipbuilding steel plate suppliers.any question of NK DH40 shipbuilding steel plate can be send to our email: sale@kfqizhongji.com or contact our servicer online.

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