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LR DH40 shipbuilding steel plate

LR DH40 shipbuilding steel plate

LR DH40 shipbuilding steel plate is a kind of hot rolled high tensile strength steel. Higher-strength LR shipbuilding steel plate comes in 12 grades of 3 strengths, LR DH40 shipbuilding steel plate is one of the grades. The LR DH40 shipbuilding steel pl
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LR DH40 shipbuilding steel plate is a kind of  hot rolled high tensile strength steel. Higher-strength LR shipbuilding steel plate comes in 12 grades of 3 strengths, LR DH40 shipbuilding steel plate is one of the grades. The LR DH40 shipbuilding steel plate  have yield strength of 56,500 psi (390 MPa), and ultimate tensile strength of 74,000 - 94,500 psi (510-650 MPa). All the LR DH40 shipbuilding steel plate offered by Katalor Industry can be certificated by Lloyd’s Register of Shipping (LR).

The application of LR DH40 shipbuilding steel plate

LR DH40 shipbuilding steel plate 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.

The rolling size of LR DH40 shipbuilding steel plate

Thickness

3-150mm

Width

1220-4200mm

Length

5000-18000mm

Notes: coil thickness ≤ 25mm

LR DH40 shipbuilding steel plate Chemical Composition


Grade

C %

Si %

Mn %

P %

S %

V %

AL %

Cr %

LR 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

 

 

 

LR DH40 shipbuilding steel plate Mechanical Properties

Grade

Thickness(mm)

MinYield(Mpa)

Tensile(Mpa)

Elongation (%)

Min Impact Energy

LR 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

Shanghai Katalor Enterprises Co., Ltd is a standard company specialized in producing and exporting LR DH40 shipbuilding steel plate. We have our own LR DH40 shipbuilding steel plate factory and if you need the LR DH40 shipbuilding steel plate, we can manufacture for you. If you need the competitive LR DH40 shipbuilding steel plate price, please don't hesitate to contact with our sales person.

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Contact Us

Shanghai Katalor Enterprises Co., Ltd

0086-21-61182423
0086-21-61182425
[email protected]
Unit 6,lane 2500,xiupu Road,Kangqiao Industrial Area,Pudong New District,Shanghai
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