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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 KUNFENG Industry can be certificated by Lloyd’s Register of Shipping (LR).
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.
| Thickness |
3-150mm |
|
Width |
1220-4200mm |
|
Length |
5000-18000mm |
Notes: coil thickness ≤ 25mm
|
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 |
|
|
|
| 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 |
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KUNFENGs 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.
