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LR Grade B shipbuilding steel plate is a kind of hot rolled general tensile strength steel. LR Grade B shipbuilding steel plate have yield strength of 34,100 psi (235 MPa), and ultimate tensile strength of 58,000 - 75,500 psi (400-520 MPa). LR steels come 4 grades in ordinary-strength steel for LR Grade B shipbuilding steel plate is one of them.
The application of LR Grade B shipbuilding steel plate
LR Grade B shipbuilding steel plate can be used for ship repairing, the offshore oil drilling platform, the platform pipe joints and other components. LR Grade B shipbuilding steel plates are almost exclusively used in the Shipbuilding Industry for the construction of structural parts of ships, barges and marine equipment.
LR Grade B shipbuilding steel plate Chemical Composition and Mechanical Property
Grade | Chemical Composition(%) | ||||
C | Mn≥ | Si | P | S | |
LR B | 0.21 | 0.80 | 0.35 | 0.035 | 0.035 |
Grade | Mechanical Property |
| |||
Tensile Strength(MPa) | Yield Strength(MPa) | % Elongation in 2 in.(50mm) min | Impacting Test Temperature(°C) |
| |
LR B | 400-520 | 235 | 22 | 0 |
|
Rolling Size of LR Grade B shipbuilding steel plate
Thickness | 3-150mm |
Width | 1220-4200mm |
Length | 5000-18000mm |
Notes: coil thickness ≤ 25mm
As a LR Grade B shipbuilding steel plate supplier, we usually keep hundreds tons LR Grade B shipbuilding steel plate in stock each month. Based on these stock source, our advantage has spread into steel process like : cutting ( any size and any shape ) drilling, welding, milling, welding. We can also provide the LR Grade B shipbuilding steel plate in machining parts and steel structure.
