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LR Grade B shipbuilding steel plate

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  • 13-Jul-2024

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.

steel plate supplier in China

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.

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