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LR B

LR B  LR B  LR B

LR B shipbuilding steel plate; LR B shipbuilding sheet; LR B shipbuilding plate supplier; LR B shipbuilding plate price; LR B hull structure steel;

LR B shipbuilding steel description:

LR B shipbuilding steel plate, B shipbuilding steel plate is the common tensile strength steel. The main features are good toughness properties, higher strength, strong corrosion-resistance, the processing properties, and welding properties, and so on.

LR B shipbuilding steel Application range

LR B shipbuilding steel can be used in the manufacture of the ship's hull structure whose weight is below 10000 tons, and usually do navigation around coastal and river area. Also, LR B shipbuilding steel is widely used in oil platform and offshore platform.

LR B shipbuilding steel supply size
Thickness: 4mm-260mm
Width: 1200mm-4000mm
Length: 3000mm-18000mm
(other plate sizes and thicknesses are available on request )

LR B shipbuilding steel composition (%)

S max

P max

Mn

Si max

C max

Grade

0.035

0.035

 ≥ 2.5C

0.5

0.21

B

Note: CE: C+1/6Mn ≤ 0.40%
Cu ≤ 0.35%,Ni ≤ 0.30%

LR B shipbuilding steel mechanical property


Grade

Rm
(MPa)

Re(MPa) min

A% min

Akv/J min

B

400-520

235

22

E.T °C

Thickness (mm)

20

≤50

>50-70

>70-100

L

C

L

C

L

C

-

-

34

24

41

27

Note: In the list, Rm:tensile strength,Re: Yield strength, A%: elongation, E.T: experimental temperature,L: lengthways, C: crosswise.

LR B shipbuilding steel deliver condition:


Grade

category

The thickness of steel

≤ 12

>12.5-25

>25-35

>35-50

>50-100

B

Plate/sheet

 A(-)

A(50)

N(50),TM(50)
CR(25)
AR*(25)

Profile steel

-

Note: 1. delivery condition: A =Any; N=Normalized; CR=Control Rolled; TM=TMPC, Temperature- deformation control rolling; AR*= Can be hot rolled with the agreement of Classification Society ; CR*=Can be control rolled with the agreement of Classification Society .
2. The Figure in the ( ) means the sampling volume to do the impact test, the unit is Ton.(-) means without impact test.

With the advanced productive technology and certification from the biggest eight Classification Society, Henan BEBON has became an outstanding exporter in steel plate, especial in LR B shipbuilding steel. More information about LR B shipbuilding steel plate, pls free to consult our sales-team.

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