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LR DH40

LR DH40    

LR DH40 shipbuilding steel plate; LR DH40 shipbuilding sheet; LR DH40 shipbuilding plate supplier; LR DH40 shipbuilding plate price; LR DH40 hull structure steel; LR DH40 shipbuilding plate property.

LR DH40 shipbuilding steel description

LR DH40 steel plate for shipbuilding&platform. The shipbuilding steel plate grade DH40 is the high tensile strength steel. DH40 shipbuilding steel is the Hull structural steel,with it's good toughness properties, higher strength,strong corrosion-resistance,the processing properties, welding properties and so on.

LR DH40 shipbuilding steel application range

LR DH40 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 DH40 shipbuilding steel is widely used in oil platform and offshore platform.

LR DH40 shipbuilding steel supply size

Thickness: 4mm-260mm
Width: 1200mm-4000mm
Length: 3000mm-18000mm
(other plate sizes and thicknesses are available on request )

LR DH40 shipbuilding steel composition (%)


Grade

C max

Si max

Mn

P max

S max

Als min

Ti max

Cu max

Cr
max

Ni
max

Mo
max

Nb

V

DH40

0.18

0.50

0.90-1.60

0.035

0.035

0.015

0.02

0.35

0.20

0.40

0.08

0.02-0.05

0.05-0.10

Note: Generally speaking CE will be ≤ 0.40%. If the delivery condition is TMPC, the CE will be : ≤ 0.36% (thickness ≤ 50mm), ≤0.38%( when the thickness >50-100). Ceq% =(C+Mn)/6+(Cr+Mo+V)/5+(Ni+Cu)/15.

 
LR DH40 shipbuilding steel mechanical property


Grade

Rm
(MPa)

Re(MPa) min

A% min

Akv/J min

DH40

510-660

390

20

E.T °C

Thickness (mm)

0

≤ 50

>50-70

>70-100

L

C

L

C

L

C

41

27

-

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

LR DH40 shipbuilding steel deliver condition


Grade

Fine grains elements

category

The thickness of steel

≤ 12

>12.5-20

>20-25

>25-35

>35-50

>50-100

DH40

any

Plate/
sheet

N(50),CR(50),TM(50)

-

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.

We, Henan BEBON international is professional in exporting the steel for shipbuilding and oil platform, all kinds of shipbuilding steel plate are available with the certificate from the Classification Society. If you have any need of LR DH40 shipbuilding steel, pls feel free to contact our sales-team, we will supply you LR DH40 steel plate with the best quality, first class service, and competitive price.

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