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LR Grade D shipbuilding steel plate

LR Grade D shipbuilding steel plate

LR D, LR Grade D steel, LR Grade D shipbuilding steel plate and steel sheet, LR D marine steel plates are available in Katalor, LR/D steel supplier and exporter China.

LR Grade D Shipbuilding Steel Description:
LR grade D steel is a kind of hot rolled general tensile strength steel and the like LR grade A, LR grade B, LR grade E. All the LR/D shipbuilding Steel offered by Katalor Industry can be certificated by Lloyd’s Register of Shipping (LR).The LR D grade steel plates have yield strength of 34,100 psi (235 MPa), and ultimate tensile strength of 58,000 - 75,500 psi (400-520 MPa).

LR Grade D shipbuilding Steel Application: LR D Shipbuilding steel plates are mainly used for shipbuilding and ship repairing, the offshore oil drilling platform, the platform pipe joints and other components.
LR Grade D Steel Grade Specification:
Thickness: 4mm to 260mm,
Width: 1200mm to 4000mm
Length: 3000mm to 18000mm.

LR Grade D Shipbuilding Steel Chemical Composition Heat Analysis:


Element

LR Grade D Max %

Element

LR Grade D max %

C

0.21

Ni

-

Mn

0.60

Mo

-

Si

0.1-0.35

Al

-

S

0.035

Nb

-

P

0.035

V

-

Cu

-

Ti

-

Cr

-

N

-

LR D Shipbuilding Steel Mechanical Properties


Grade

Thickness

Yield Strength

Tensile Strength

Elongation

Impact Energy

(mm)

MPa (min)

MPa

% (min)

(KV J) (min)

-20 degree

LR Grade D

4-260

235

400-520

22

27J

Note: the impact energy under less 50mm thickness
Katalor Industry has steel mill for manufacturing LR Grade D steel. Katalor Industry is a professional LR/D shipbuilding steel supplier and exporter. Katalor Industry has been in steel industry for many years and can offer every kind of shipbuilding steel plates and steel sheets to worldwide shipyard and ship building company. If you have any needs in LR grade D steel plate, please feel free to contact us.


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