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LR DH36 steel sheet Composition steel plate

Steel Standard:LR (Lloyd’s Register)

Rolling Type:Shipbuilding steel plate,High tension ship plate

Thickness:3mm-250mm

Width:1200mm-4200mm

Length:3000mm-18000mm

Heat Treatment:TMCP/Normalised

LR DH36 Steel Sheet Composition Steel Plate Supplier 

LR DH36 steel is a kind of high tensile strength marine steel. Higher-strength LR shipbuilding steel comes in 12 grades of 3 strengths, DH36 is one of the grades. As with other grades of steel, they have a specific gravity of 7.8. The LR DH36 grades have yield strength of 51,000 psi (355 MPa), and ultimate tensile strength of 71,000 – 90,000 psi (490-620 MPa).

Grade AH36 steel is the impact force subjected to 0 ° C
Grade DH36 steel impact force at  -20 ° C
Grade EH36 steel impact force at -40 ° C
Grade FH36 steel impact force at -60 ° C

Specification Parameters
Basic Information

LR/DH36 high Strength Chemical Composition

Grade

The Element Max (%)

C

Si

Mn

P

S

Al

N

LR/DH36

0.18

0.05

0.9-1.6

0.035

0.035

0.015

Nb

V

Ti

Cu

Cr

Ni

Mo

0.02-0.05

0.03-0.10

0.02

0.35

0.20

0.40

0.08

Crack Sensitivity:  Pcm = (C+Si/30+Mn/20+Cu/20+Ni/60+Cr/20+Mo/15+V/10+5B)%
Carbon Equivalent:  Ceq = 【C+Mn/6+(Cr+Mo+V)/5+(Ni+Cu)/15】%

 

LR/DH36 high strength property

Grade

Mechanical Property

Charpy V Impact Test

Thickness

Yield

Tensile

Elongation

Degree

Energy 1

Energy 2

LR/DH36

mm

Min Mpa

Mpa

Min  %

-20

J

J

t≤50

355

490-630

21%

24

34

50<t≤70

355

490-630

21%

27

41

70<t≤100

355

490-630

21%

34

50

Note: Energy 1 is transverse impact test, Energy 2 is longitudinal

 

Equivalent steel grade of LR/DH36

DNV

GL

ABS

BV

CCS

NK

KR

RINA

NV D36

GL-D36

AB/DH36

BV/DH36

CCS/D36

K D36

R D36

RI/D36

 

Service Support
LR DH36 steel sheet Composition steel plate

Other than LR DH36 steel, we also supply other LR shipbuilding steel materials:

LR grade A LR grade B LR grade D LR grade E
LR AH32 LR DH32 LR EH32 LR FH32
LR AH36 LR DH36 LR EH36 LR FH36
LR AH40 LR DH40 LR EH40 LR FH40