LR (Lloyd’s Register) rule has normal strength, high strength and extra high strength steel plate for shipbuilding, onshore/offshore platform and other marine engineering. LR AH40 Shipbuilding steel plates are mainly used for making the offshore oil drilling platform, the hull of ship building and ship repairing.
Chemical Composition of LR/AH40 high strength
|
Grade |
The Element Max (%) |
||||||
|
C |
Si |
Mn |
P |
S |
Al |
N |
|
|
LR/AH40 |
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 |
|
Mechanical Property of LR/AH40 high strength
|
Grade |
Thickness |
Yield |
Tensile Strength |
Elongation |
Charpy V Notch Impact Test |
||
|
Degree |
Value 1 |
Value 2 |
|||||
|
LR/AH40 |
mm |
Min Mpa |
Mpa |
Min % |
0 |
J |
J |
|
t≤50 |
390 |
510-650 |
20% |
26 |
39 |
||
|
50＜t≤70 |
390 |
510-650 |
20% |
31 |
46 |
||
|
70＜t≤100 |
390 |
510-650 |
20% |
37 |
55 |
||
|
Note: Value 1 is transverse impact test, Value 2 is longitudinal |
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Equivalent steel grade of LR/AH40
DNV |
GL |
ABS |
BV |
CCS |
NK |
KR |
RINA |
|
NV A40 |
GL-A40 |
AB/AH40 |
BV/AH40 |
CCS/A40 |
K A40 |
R A40 |
RI/A40 |
Grade AH40 Shipbuilding Steel Plate Specification
SteelAdoptStandard:LloydsRegister(LR)
Thickness-6~700mm;
Width-1500~4020mm;
Length-3000~27000mm
Besides ,the size can be customized.
We are a trusted and reliable brand for our high quality and good manufacturing of Grade AH40 Shipbuilding Steel .Our company has been a manufacturer and exporter of LR Grade AH40 Shipbuilding Steel for decades, and has been sold all over the world with favorable price. As a responsible enterprise, we always stick to be your satisfying partner.
Company Name: Shanghai Katalor Enterprises
Address：Room 301,Unit 6,lane 2500,xiupu Road, Kang qiao Industrial Area, Pu dong New District, Shanghai
TEL:0086-21-61182423
Fax :0086-21-61182425
E-mail:[email protected]
Phone:0086-18317160019
