GL has normal strength, high strength and extra high strength steel plate for shipbuilding, onshore/offshore platform and other marine engineering. GL grade B shipbuilding steel plates are used in manufacturing hull, maritime oil extraction drilling platform, platform tube junction and other structural components.
GL Grade B Shipbuilding Steel Plate Chemical Composition
|
SteelGrade |
ChemicalComposition(%) |
|
|||||
|
GLGradeB |
C≤ |
Mn≥ |
Si≤ |
P≤ |
S≤ |
Grade |
|
|
0.21 |
0.80 |
0.35 |
0.035 |
0.035 |
GL-B |
||
Mechanical Property of GL-B normal strength
|
Grade |
Thickness |
Yield |
Tensile Strength |
Elongation |
Charpy V Notch Impact Test |
||
|
Degree |
Value 1 |
Value 2 |
|||||
|
GL/B |
mm |
Min Mpa |
Mpa |
Min % |
0 |
J |
J |
|
t≤50 |
235 |
400-520 |
22% |
20 |
27 |
||
|
50<t≤70 |
235 |
400-520 |
22% |
24 |
34 |
||
|
70<t≤100 |
235 |
400-520 |
22% |
27 |
41 |
||
|
Note: Value 1 is transverse impact test, Value 2 is longitudinal |
|||||||
Equivalent steel grade of GL/B
|
LR |
BV |
ABS |
CCS |
KR |
DNV |
NK |
RINA |
|
LR B |
BV/B |
AB/B |
CCS/B |
KR/B |
NV/B |
NK/B |
RI/B |
GL B Shipbuilding Steel Plate Quality Assurance
Below inspection will be done in the production.
(1) ray detection---RT;
(2) ultrasonic testing---UT;
(3) Magnetic Particle Testing-MT;
(4) penetration testing-PT;
(5) eddy current flaw detection-ET
We are a trusted and reliable brand for our high quality and good manufacturing of GL Grade B Shipbuilding Steel Plate, Our company has been a manufacturer and exporter of GL Grade B Shipbuilding Steel Plate 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:info@katalor.com
Phone:0086-18317160019
