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| GL E420 |
GL E420 steel is a kind of high tensile strength marine steel. All of these steels have been engineered to be optimal long-lived shipbuilding steels. GL E420 Shipbuilding steel plates are mainly used for making the offshore oil drilling platform, the hull of ship building and ship repairing, the platform pipe joints and other components.
Key words: GL E420 shipbuilding steel plate, GL E420 marine steel plate, GL E420 ocean steel plate
GL E420 shipbuilding steel plate chemical composition:
Grade
|
C max
|
Si
|
Mn
max
|
P max
|
S max
|
Als
|
N max
|
Nb max
|
V
max
|
Ti
max
|
B
max
| ||
E420
|
0.21
|
0.10-0.55
|
1.7
|
0.035
|
0.035
|
0.015-0.08
|
0.20
|
0.02-0.05
|
0.04-0.10
|
0.02
|
0.005
|
GL E420 shipbuilding steel plate Mechanical Property:
Grade
|
Mechanical Property
|
Charpy V Impact Test
| ||||
Yield Min Mpa
|
Tensile
Mpa
|
Elongation
Min %
|
Degree
|
Energy 1 (J)
|
Energy 2(J)
| |
E420
|
420
|
530-680
|
18%
|
-40
|
28
|
42
|
GL E420 shipbuilding steel plate delivery condition: CR, Normalized, Q&T, TMCP, Impact test. Z15, Z25, Z35.
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