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GL D550 Marine steel,GL Grade D550 shipbuilding steel,GL D550 steel plate
Source:Xin Steel Industry Date:2014/04/02
Marine steel plate GL D550 have to be done low temperature impacting test under minus 40 centigree and done Quenched and tempered heat treatment for any thickness.Else,our engineers suggest our end users to choose Z-test for ship steel plate GL D550 to improved the strength in thickness direction.
Getting more information about GL D550 high strength ship plate,Contact Xinsteel Now.
In China stated owned steel mills,just Xinsteel can roll GL Grade D550 shipbuilding steel plate with thickness above 100 millmeters.We can roll this steel grade GL D550 reach to 350 millimeters.The chemical composition and mechnical property for GL D550 thickness above 100 millimeter is according to the steel plate witht thickness equal to 100 millimeters.
Chemical composition of Heat analysis for Shipbuilding steel plate GL D550 (Max %):
|
C |
Si |
Mn |
P |
S |
Al |
N |
|
0.20 |
0.10-0.55 |
1.7 |
0.030 |
0.030 |
0.015-0.08 |
0.02 |
|
Ni |
V |
Ti |
Cu |
B |
Nb |
Mo |
|
|
0.04-0.10 |
0.02 |
|
0.005 |
0.02-0.05 |
|
|
Yield strength (Mpa) |
Tensile strength (Mpa) |
Steel Mark |
|
550 |
670-830 |
GL D550 |