FH40 offshore steel plate is a kind of high-strength structural steel plate specialized in the field of offshore engineering, with excellent mechanical properties and corrosion resistance. It is widely used in offshore oil drilling platforms, offshore wind power generation equipment, marine vessels, submarine pipelines and marine engineering structures.
ASTM A131 Grade FH40 Shipbuilding Steel Plate Chemical Composition and Mechanical Property:
|
Grade |
C % |
Si % |
Mn % |
P % |
S % |
Al(acid soluble),min% |
Cb |
V |
Ti |
Cu |
Cr |
Ni |
Mo |
N |
|
ASTM A131 FH40 |
0.16 |
0.10-0.50 |
0.90-1.60 |
0.025 |
0.025 |
0.015 |
0.02-0.05 |
0.05-0.10 |
0.02 |
0.35 |
0.20 |
0.40 |
0.08 |
0.009 |
|
Grade |
Yield Strength (Mpa) |
Tensile Strength |
Elongation in8 in.[200mm] |
Elongation in8 in.[200mm] |
Impact Energy |
Test Temperature(°C) |
|
ASTM A131 FH40 |
≥390 |
510-650 |
≥19 |
≥22 |
37 |
-60 |
ASTM A131 Grade FH40 Shipbuilding steel plate is mainly used to Shipbuilding Project and Ocean Offshore Structural Project.
Additional Condition:UT(Ultrasonic examination), AR(As Hot Rolled only), TMCP(Thermal Mechanical Control Processing), N(Normalized), Q+T(Quenched and Tempered),Z Direction Test(Z15,Z25,Z35), Charpy V-Notch Impact Test, The Third Party Test (such as SGS Test), Coated or Shot Blasting and Painting.








