ASTM A131 FH40 steel plate has good mechanical properties, such as strength, plasticity, impact toughness, fatigue strength and hardness.
ASTM A131 FH40 steel plate also has good process performance, which refers to the adaptability of materials to various processing methods. In modern shipbuilding, welding and bending are the most commonly used methods of metal material processing. Therefore, as a hull structural material, ASTM A131 FH40 steel plate must have good weldability and excellent flexural processing performance.
ASTM A131 FH40 chemical composition:
|
Grade |
C |
Mn |
Si |
P |
S |
Al |
Cb |
|
0.16 |
0.90-1.60 |
0.10-0.50 |
0.025 |
0.025 |
0.015 |
0.02-0.05 |
|
A131 FH40 |
V |
Ti |
Cu |
Cr |
Ni |
Mo |
N |
|
0.05-0.10 |
0.02 |
0.35 |
0.20 |
0.40 |
0.08 |
0.009 |
ASTM A131 FH40 mechanical properties:
|
Grade |
Yield Strength (Mpa) |
Tensile Strength
(MPa) |
Elongation in8 in.[200mm]
(%) |
Elongation in2 in.[50mm]
(%) |
Test Temperature(°C) |
|
A131 FH40 |
390 |
510-650 |
19 |
22 |
-60 |
ASTM A131 FH40 steel plate shall be killed, as a higher-strength grades ship plate, aluminum, vanadium, or columbium(niobium) may be used for grain refinement. If ASTM A131 FH40 steel plate over 35 mm in thickness shall be delivery with the condition of normalized, control rolled, or thermo-mechanical control processed.
