GL Grade E Ship Steel Plate
Products Description What Is the Specific Role of Nickel in GL Grade E Ship Steel Plate? The presence of nickel in GL Grade E Ship Steel Plate plays a distinct and significant role in influencing its properties and performance. Understanding this role is crucial for the effective utilization and...
Description
Products Description
|
Steel Grade |
C |
Si |
Mn |
P |
S |
Als |
|
A |
≤0.21 |
≤0.50 |
≥2.5c |
≤0.035 |
≤0.035 |
|
|
B |
≤0.21 |
≤0.35 |
0.8~1.2 |
≤0.035 |
≤0.035 |
|
|
D |
≤0.21 |
≤0.35 |
0.6~1.2 |
≤0.035 |
≤0.035 |
≥0.015 |
|
E |
≤0.18 |
≤0.35 |
0.7~1.2 |
≤0.035 |
≤0.035 |
≥0.015 |
|
AH32 |
≤0.18 |
≤0.50 |
0.9~1.6 |
≤0.035 |
≤0.035 |
≥0.015 |
|
DH32 |
≤0.18 |
≤0.50 |
0.9~1.6 |
≤0.035 |
≤0.035 |
≥0.015 |
|
EH32 |
≤0.18 |
≤0.50 |
0.9~1.6 |
≤0.035 |
≤0.035 |
≥0.015 |
|
FH32 |
≤0.18 |
≤0.50 |
0.9~1.6 |
≤0.035 |
≤0.035 |
≥0.015 |
|
AH36 |
≤0.18 |
≤0.50 |
0.9~1.6 |
≤0.035 |
≤0.035 |
≥0.015 |
|
DH36 |
≤0.18 |
≤0.50 |
0.9~1.6 |
≤0.035 |
≤0.035 |
≥0.015 |
|
EH36 |
≤0.18 |
≤0.50 |
0.9~1.6 |
≤0.035 |
≤0.035 |
≥0.015 |
|
FH36 |
≤0.18 |
≤0.50 |
0.9~1.6 |
≤0.035 |
≤0.035 |
≥0.015 |
|
AH40 |
≤0.18 |
≤0.50 |
0.9~1.6 |
≤0.035 |
≤0.035 |
≥0.015 |
|
DH40 |
≤0.18 |
≤0.50 |
0.9~1.6 |
≤0.035 |
≤0.035 |
≥0.015 |
In terms of fatigue resistance, nickel plays a positive role. Ships undergo repetitive loading and unloading cycles during their operational life. The presence of nickel helps improve the steel's ability to withstand these cyclic stresses, reducing the risk of fatigue failure and enhancing the reliability of the ship's structure.
Nickel also has an impact on the weldability of the steel. It can improve the quality and integrity of weld joints, ensuring that the welded areas have similar or even better properties compared to the base metal. This is crucial for maintaining the overall strength and performance of the ship's structure, especially in critical sections where welding is commonly employed.
In summary, nickel in GL Grade E Ship Steel Plate serves multiple essential functions, including enhancing toughness, improving corrosion resistance, influencing heat treatment, increasing fatigue resistance, and facilitating weldability. The careful control and incorporation of nickel contribute significantly to the suitability and reliability of this steel in the demanding field of shipbuilding.
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