The comparison between marine flat bulb steel and other ship structural materials mainly involves the following aspects:
1. Strength and rigidity:
- Bulb flat steel: usually has high strength and good rigidity, and is suitable for parts that need to bear large loads.
- Other materials: such as aluminum alloy, fiberglass, etc., may have obvious advantages in light weight and corrosion resistance.
2. Corrosion resistance:
- Bulb flat steel: requires regular anti-rust treatment to keep its surface free from corrosion.
- Other materials: such as stainless steel, aluminum alloy, etc., have better corrosion resistance.
3. Cost:
- marine flat bulb steel: Relatively affordable, but maintenance costs may be higher.
- Other materials: such as composite materials, high-strength steel, etc., the initial investment may be higher, but the long-term maintenance cost may be lower.
4. Weight:
- marine flat bulb steel: relatively high density, which will increase the overall weight of the ship.
- Other materials: such as aluminum alloys, composite materials, etc., have lighter weight and are conducive to energy saving and emission reduction of ships to a certain extent.
5. Plasticity:
- marine flat bulb steel: difficult to process and form, limiting design flexibility.
- Other materials: such as aluminum alloys, composite materials, etc., have better plasticity and are conducive to realizing more complex structural designs.
The selection of suitable ship structure materials should be comprehensively considered based on specific design requirements, budget, environmental conditions and other factors.