Offshore mooring steel buoys are robust and essential structures used in maritime and offshore operations to mark positions, provide mooring points, and assist in navigation. Constructed from high - grade steel, these buoys are designed to endure the harsh conditions of the open sea, including strong waves, high winds, and corrosive saltwater.
Typically cylindrical or spherical in shape, offshore mooring steel buoys come in various sizes depending on their intended use. They are equipped with mooring hardware, such as shackles and chains, which allow vessels to securely tie up. Internally, they may contain ballast to ensure stability and may be fitted with additional features like navigation lights, reflectors, or monitoring equipment. These features make them highly visible to ships at night or in poor weather conditions and enable remote monitoring of environmental data.
The surface of steel buoys is often protected with anti - corrosion coatings, such as epoxy paints or zinc - based materials, to extend their lifespan. Their reliability and durability make them a crucial component in offshore oil and gas platforms, marine terminals, and large - scale fishing operations, providing safe and stable mooring solutions for vessels of different sizes.
Stock No. |
Type |
Buoyancy (not include anchor chains) |
Dia. x High |
Chain |
Ring |
To suit Sinker |
Mooring Shackle |
Berthing Capacity |
(T) |
(M) |
(MM) |
(MM) |
(T) |
(MM) |
(T) |
HSM030401001 |
2.0 Type Steel Mooring Buoy |
3 |
Φ2x1.74 |
Φ62 |
Φ45 |
4 |
Φ90 |
<2000 |
HSM030401002 |
2.6 Type Steel Mooring Buoy |
6 |
Φ2.6x2.27 |
Φ72 |
Φ45 |
6 |
Φ90 |
<5000 |
HSM030401003 |
3.6 Type Steel Mooring Buoy |
9 |
Φ3.6x2.14 |
Φ90-Φ100 |
Φ50 |
8 |
Φ14 |
<10000 |
HSM030401004 |
5 Type Steel Mooring Buoy |
28.5 |
Φ5x3.4 |
Φ122 |
Φ60 |
12 |
Φ14 |
<12000 |
HSM030401005 |
5.5 Type Steel Mooring Buoy |
31.2 |
Φ5.5x3.0 |
- |
- |
- |
- |
<100000 |
HSM030401006 |
6 Type Steel Mooring Buoy |
34.2 |
Φ6.0x3.2 |
- |
- |
- |
- |
<150000 |
Haosail will provide Mill cert and inspection report and steel material quality certificate for each buoy. If required, MPI and UT inspection report is also available.
We have mechanical laboratory covers an area of 1000 square meters, equipped with 6300KN multi-function tensile testing machine, Spark-OES, Metallurgical micropscope, universal testing machine, automcatic impact testing machine, salt spary test machine, by testing materials, microstructure, mechanical properties and product functions, the quality is guaranteed to meet the standard requirements. Our laboratory is internation CNAS certified. MPI and UT Test is also available if customer has special NDT requirement to check the strength and welding condition of the anchor.
We ensure that each batch of products will provide you with detailed inspection photos or videos.
Qingdao Haosail machinery Co., Ltd. is located in Qingdao, the central ocean city in northern China, and it is a national high-tech enterprise and technology innovation enterprise. Our company focuses on the R & D and production of the intelligent solution of deep-sea aquaculture equipment. Relying on advanced technology and reliable equipment, our company has long-term in-depth cooperation with customers in more than 20 countries such as United States, Australia, Singapore, Poland and Ukraine.
Our company takes scientific and technological innovation as the driving force, inherits the enterprise culture of "Haosail, worthy of your trust", and builds the company into a brand enterprise with a sense of mission and competitiveness.
Haosail's Supply Chain Management Team, Quality Management System and kinds of Testing Equipments ensure complete confidence in the products and services provided, and to ensure customer satisfaction.
√ Getting things right first time
√ Know kinds of factory well, know their production capacity and advantages, resource allocation, can quick response to all kinds of problems.
√ Develop product cost model independently, get hold of product cost composition
√ Overall optimization design, reduce the cost and the risk
√ Offer products and services that are better in quality or performance than those offered by the competition
√ Customer specifications strictly observed and fulfilled.
We can Technical Design:
Our team have a depth of technical ability and knowledge gained through many years of experience in lifting, rigging and safety. We can provide common lifting design, heavy work lifting design, and can non-standard product lifting design to meet customer needs.
We can do Training:
In order to better serve customers, our company specially organized professionals to carry out training in lifting design, lifting product introduction and use, and lifting product maintenance.
Q1: What are the main functions of an offshore mooring steel buoy?
A: The primary functions include serving as a mooring point for vessels, marking important maritime positions (such as channels or hazards), and assisting in navigation. Some buoys can also be used to house monitoring equipment for environmental data collection.
Q2: How are offshore mooring steel buoys anchored?
A: They are usually anchored to the seabed using heavy - duty chains, ropes, or cables connected to anchors like drag - embedment anchors or suction - pile anchors. The type of anchoring system depends on the seabed conditions and the buoy's size and load requirements.
Q3: How do you protect offshore mooring steel buoys from corrosion?
A: Multiple methods are employed. Surface coatings like epoxy paints, zinc - rich primers, or hot - dip galvanization are commonly used. Additionally, sacrificial anodes may be attached to the buoy; these anodes corrode instead of the steel, thereby protecting the buoy structure.
Q4: Can offshore mooring steel buoys withstand severe weather conditions?
A: Yes, they are engineered to endure harsh marine environments, including strong storms, high waves, and extreme winds. Their robust steel construction, combined with proper ballasting and anchoring, allows them to maintain stability during adverse weather.
Q5: What determines the size of an offshore mooring steel buoy?
A: Several factors play a role, such as the intended use (e.g., for small boats or large tankers), the water depth of the mooring area, the expected loads from vessels, and the environmental conditions of the location. Larger buoys are generally needed for deeper waters and heavier loads.
Q6: Are offshore mooring steel buoys easy to maintain?
A: While they are durable, maintenance is still required. Regular inspections are needed to check for signs of corrosion, damage to the mooring hardware, or malfunction of additional equipment (like lights). Anti - corrosion coatings may need periodic touch - ups, and worn - out components should be replaced promptly.
Q7: Do offshore mooring steel buoys have any environmental impact?
A: When properly maintained and disposed of at the end of their life cycle, the environmental impact is minimal. However, if not managed correctly, rust and debris from corroded buoys can potentially affect marine life, and improper disposal can contribute to marine pollution.
Q8: Can offshore mooring steel buoys be customized?
A: Yes, they can be customized according to specific requirements. This may include adding specialized mooring fixtures, integrating different types of monitoring devices, modifying the shape or size, or applying unique paint schemes for identification purposes.