Material and Manufacturing:

In the field of ship mooring, the quality and performance of bollards are directly related to the safety and efficiency of port operations. Today, we are proud to introduce our elaborately crafted flared cast-steel bollards, which have remarkable advantages in materials and manufacturing processes.

Material Advantages

Cast steel: This includes C-Mn steel (such as ASTM A27-70-36), carbon steel, and mild steel. This is the most popular material, offering high strength and toughness.
• Cast iron.
• Stainless steel: Commonly used in applications requiring high corrosion resistance, such as yachts, for example, 316 stainless steel.

Manufacturing Process • Casting: This is the primary forming method, capable of producing complex and strong pile bodies.
• Welding: Some structures are manufactured using a steel plate welding process. For example, there are welded inclined mooring bollards that comply with the GB 556-65 standard.
Key Technical Requirements • Surface Treatment: The surface must be smooth, free of burrs and sharp corners that could damage the mooring line. Common treatments include sandblasting to S2.5 and applying an epoxy shop primer. Galvanizing and polishing are also possible upon request.
• Quality Inspection: Castings undergo rigorous inspection to ensure the absence of defects such as pinholes and cracks. Dye penetrant testing, magnetic testing, and even X-ray inspection of critical areas may be performed upon request.
• Heat Treatment: Steel castings typically require heat treatment before delivery to optimize their mechanical properties.

Selection:

Selection and Application Notes
When selecting and using bollards, pay special attention to the following points:

Certifications and Certificates: Reputable bollard products are typically certified by major classification societies, such as CCS (China Classification Society), ABS (American Bureau of Shipping), BV (Bureau Veritas), and DNV-GL (Deutsche Veritas). Be sure to request relevant certificates and test reports when purchasing.

Safety Factor: Manufacturers typically incorporate ample safety margins in their designs. For example, some products have a safety factor of 3, meaning they can withstand a tensile force three times the rated load.

Installation and Placement: The bollard's mounting base must be extremely secure, and the adjacent deck structure must be reinforced. The installation location should be located a certain distance from the fairlead and allow ample space for easy access.

Technical Parameters:

Application Scenarios:

1. Various Ships • Merchant Ships: Bulk carriers, container ships, tankers, etc., moored at port terminals.

• Naval Vessels: Moored at military terminals.

• Engineering and Workboats: Such as tugboats, dredgers, and floating cranes.

• Inland Waterway Vessels: Used in inland ports and waterways.

2. Port Terminals and Shorelines • Deepwater Ocean Terminals: Such as container terminals and liquefied natural gas (LNG) terminals.

• Inland Waterway Terminals
• Docks and Shipyards: Used to secure ships under repair or construction.

• Quays and Levees: Provide mooring points for small vessels.

3. Marine Engineering and Special Facilities • Offshore Platforms: Such as drilling platforms and production platforms, used to assist in the mooring of supply vessels.

• Floating Structures: Such as pontoons, pontoons, and pontoons.

4. Other Special Areas • Large Yacht Marinas
• Locks: Used in canals to secure ships while they wait for passage.

Support and Services:

Pre-Sales Services • Technical Consultation: Provide product selection, load calculation, and installation space and foundation requirements.

• Drawing Confirmation: Provide detailed product dimensional drawings and installation diagrams, and confirm with the designer or customer.

• Plan Development: Recommend appropriate materials and surface treatment solutions based on the operating environment (e.g., seaports, inland waterways, chemical plants).

Post-Sales Services • Production Progress Reporting: For customized products, provide regular feedback on production progress.

• Quality Inspection and Certification: Provide raw material certification, heat treatment reports, non-destructive testing reports (if applicable), and classification society certifications (e.g., CCS, ABS, DNV, etc.).

• Proper Packaging: Ensure products are well protected during transportation to prevent rust and damage.

After-Sales Services • Installation Guidance: Provide detailed installation instructions and, for critical projects, dispatch technicians for on-site guidance.

• Warranty: Typically, a 12- to 24-month warranty is provided, commencing from the date of project acceptance.

• Technical Support: Provide ongoing technical consultation and support throughout the product's lifespan. • Problem response and handling: During the warranty period, free repair or replacement will be provided for defects caused by materials or manufacturing processes.

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