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Our Stud Mooring Chain stands as a robust, high-performance solution for the most demanding marine and offshore operations. Available in three precision-engineered link types (Common, Enlarged, End Stud Links) with a nominal diameter range of 34mm to 187mm (1-1/4” to 7-2/5”), this chain adheres strictly to international standards including ISO 1704, ISO 20438, and API 2F, and is offered in grades ORQ, R3, R3S, R4, R4S, R5, and R6 to match diverse load requirements. Endorsed by global classification societies such as DNV, ABS, LR, BV, and CCS, it delivers exceptional tensile strength, corrosion resistance, and structural stability, effectively preventing link deformation under extreme offshore tension. Ideal for offshore oil & gas platforms, FPSO units, floating wind farms, and large cargo vessels, our stud mooring chain can also be fully customized to meet project-specific dimensions and performance needs. Trust Zhengmao’s proven quality and reliable supply to secure your critical marine assets.
Our stud mooring chain is available in three link types with precise dimensional formulas, covering a wide range of nominal diameters to suit diverse project needs. All products strictly comply with ISO 1704, ISO 20438, and API 2F international specifications.
Link Type | Nominal Diameter | Length (L) Formula | Width (W) Formula |
Common Stud Link | 34mm ~ 187mm (1-1/4” ~ 7-2/5”) | L = 6 × d | W = 3.6 × d |
Enlarged Stud Link | 1.1 × d | L = 6.6 × d | W = 3.96 × d |
End Stud Link | 1.2 × d | L = 6.75 × d | W = 4 × d |
Chain Grades: ORQ, R3, R3S, R4, R4S, R5, R6
Advanced electric welding process ensures uniform force distribution, making the chain resistant to extreme offshore loads, corrosion, and wear. Ideal for long-term use in saltwater environments.
Approved by authoritative classification societies including DNV, ABS, LR, BV, NK, KR, CCS, IRS. Our DNV certified stud mooring chain is trusted by clients worldwide for critical marine projects.
We offer tailor-made design services. Adjust link types, diameters, and lengths according to your project’s unique requirements. No matter the specification, we ensure compliance with international standards.
With decades of manufacturing experience, we maintain stable production capacity to deliver on-time orders. Balancing premium quality with competitive pricing for bulk purchases.
Our stud mooring chain is widely used in various marine and offshore scenarios, serving the needs of different industries:
Offshore oil and gas exploration platforms
LNG carriers, cargo ships, and large vessels
Floating wind farms and renewable energy structures
Port construction and marine engineering projects
Deep-sea floating production storage and offloading (FPSO) units
Quality and compliance are at the core of our production philosophy. All stud mooring chain products are rigorously tested to meet the highest industry standards:
International standards: ISO 1704, ISO 20438, API 2F
Classification society certifications: DNV, ABS, LR, BV, NK, KR, CCS, IRS
Factory quality control: Full inspection during raw material selection, welding, heat treatment, and final assembly
Stud mooring chain has a steel stud welded inside each link to prevent link deformation under heavy loads, making it suitable for high-tension offshore applications. Studless mooring chain is lighter and more cost-effective for small to medium-sized vessels with lower load requirements.
The grade selection depends on your project’s load capacity and environmental conditions. ORQ grade is ideal for general marine use; R3/R4 grades offer higher tensile strength for deep-sea and heavy-load offshore platforms. Our technical team can provide personalized recommendations based on your project details.
The MOQ varies based on the required specifications. For standard common stud links, we accept small-batch orders; for customized enlarged or end stud links, please [contact us](Contact Us) for detailed MOQ information.
Regularly inspect the chain for wear, corrosion, or link damage; clean the chain with freshwater after saltwater use; and apply anti-corrosion coatings periodically. For professional maintenance guidance, consult our after-sales service team.
Our Stud Mooring Chain stands as a robust, high-performance solution for the most demanding marine and offshore operations. Available in three precision-engineered link types (Common, Enlarged, End Stud Links) with a nominal diameter range of 34mm to 187mm (1-1/4” to 7-2/5”), this chain adheres strictly to international standards including ISO 1704, ISO 20438, and API 2F, and is offered in grades ORQ, R3, R3S, R4, R4S, R5, and R6 to match diverse load requirements. Endorsed by global classification societies such as DNV, ABS, LR, BV, and CCS, it delivers exceptional tensile strength, corrosion resistance, and structural stability, effectively preventing link deformation under extreme offshore tension. Ideal for offshore oil & gas platforms, FPSO units, floating wind farms, and large cargo vessels, our stud mooring chain can also be fully customized to meet project-specific dimensions and performance needs. Trust Zhengmao’s proven quality and reliable supply to secure your critical marine assets.
Our stud mooring chain is available in three link types with precise dimensional formulas, covering a wide range of nominal diameters to suit diverse project needs. All products strictly comply with ISO 1704, ISO 20438, and API 2F international specifications.
Link Type | Nominal Diameter | Length (L) Formula | Width (W) Formula |
Common Stud Link | 34mm ~ 187mm (1-1/4” ~ 7-2/5”) | L = 6 × d | W = 3.6 × d |
Enlarged Stud Link | 1.1 × d | L = 6.6 × d | W = 3.96 × d |
End Stud Link | 1.2 × d | L = 6.75 × d | W = 4 × d |
Chain Grades: ORQ, R3, R3S, R4, R4S, R5, R6
Advanced electric welding process ensures uniform force distribution, making the chain resistant to extreme offshore loads, corrosion, and wear. Ideal for long-term use in saltwater environments.
Approved by authoritative classification societies including DNV, ABS, LR, BV, NK, KR, CCS, IRS. Our DNV certified stud mooring chain is trusted by clients worldwide for critical marine projects.
We offer tailor-made design services. Adjust link types, diameters, and lengths according to your project’s unique requirements. No matter the specification, we ensure compliance with international standards.
With decades of manufacturing experience, we maintain stable production capacity to deliver on-time orders. Balancing premium quality with competitive pricing for bulk purchases.
Our stud mooring chain is widely used in various marine and offshore scenarios, serving the needs of different industries:
Offshore oil and gas exploration platforms
LNG carriers, cargo ships, and large vessels
Floating wind farms and renewable energy structures
Port construction and marine engineering projects
Deep-sea floating production storage and offloading (FPSO) units
Quality and compliance are at the core of our production philosophy. All stud mooring chain products are rigorously tested to meet the highest industry standards:
International standards: ISO 1704, ISO 20438, API 2F
Classification society certifications: DNV, ABS, LR, BV, NK, KR, CCS, IRS
Factory quality control: Full inspection during raw material selection, welding, heat treatment, and final assembly
Stud mooring chain has a steel stud welded inside each link to prevent link deformation under heavy loads, making it suitable for high-tension offshore applications. Studless mooring chain is lighter and more cost-effective for small to medium-sized vessels with lower load requirements.
The grade selection depends on your project’s load capacity and environmental conditions. ORQ grade is ideal for general marine use; R3/R4 grades offer higher tensile strength for deep-sea and heavy-load offshore platforms. Our technical team can provide personalized recommendations based on your project details.
The MOQ varies based on the required specifications. For standard common stud links, we accept small-batch orders; for customized enlarged or end stud links, please [contact us](Contact Us) for detailed MOQ information.
Regularly inspect the chain for wear, corrosion, or link damage; clean the chain with freshwater after saltwater use; and apply anti-corrosion coatings periodically. For professional maintenance guidance, consult our after-sales service team.
