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{"title":"36mm High - Strength Alloy Steel Spray Paint Yacht Anchor Chain Stud Link Anchor","imgUrl":"https:\/\/img.chinax.com\/nimg\/e3\/92\/9ee6d19fb32bd31dcacebbdad512-200x200-1\/36mm_high_strength_alloy_steel_spray_paint_yacht_anchor_chain_stud_link_anchor_chain.jpg","attrs":{"Brand Name":"JC Maritime","Model Number":"U1 U2 U3","Certification":"CCS.ABS.LRS.BV.GL.DNV.NK.RMRS","Place of Origin":"China"}}
{"title":"32mm High - Strength Alloy Steel Galvanized Stud Link Anchor Chain Yacht Anchor","imgUrl":"https:\/\/img.chinax.com\/nimg\/ab\/d9\/a2d34227d38e629248122881cb4f-200x200-1\/32mm_high_strength_alloy_steel_galvanized_stud_link_anchor_chain_yacht_anchor_chain.jpg","attrs":{"Brand Name":"JC Maritime","Model Number":"U1 U2 U3","Certification":"CCS.ABS.LRS.BV.GL.DNV.NK.RMRS","Place of Origin":"China"}}
{"title":"84mm High - Strength Alloy Steel Spray Paint Stud Link Anchor Chain Vessel","imgUrl":"https:\/\/img.chinax.com\/nimg\/79\/1d\/f435f4a8d2203b652d6ef9081037-200x200-1\/84mm_high_strength_alloy_steel_spray_paint_stud_link_anchor_chain_vessel_positioning.jpg","attrs":{"Product Name":"84mm High - Strength Alloy Steel Spray Paint Stud Link Anchor Chain Vessel Positioning","Type Number":"U1 U2 U3","Material":"High - Strength Alloy Steel\/Stainless Steel\/Carbon Steel","Surface Finishing":"Polished,Spray Paint,Galvanized"}}
{"title":"78mm Spray Paint High - Strength Alloy Steel Stud Link Anchor Chain Boat Anchor","imgUrl":"https:\/\/img.chinax.com\/nimg\/3c\/22\/2b079ae44088a7ba3ff7dc080bd7-200x200-1\/78mm_spray_paint_high_strength_alloy_steel_stud_link_anchor_chain_boat_anchor_chain.jpg","attrs":{"Brand Name":"JC Maritime","Model Number":"U1 U2 U3","Certification":"CCS.ABS.LRS.BV.GL.DNV.NK.RMRS","Place of Origin":"China"}}
{"title":"76mm Grade3 High - Strength Alloy Steel Spray Paint Stud Link Anchor Chain","imgUrl":"https:\/\/img.chinax.com\/nimg\/dc\/0b\/8ccc7ffc5a782786e41ad0ddb628-200x200-1\/76mm_grade3_high_strength_alloy_steel_spray_paint_stud_link_anchor_chain.jpg","attrs":{"Brand Name":"JC Maritime","Model Number":"U1 U2 U3","Certification":"CCS.ABS.LRS.BV.GL.DNV.NK.RMRS","Place of Origin":"China"}}
{"title":"U2 28mm 32mm 48mm Black Galvanizied Steel Studlink Anchor Chain for Marine Buoy","imgUrl":"https:\/\/img.chinax.com\/nimg\/16\/d8\/5670e606782fe9ea80f7ae78d240-200x200-1\/u2_28mm_32mm_48mm_black_galvanizied_steel_studlink_anchor_chain_for_marine_buoy.jpg","attrs":{"Brand Name":"JC Maritime","Model Number":"U1 U2 U3","Certification":"CCS.ABS.LRS.BV.GL.DNV.NK.RMRS","Place of Origin":"China"}}
U2 U3 Grade Marine Anchor Chains for Ships - Stud Link Design
High-performance steel forging marine mooring & anchor chain with black coating, available in both stud and studless link types. Professionally engineered for marine anchoring and mooring systems of various vessels and offshore facilities, featuring excellent structural strength, seawater corrosion resistance and load-bearing capacity.
Product Overview
Material Advantages
Adopts high-quality marine special alloy steel round bar, main grades include CM490 (U2 grade). The steel forging process optimizes the internal metal structure, eliminating internal stress and significantly improving the chain's tensile, impact and fatigue resistance.
Stud Link Type
Internal reinforcing studs provide stable structure resistant to deformation
Suitable for heavy load anchoring of large ships and offshore engineering
Nominal diameter range: 12.5mm - 120mm
Standard link size: inside length 4D, outside width 3.6D (D = nominal diameter)
Standard section length 27.5m, customizable non-standard lengths available
Studless Link Type (Open Link)
No internal studs, lighter weight
Easy to match with large shackles, avoiding stud loosening faults
Nominal diameter range: 12.5mm - 70mm
Ideal for medium and small vessels, offshore permanent mooring and auxiliary anchoring
Proof load and breaking load meet U2/U3 grade international standards
Manufacturing Process
Raw Material Preparation: Select low-carbon steel wire rod with surface treatment to remove impurities
Chain Forming and Welding: Specialized equipment forms chain links with flash butt welding and shaping
Heat Treatment: Overall tempering treatment to eliminate stress and improve strength
Hot-Dip Galvanizing: Immersion in molten zinc at 440-460℃ for corrosion protection
Final Inspection: Comprehensive quality checks including zinc layer adhesion and dimensional verification
Technical Drawings
Key Features
Corrosion Resistant: Hot dip galvanized or black bitumen coating with custom color options
Comprehensive Specifications: Diameter ranges 12.5mm-130mm, standard length 27.5m per shot
Certified & Reliable: Manufactured to IACS UR W29, UR W18, and IMORULES standards with SGS certification
Safety Factor: 4:1 with proof load and breaking load strictly compliant with industry standards
Technical Parameters
Chain Diameter: 12mm to 150mm (customizable based on vessel tonnage) Link Pitch: Standard ratios for uniform force distribution Length: Standard lengths 25m, 50m, 100m per section; custom lengths available Surface Treatment: Hot-dip galvanizing (zinc coating ≥85μm) with optional epoxy coating or stainless steel
Applications
Widely used in cargo ships, passenger ships, offshore platforms, fishing boats, and yachts. Suitable for temporary mooring in harbors, permanent mooring in deep waters, and offshore oil and gas development mooring systems.
Since its establishment in 2005, Qingdao Jincheng Maritime Technology Co., Ltd. has been steadily advancing in the maritime technology field for nearly two decades. The company focuses on the core business of manufacturing marine supplies, always adhering to the concepts of innovation and excellence... Since its establishment in 2005, Qingdao Jincheng Maritime Technology Co., Ltd. has been steadily advancing in the maritime technology field for nearly two decades. The company focuses on the core business of manufacturing marine supplies, always adhering to the concepts of innovation and excellence...
