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China factories

China factory - Qingdao Jincheng Maritime Technology Co., Ltd

Qingdao Jincheng Maritime Technology Co., Ltd

  • China,Qingdao ,Shandong
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  3. R4 Grade High-Strength Alloy Steel ABS BV DNVGL Certified Marine Anchor Chain
China R4 Grade High-Strength Alloy Steel ABS BV DNVGL Certified Marine Anchor Chain
China R4 Grade High-Strength Alloy Steel ABS BV DNVGL Certified Marine Anchor Chain

  1. China R4 Grade High-Strength Alloy Steel ABS BV DNVGL Certified Marine Anchor Chain
  2. China R4 Grade High-Strength Alloy Steel ABS BV DNVGL Certified Marine Anchor Chain
  3. China R4 Grade High-Strength Alloy Steel ABS BV DNVGL Certified Marine Anchor Chain
  4. China R4 Grade High-Strength Alloy Steel ABS BV DNVGL Certified Marine Anchor Chain

R4 Grade High-Strength Alloy Steel ABS BV DNVGL Certified Marine Anchor Chain

  1. MOQ： 27.5 Meters
  2. Price： USD 800~1200 PER PIECE
  3. Get Latest Price
Type Number U1 U2 U3
Delivery Time 10-45 Days
Color Black/Red/Yellow Or Customer Demand
Payment Terms T/T,Western Union,L/C,MoneyGram,D/A,D/P
Design Simple And Sturdy
Supply Ability 15000 Metric Ton/Metric Tons Per Year
Port Of Loading Qingdao, China
Material High - Strength Alloy Steel/Stainless Steel/Carbon Steel
Surface Finishing Polished,Spray Paint,Galvanized
Certificate ABS,BV,DNVGL,KR,LR,NK,RINA,CCS,PRS,IRS,RS,CRS Certificated
Product Name Marine Anchor Chain
Packaging Details 1. Bare packed: packed in bundles 2. Packed in iron drums then on pallets 3. Packed in woodencase 4. Required by cllent shipping
Model Number U1 U2 U3
Certification CCS.ABS.LRS.BV.GL.DNV.NK.RMRS
Place of Origin China
Brand Name JC Maritime

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  1. Product Details
  2. Company Details

Product Specification

Type Number U1 U2 U3 Delivery Time 10-45 Days
Color Black/Red/Yellow Or Customer Demand Payment Terms T/T,Western Union,L/C,MoneyGram,D/A,D/P
Design Simple And Sturdy Supply Ability 15000 Metric Ton/Metric Tons Per Year
Port Of Loading Qingdao, China Material High - Strength Alloy Steel/Stainless Steel/Carbon Steel
Surface Finishing Polished,Spray Paint,Galvanized Certificate ABS,BV,DNVGL,KR,LR,NK,RINA,CCS,PRS,IRS,RS,CRS Certificated
Product Name Marine Anchor Chain Packaging Details 1. Bare packed: packed in bundles 2. Packed in iron drums then on pallets 3. Packed in woodencase 4. Required by cllent shipping
Model Number U1 U2 U3 Certification CCS.ABS.LRS.BV.GL.DNV.NK.RMRS
Place of Origin China Brand Name JC Maritime
High Light R4 grade marine anchor chain ，high-strength alloy steel anchor chain ，ABS BV DNVGL certified anchor chain
R4 Grade Offshore Mooring Stud Link Marine Ship Anchor Chain
Our high tensile stud link anchor chain is specially manufactured for shipbuilding and marine applications. Made from premium alloy steel, it features stable performance, high breaking load, excellent wear resistance and long service life.
This anchor chain is fully approved by major international classification societies including ABS, CCS, BV, LR and other IACS certificates. It is widely used for various types of vessels such as bulk carriers, container ships, oil tankers, general cargo ships, tugboats, work boats and other marine structures.
Strict quality control is carried out throughout the production process including material inspection, welding, heat treatment, painting and loading. We can supply standard sizes or customized diameters according to customer requirements.
R4 Grade Offshore Mooring Stud Link Marine Ship Anchor Chain product overview
Product Specifications
Material Advantages
Adopt 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
With internal reinforcing studs, the link structure is stable and not easy to deform, 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 for non-standard lengths
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
  1. Raw Material Preparation and Pretreatment: Select suitable low-carbon steel wire rod with surface treatment to remove impurities and ensure dimensional accuracy.
  2. Chain Forming and Welding: Specialized chain braiding equipment with flash butt welding or resistance welding, followed by shaping to ensure smooth connections.
  3. Heat Treatment and Strength Testing: Overall tempering treatment to improve tensile strength and toughness, with rigorous tensile testing and dimensional inspection.
  4. Hot-Dip Galvanizing for Corrosion Protection: Comprehensive pre-treatment and immersion in molten zinc to form uniform corrosion-resistant coating.
  5. Finished Product Inspection and Packaging: Final inspection including zinc layer adhesion, appearance, and dimensional verification before packaging and labeling.
Anchor chain manufacturing process diagram
Technical Drawings
Technical drawings of stud link anchor chain
Product Features
  • Multiple Grade Options: Available in U1, U2, U3 grades to meet diverse load requirements
  • Superior Material & Processing: Made of high-quality low carbon alloy steel with advanced welding and forging processes
  • Corrosion Resistant Surface Treatment: Optional hot dip galvanized or black bitumen coating with custom color options
Technical Parameters
Chain Diameter: Ranges from 12mm to 150mm (supports customization based on vessel tonnage and operation requirements)
Link Pitch: Strictly in line with standard ratios to ensure uniform force distribution
Length: Standard lengths include 25m, 50m, 100m per section; custom lengths available
Surface Treatment: Hot-dip galvanizing (zinc coating thickness ≥85μm) with optional anti-corrosion treatments
Applications
Stud Link Anchor Chain is widely used in shipbuilding, ocean engineering, vessel navigation, port and terminal, offshore platform, and marine engineering projects.
It is mainly applied to ship anchoring system, vessel mooring system, offshore wind power mooring, floating dock fixing, yacht anchoring, and marine engineering equipment.
Suitable for all kinds of bulk carriers, container ships, oil tankers, general cargo ships, tugboats, fishing vessels, yachts, work boats, and offshore engineering structures.
Anchor chain applications in marine environments
Certification & Load Performance
Obtained authoritative certifications from major international marine classification societies: CCS, ABS, BV, DNV-GL, LR, NK, KR, RINA, IRS
International certification badges for marine anchor chain
Customization & After-sales Service
Support non-standard customization of diameter, length, grade and surface treatment. Provide free product samples (freight collect) with 12-hour quick response to inquiries.
Flexible delivery cycle: 15-30 days for regular orders, customizable production plan for bulk orders. FOB Qingdao port optional, supporting T/T, L/C at sight and other payment terms.
Any questions please let us know. Our JinCheng Maritime will provide you the best service with 7*24 hours support.

Company Details

Bronze Gleitlager

,

Bronze Sleeve Bushings

 and 

Graphite Plugged Bushings

 from Quality China Factory

  • Business Type:

    Manufacturer,Distributor/Wholesaler,Agent,Exporter,Trading Company,Seller

  • Total Annual:

    >1000000

  • Employee Number:

    >50

  • Ecer Certification：

    Site Member

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...

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Get in touch with us

  • Reach Us
  • Qingdao Jincheng Maritime Technology Co., Ltd
  • No. 59-8, Fuqian Road, Rizhuang Town, Laixi City, Qingdao City, Shandong Province
  • https://www.maritime-rigging.com/

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