Marine Chains
DIN766 SHORT LINK CHAIN GRADE 3
A short pitch welded link chain made from high tensile carbon steel, designed for smooth articulation in anchor windlass gypsies and chain lockers. It meets DIN 766 standards with a 4:1 design factor, proof tested per batch, and suitable for marine windlass applications. Not for overhead lifting.
- Material
- Carbon steel Processing: Welded
- Finish
- Painting, hot dip galvanized Ultimate load is at least 4 times at working load limit
- Catalogue Family
- Marine Chains
- Certificates
- EN 10204 3.1 material test certificate on request
CAD files are supplied on request via WhatsApp or email rather than published for open download.
Key Benefits
What DIN766 Short Link Chain Grade 3 Gives You
- Shorter links allow smooth operation through windlass gypsies and chain lockers without binding
- High tensile carbon steel construction resists deformation under repeated tension and shock loading
- Proof load tested on every production batch to confirm strength and fit with windlass gypsies
- 4:1 design factor ensures minimum breaking load is four times the working load limit
- Welded construction maintains consistent link geometry and reduces wear at articulation points
- Painted or hot dip galvanized finish resists corrosion in marine environments
- Standardized pitch and link dimensions ensure compatibility with DIN 766 windlass systems
Application Scenarios
Where DIN766 Short Link Chain Grade 3 Is Used
- Anchor windlass systems on offshore supply vessels and fishing trawlers where chain must run smoothly through gypsies
- Marine vessel chain locker installations requiring flexible, low-friction chain that doesn’t bind
- Offshore platform mooring systems where chain articulates under dynamic load and environmental stress
- Harbor tugboat mooring operations with frequent chain deployment and retrieval
- Commercial fishing vessels using windlass systems with high cycle rates and saltwater exposure
- Marine construction projects requiring temporary mooring chains with consistent link fit
Who It Is For
Buyers This Product Is Built For
- Marine equipment suppliers specifying windlass-compatible chain for vessel builds
- Shipyards integrating anchor systems into new vessel designs
- Offshore contractors sourcing chain for mooring and anchoring in dynamic environments
- Fishing vessel operators replacing worn windlass chain with DIN 766 compliant material
- Marine rigging distributors carrying chain for windlass and mooring applications
- Marine maintenance contractors replacing chain in existing windlass systems
Problems It Solves
Problems This Product Removes
- Chain binding or jamming in windlass gypsies due to long pitch or inconsistent link geometry
- Premature chain failure from inadequate proof testing or material strength
- Incompatibility between chain pitch and windlass gypsy teeth leading to wear and slippage
- Corrosion damage in saltwater environments due to poor surface finish
- Lack of traceability in chain strength and load rating for safety compliance
- Buying chain and windlass fittings from separate suppliers with mismatched specifications
Technical Features
Technical Features
- Short pitch welded link chain per DIN 766 standard
- High tensile carbon steel body with quenched and tempered properties
- Proof load tested on production batches before release
- Minimum breaking load at least four times the working load limit
- Standard 4:1 design factor with WLL stamped on each chain section
- Painted or hot dip galvanized surface finish for corrosion resistance
- Link dimensions and pitch calibrated to fit DIN 766 windlass gypsies
Specifications
DIN766 Short Link Chain Grade 3 Specifications
Values published in the Kailipu catalogue for this item. Anything not listed is available on request.
| Standard | DIN 766 |
|---|---|
| Grade | Grade 3 |
| Material | Carbon steel |
| Processing | Welded |
| Surface Finish | Painting, hot dip galvanized |
| Design Factor | 4:1 minimum breaking load to safe working load |
| Minimum Breaking Force | 176 kN to 22,400 kN |
| Chain Size | 4 mm to 42 mm pitch |
| Length per 11 Links | 16 mm to 1,298 mm |
| D Tolerance | ±0.2 mm to ±2.1 mm |
| B Tolerance | 0.8 to 2.2 mm |
| Min. b | 4.8 mm to 50 mm |
| Max. B | 13.6 kN to 151 kN |
Full size table on request. The catalogue publishes a full dimension and capacity table for this item. Ask on WhatsApp or by email and we will send it as a PDF.
Materials
Materials And Finishes
- High tensile carbon steel for the chain links
- Welded joints with consistent fusion and no undercutting
- Paint coating for corrosion protection in marine environments
- Hot dip galvanizing as an alternative finish for enhanced saltwater resistance
Manufacturing Process
How This Product Is Made
1Cutting of carbon steel wire to specified length
2Welding of links using automated or semi-automated processes
3Heat treatment to achieve required tensile strength and ductility
4Proof load testing on each batch to verify strength and fit
5Surface finishing by painting or hot dip galvanizing
6Stamping of working load limit and chain size on each link
7Inspection and packing for export
Quality Control
Quality Control On Every Batch
- Proof load test on every production batch before shipment
- Dimensional tolerance check against DIN 766 specifications
- Breaking strength validation to confirm 4:1 design factor
- Visual inspection for weld quality and surface defects
- Working load limit and chain size stamped on each section
- Batch traceability maintained for material and test records
Documentation
Certification And Documentation Supplied
- Material Test Certificate to EN 10204 3.1 supplied on request
- Proof load test records available for each batch
Customisation
Customisation Options
- Custom tonnage stamping on chain sections
- Private label and OEM marking available
- Surface finish to order: painting or hot dip galvanizing
- Custom chain length or spool configuration
- Packing configuration to order: cartons, pallets, or bulk
Compare
How It Compares With The Alternatives
An honest read on where this pattern wins and where another one would serve you better.
| Alternative | Honest Trade Off |
|---|---|
| Long pitch chain | Short link chain articulates better through windlass gypsies and reduces wear on the gypsy teeth |
| Grade 43 chain | Grade 3 has lower tensile strength but is more cost-effective for non-critical marine applications |
| Rope or synthetic line | Chain offers higher abrasion resistance and durability in high-friction marine environments |
| Wire rope | Chain resists crushing and kinking in tight bends and is easier to inspect visually for damage |
Use Guide
How To Use And Inspect DIN766 Short Link Chain Grade 3
- Do not exceed the stamped working load limit on any chain section
- Inspect chain before each use for weld cracks, deformation, or surface corrosion
- Ensure chain pitch matches the windlass gypsy teeth to prevent binding
- Use only in marine windlass applications; not for overhead lifting or hoisting
- Clean and reapply protective coating after exposure to saltwater or harsh environments
- Retire chain if the link shows visible deformation, the weld is cracked, or the marking is illegible
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Answers
DIN766 Short Link Chain Grade 3 FAQ
Is this chain suitable for overhead lifting?
No. This chain is designed for marine windlass and mooring applications only. It is not rated for overhead lifting.
What is the design factor for this chain?
A standard 4:1 design factor is used, so the minimum breaking load is four times the working load limit.
Can you supply Material Test Certificates?
Yes. A Material Test Certificate to EN 10204 3.1 is supplied on request with each order.
What surface finishes are available?
Standard finishes are painting or hot dip galvanizing. Custom finishes are available on request.
How is the chain proof tested?
Each production batch is proof loaded to verify strength and fit with windlass gypsies before release.
Can you custom stamp our brand or tonnage?
Yes. Custom tonnage stamping, private label marking, and OEM packing are available.
What chain sizes are available?
Chain sizes range from 4 mm to 42 mm pitch, with working load limits from 13.6 kN to 151 kN.
Need A Quote On DIN766 Short Link Chain Grade 3
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