Grade 80 Links
G80 US Type Forged Oblong Master Link A342
A forged alloy steel oblong master link in Grade 80, designed for use in overhead lifting, towing, and material handling. It features a wide body to space multiple slings and connect directly to hoists, cranes, or winches. Available from 1/2 inch to 4 inch in size, with powder coated or painted finish, and built to a 4:1 design factor for chain and 5:1 for wire rope slings. Complies with EN1677-4, replacing DIN5688-3.
- Size
- From 1/2" to 4" Surface :Powder Coated,Painted Process:Froged,Qunenched and Tempered
- Packing
- Cartons then pack on pallets Complies with EN1677-4 ( to replace DIN5688-3) BF(CHAIN)= 4XWLL, BF(ROPE)=5XWLL
- Catalogue Family
- Grade 80 Links
- 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 G80 US Type Forged Oblong Master Link A342 Gives You
- Wide oblong body allows proper spacing of multiple slings in a multi-leg lift
- Direct connection to hoists, cranes, and winches reduces the need for additional shackles
- Grade 80 alloy steel forged, quenched and tempered for high strength and impact resistance
- Powder coated or painted finish resists corrosion in industrial and outdoor environments
- 4:1 design factor for chain slings and 5:1 for wire rope slings ensures safe working load margins
- Complies with EN1677-4, replacing DIN5688-3, for international rigging standards
- Single and multiple leg sling configurations supported with consistent load distribution
Application Scenarios
Where G80 US Type Forged Oblong Master Link A342 Is Used
- Overhead lifting operations in construction and infrastructure where multiple slings must be spaced evenly
- Towing and recovery setups using winches and hoists with direct attachment to the master link
- Industrial material handling in steel plants and manufacturing where high-strength rigging is required
- Marine and offshore applications where corrosion resistance and load integrity are critical
- Assembly and installation of heavy machinery using multi-leg sling configurations
- Rigging setups in ports and logistics hubs where quick connection and load stability are needed
Who It Is For
Buyers This Product Is Built For
- Industrial rigging contractors specifying high-strength master links for multi-leg lifts
- Cranes and hoist operators needing direct attachment points for slings and cables
- Marine and offshore maintenance teams requiring corrosion-resistant rigging hardware
- Manufacturers of lifting and towing equipment integrating master links into their systems
- Logistics and transport firms handling heavy cargo with multi-leg rigging configurations
Problems It Solves
Problems This Product Removes
- Inconsistent spacing of multiple slings due to narrow or rigid shackle designs
- Need for extra shackles to connect slings to hoists, increasing weight and complexity
- Corrosion and surface degradation on uncoated steel links in harsh environments
- Lack of compliance with EN1677-4 in legacy DIN5688-3 parts used in international projects
- Uncertain load distribution when using non-oblong links in multi-leg configurations
- Inadequate design factor for wire rope slings when using links rated only for chain
Technical Features
Technical Features
- Forged alloy steel body with quench and temper heat treatment for strength and durability
- Oblong shape with wide body to accommodate multiple slings and prevent interference
- 4:1 design factor for chain slings and 5:1 for wire rope slings as per standard
- Powder coated or painted surface finish for corrosion resistance
- Complies with EN1677-4, replacing DIN5688-3, for international compliance
- Available in sizes from 1/2 inch to 4 inch with documented WLL and dimensions
- Stamped working load limit and material grade for traceability in the field
Specifications
G80 US Type Forged Oblong Master Link A342 Specifications
Values published in the Kailipu catalogue for this item. Anything not listed is available on request.
| Material | Alloy steel |
|---|---|
| Grade | G80 |
| Size Range | 1/2 inch to 4 inch |
| Design Factor | 4:1 for chain, 5:1 for wire rope |
| Surface Finish | Powder coated or painted |
| Process | Forged, quenched and tempered |
| Compliance | EN1677-4 (replaces DIN5688-3) |
| Working Load Limit | Varies by size, see table |
| Dimensions | A, B, D as per size table |
| Weight | From 2.1 kg to 103.43 kg depending on size |
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
- Alloy steel body forged then quenched and tempered for high tensile strength
- Powder coat or paint finish applied after forging for corrosion resistance
- Heat-treated steel to maintain structural integrity under dynamic loads
- No galvanizing or zinc plating specified; finish is powder coat or paint
Manufacturing Process
How This Product Is Made
1Forging of the oblong link blank from alloy steel
2Quench and temper heat treatment to achieve Grade 80 strength
3Machining of the link body to final dimensions and tolerances
4Surface finishing via powder coating or painting
5Stamping of working load limit and material grade
6Proof load testing and inspection before packing
Quality Control
Quality Control On Every Batch
- Proof load testing on production batches before release
- Dimensional tolerance checking against published size table
- Breaking strength validation to confirm 4:1 and 5:1 design factors
- Material Test Certificate to EN 10204 3.1 supplied with orders
- Working load limit and grade stamped on the body for traceability
- Third-party inspection accepted at the China warehouse before shipment
Customisation
Customisation Options
- Custom tonnage stamping on the link body
- Private label and OEM marking available
- Custom surface finish including powder coating or paint to order
- Custom sizes and dimensions built to a supplied drawing
- Custom carton and pallet packing configuration for export or warehouse use
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 |
|---|---|
| Standard D Shackle | The oblong shape allows better spacing for multiple slings and direct connection to hoists, but a D shackle has a higher load capacity in single-leg use |
| Round Master Link | The oblong link provides better stability and spacing for multi-leg lifts, but a round link is easier to handle and rotate in tight spaces |
| DIN5688-3 Link | This link complies with EN1677-4, replacing DIN5688-3, and offers updated design and compliance for international projects |
| Chain Link with No Oblong Shape | The wide oblong body prevents sling interference and improves load distribution, but a standard chain link is lighter and less expensive for simple applications |
Use Guide
How To Use And Inspect G80 US Type Forged Oblong Master Link A342
- Match the stamped working load limit to the calculated load, not the hoist or winch rating
- Ensure the link is not overloaded by checking the WLL for chain or rope configuration
- Inspect the powder coat or paint finish for damage before each use; replace if compromised
- Do not use if the body shows deformation, cracks, or if the stamping is illegible
- Keep the link aligned with the load path to avoid side loading and uneven stress
- Retire the link if it fails a proof load test or shows signs of fatigue or wear
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Guides Worth Reading Before You Order
Answers
G80 US Type Forged Oblong Master Link A342 FAQ
What is the design factor for chain and wire rope slings?
4:1 for chain slings and 5:1 for wire rope slings, as specified in the product data
Is this link compliant with EN1677-4?
Yes, it complies with EN1677-4, which replaces DIN5688-3, for international rigging standards
Can you custom stamp a different tonnage?
Yes, custom tonnage stamping is available on request
What surface finishes are available?
Powder coated or painted finishes are standard; custom finishes can be arranged
What sizes are available?
Sizes range from 1/2 inch to 4 inch in diameter, with corresponding WLL and dimensions in the product table
How are the links packed for export?
Cartons on pallets as standard; custom carton and pallet configurations are available to suit your warehouse or retail pack
Are Material Test Certificates available?
Yes, a Material Test Certificate to EN 10204 3.1 is supplied with every order on request
Need A Quote On G80 US Type Forged Oblong Master Link A342
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