Grade 80 Hooks
G80 High Tensile C Hook Lashing Chain Type Marine Towing Hook
A drop-forged G80 high tensile C hook made from quenched and tempered alloy steel, designed for use with Grade 80 lashing chains in cargo securing, towing, and rigging applications. The hook features a spring pin for secure retention and is stamped with 'G80' or '8' for quick identification. It is suitable for chain slings and can be used with chain binders. Dimensions range from 9-8 to 13-8, with working load limits from 2.5 to 5.4 tonnes. Powder coated or painted finish for corrosion resistance.
- Size
- From 9-8 to 13-8 Processing: Drop Forged / Quenched and Tempered
- Material
- Alloy steel
- Finish
- Powder Coated,Painted
- Packing
- Cartons then pack on pallets
- Catalogue Family
- Grade 80 Hooks
- 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 High Tensile Hook Gives You
- Drop-forged alloy steel body with quenched and tempered treatment provides high tensile strength and ductility for heavy-duty use
- G80 grade stamped clearly on the hook for immediate identification and compatibility with Grade 80 chain slings
- Spring pin design prevents accidental disengagement under dynamic load and vibration
- Working load limit stamped on the hook body for traceability and field verification
- Powder coated or painted finish resists rust and wear in marine, outdoor, and industrial environments
- Designed to work directly with lashing chains and chain binders, reducing the need for multiple components
- Standard 4:1 design factor ensures reliable performance under rated loads
Application Scenarios
Where G80 High Tensile Hook Is Used
- Marine towing operations where a chain lashing system must secure heavy cargo on deck or in a barge
- Cargo securing on flatbed trailers and intermodal containers using chain binders and lashing chains
- Construction site rigging for positioning heavy steel beams, precast panels, or machinery
- Manufacturing plant lifting and moving heavy components with chain sling systems
- Offshore or port operations requiring durable, traceable hooks for repeated use in harsh conditions
Who It Is For
Buyers This Product Is Built For
- Marine and offshore contractors sourcing reliable lashing hardware for vessel cargo systems
- Logistics and freight forwarders specifying durable hooks for container and trailer lashing
- Construction companies integrating G80 hooks into rigging plans for structural steel handling
- Rigging distributors carrying a full line of Grade 80 hardware and chain accessories
- Industrial maintenance teams needing traceable, high-strength hooks for equipment lifting
Problems It Solves
Problems This Product Removes
- Inconsistent hook identification on mixed-grade hardware leading to incorrect load assignments
- Hook failure due to low tensile strength or poor material treatment in high-stress applications
- Pin dislodgement under vibration or dynamic pull due to lack of retention mechanism
- Lack of traceability in the field when working load limits are not clearly marked
- Corrosion damage in marine or outdoor environments from untreated or poorly finished hooks
- Need to source hooks and chain binders from separate suppliers, increasing procurement complexity
Technical Features
Technical Features
- Drop-forged body in quenched and tempered alloy steel for impact resistance and high tensile strength
- G80 grade clearly stamped on the hook body for easy identification
- Spring pin with retention feature to prevent accidental disengagement
- Working load limit stamped on the hook for traceability and field use
- Standard 4:1 design factor with proof load testing
- Powder coated or painted finish for corrosion resistance in harsh environments
- Dimensions specified in mm for accurate fit with lashing chains and binders
Specifications
G80 High Tensile Hook Specifications
Values published in the Kailipu catalogue for this item. Anything not listed is available on request.
| Capacity Range | 2.5 to 5.4 tonnes working load limit |
|---|---|
| Material | Quenched and tempered alloy steel |
| Grade | G80 |
| Design Factor | 4:1 standard |
| Surface Finish | Powder coated or painted |
| Size Range | 9-8 to 13-8 |
| Proof Load Test | the published multiple of the working load limit |
| Dimensions | L±2 A±0.3 B±1.5 R±1 mm |
| Weight Range | 0.5 to 1.38 kg |
| Certificates | Material Test Certificate to EN 10204 3.1 supplied with orders |
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
- Quenched and tempered alloy steel for high tensile strength and ductility
- Spring pin made from hardened steel for secure retention under dynamic load
- Powder coat or paint layer applied over the forged body for corrosion resistance
- Stainless steel components used where applicable for long-term durability in harsh environments
Manufacturing Process
How This Product Is Made
1Drop forging of the hook blank from alloy steel billet
2Quench and temper heat treatment to achieve G80 tensile properties
3Machining of the hook throat, pin bore, and retention features
4Assembly of the spring pin and final inspection of fit and function
5Surface finishing by powder coating or painting
6Stamping of G80 grade and working load limit
7Proof load testing and packing
Quality Control
Quality Control On Every Batch
- Proof load test on each production batch at the published multiple of the working load limit
- Dimensional tolerance check against published size table
- Breaking strength validation to confirm 4:1 design factor
- Visual and functional inspection of the spring pin and retention mechanism
- Material Test Certificate to EN 10204 3.1 issued with every order
- Third-party inspection accepted at the Qingdao warehouse before shipment
Documentation
Certification And Documentation Supplied
- Material Test Certificate to EN 10204 3.1 supplied with orders
- Working load limit and grade stamped on the hook body
Customisation
Customisation Options
- Custom tonnage stamping on the hook body
- Private label and OEM marking available
- Finish to order in powder coating, painting, or electrophoretic black
- Custom sizes and configurations built to a supplied drawing
- Packing carton and pallet configuration tailored to warehouse or retail needs
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 |
|---|---|
| Grade 43 C hook | G80 offers higher tensile strength and better performance under dynamic loads, but is more expensive and not suitable for all applications where lower strength is sufficient |
| Screw pin C hook | Spring pin version resists loosening under vibration better than a screw pin, but requires a pin tool for removal and is less adjustable |
| Screw pin with cotter pin | The spring pin design is more reliable in continuous use and reduces the risk of loss, but is not as easily inspected for wear as a cotter pin |
| Cast steel hook | Drop-forged G80 has superior impact resistance and ductility compared to cast steel, making it safer in dynamic lifting and towing scenarios |
Use Guide
How To Use And Inspect G80 High Tensile Hook
- Verify the stamped working load limit matches the calculated load before use
- Ensure the spring pin is fully seated and secured before applying load
- Inspect the hook throat and pin bore for wear or deformation before each use
- Do not use if the G80 marking is illegible or the finish is damaged beyond repair
- Avoid side loading or twisting the hook, which can reduce strength and cause failure
- Retire the hook if the body shows permanent deformation or the pin cannot be secured
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Answers
G80 High Tensile Hook FAQ
What is the design factor for this G80 C hook?
A standard 4:1 design factor applies. The minimum breaking load is four times the stated working load limit. Proof load testing is conducted at the published multiple of the working load limit.
Is the working load limit stamped on the hook?
Yes. The working load limit is stamped on the body of the hook for traceability and field verification. This marking is part of the standard production process.
Can I use this hook with a chain binder?
Yes. The G80 C hook is designed to be used with chain binders and lashing chains. It fits standard Grade 80 chain sizes and is compatible with most binder systems.
What finish options are available?
Standard finish is powder coated or painted. Custom finishes such as electrophoretic black, zinc plating, or powder coating in other colors are available on request.
What certificates come with the order?
A Material Test Certificate to EN 10204 3.1 is supplied with every order. This document confirms material composition and mechanical properties.
Can you custom stamp our brand or tonnage?
Yes. Custom tonnage stamping, private label marking, and OEM branding are standard options. The finish and size can also be customized to your specifications.
How are the hooks packed for export?
Packed in cartons, then palletized. We can configure the carton count and pallet pattern to match your warehouse or retail requirements. Free storage in Qingdao for up to two months is available.
Need A Quote On G80 High Tensile Hook
Send the sizes, the finish and the quantity on WhatsApp or by email. You get a priced reply within 24 hours and a straight answer on stock.
We reply within 24 hours on WhatsApp or by email. Send a drawing, a photo or a bill of materials and we will quote it as it stands.