What Is a GR80 Chain?

A GR80 chain (also known as Grade 80 lifting chain) is a high-strength alloy steel chain specifically designed for overhead lifting and rigging applications. It is manufactured from quenched and tempered alloy steel, providing superior tensile strength, fatigue resistance, and safety compared to standard industrial chains.

Because of its performance and reliability, the GR80 chain is widely used in cranes, chain slings, heavy machinery lifting, and construction projects worldwide.

Key Technical Specifications of GR80 Chain

Material: Alloy steel (quenched & tempered)

Grade: Grade 80 (GR80 / G80)

Safety Factor: 4:1 (minimum)

Standard Compliance: EN 818-2 / ASME B30.9 / NACM 96

Surface Finish: Black painted, self-color, powder coated

Temperature Range: -40°C to +200°C

These specifications make GR80 chains ideal for heavy chains for lifting where safety and durability are critical.

GR80 Chain Load Capacity (Overview)

The working load limit (WLL) of a GR80 chain depends on chain diameter:

6 mm G80 chain – approx. 1.12 ton

8 mm G80 chain – approx. 2.0 ton

10 mm G80 chain – approx. 3.15 ton

13 mm G80 chain – approx. 5.3 ton

16 mm G80 chain – approx. 8.0 ton

This wide capacity range allows GR80 chains to be used in both light and heavy lifting operations.

GR80 Chain with Grab Hooks for Lifting

One of the most common assemblies is a GR80 chain with grab hooks lifting configuration.

Advantages of Grab Hooks on GR80 Chain

Allows chain length adjustment without cutting the chain

Provides secure engagement with chain links

Ideal for adjustable chain slings and load positioning

Compatible with clevis grab hooks and latching grab hooks

A GR80 chain sling with grab hooks is widely used in construction, steel fabrication, and machinery installation.

Heavy Chains for Lifting: Why Choose GR80?

When selecting heavy chains for lifting, GR80 chains offer several advantages:

✅ Higher strength than Grade 43 or Grade 70 chains

✅ Approved for overhead lifting (unlike transport chains)

✅ Excellent fatigue resistance under cyclic loads

✅ Compatible with certified lifting components (hooks, links, shackles)

For professional lifting applications, GR80 chains are the industry standard.

Typical Applications of GR80 Chain

Crane lifting systems

Chain slings (single, double, four leg)

Heavy equipment installation

Shipyards and offshore lifting

Mining and quarry operations

Structural steel erection

Wherever safe overhead lifting is required, GR80 chain is the preferred solution.

GR80 Chain vs Other Lifting Chains

Choosing a Reliable GR80 Chain Manufacturer

When sourcing a GR80 chain, always ensure:

EN 818 / ASME compliance

Proof load testing for each batch

Traceability markings on chain links

Compatibility with certified grab hooks and fittings

Support for custom chain sling assemblies

A professional manufacturer ensures long service life and maximum safety.

Conclusion

The GR80 chain is a critical component in modern lifting and rigging systems. With high tensile strength, certified performance, and compatibility with grab hooks lifting assemblies and heavy chains for lifting, it remains one of the most trusted solutions in industrial lifting.

By selecting a certified GR80 chain from a reliable supplier, you ensure safety, efficiency, and compliance in every lifting operation.