How to Choose the Right Lifting Chain Grade?
Chain grade is the number that tells you how strong a lifting chain is. Choosing the wrong grade means either an unsafe lift or wasted money on capacity you do not need. This guide explains the common chain grades and how to choose.
What Does Chain Grade Mean?
The grade refers to the steel and heat treatment. A higher grade is stronger for the same link size, so it can lift more or use a smaller, lighter chain for the same load. Common grades are G30, G43, G70, G80 and G100.
Common Lifting Chain Grades
G30 proof coil chain: general-purpose, not for overhead lifting.
G43 high-test chain: stronger than G30, used for tie-down and general work.
G70 transport chain: for load securing, not overhead lifting.
G80 alloy chain: the standard for overhead lifting and chain slings.
G100 alloy chain: about 25% stronger than G80, for high-capacity or weight-sensitive lifts.
Chain Grade Comparison
| Grade | Typical Use | Overhead Lifting |
|---|---|---|
| G30 | General purpose | No |
| G43 | Tie-down, general | No |
| G70 | Load securing | No |
| G80 | Lifting and slings | Yes |
| G100 | High-capacity lifting | Yes |
How to Choose
For overhead lifting, choose G80 or G100.
For tie-down and general work, G43 or G70 is usually enough.
Match the chain grade to its hooks, master links and fittings.
Check the WLL, not just the link diameter.
FAQ
Can I lift with G43 chain?
G43 is generally not rated for overhead lifting. Use G80 or G100 for lifting.
Can I mix chain grades?
No. Chain, hooks and fittings must match by grade, or the assembly loses its rated capacity.
Chain Assemblies Built to Grade
SolidLink supplies lifting chain assemblies with matched fittings. Browse our chain assemblies or contact us for a quote.
