10 x 30 grade 80 alloy steel short link chain is used for lifting purpose, can be used in chain hoist, lever hoist or electric chain hoist. It can ba also used as chain sling with master link, hook, connecting link etc.
Chain dimension: 10 x 30mm inside length x 13mm inside width
Chain material: 20Mn2K
Working load limit: 3.15T
Proof load: 78.5KN
Breaking load min: 126KN
Surface treament: polishing, zinc plated or black oxide
Package: 300 meters per drum
https://www.bstlschain.com/high-strength-chain/g80-chain/10-x-30mm-grade-80-alloy-steel-short-link.html