Grade 80 Chain Specifications

Chain grades for overhead lifting g80 g100 or g120.

Grade 80 chain specifications.

Currently alloy chain of grade 80 or grade 100 should be used for overhead lifting. Our grade 80 bulk chain is european made by kwb a pewag company. Crosby spectrum 8 alloy chain crosby spectrum 8 alloy chain hooks. There are no minimum.

Any lower grade chain should not be used. Peerless grade 80 chain meets the latest guidelines of the national association of chain manufacturers nacm and astm a391 a391m. So grade 80 is really 800 and grade 120 is 1 200. Our selection includes full drums of grade 80 chain half drums of chain and cut grade 80 chain by the foot as well as tie down assemblies.

You could reverse this formula to determine ultimate breaking strength if all you know if the chain grade. Grade 80 alloy chain. Newer and stronger still is grade 120 chain. Determining chain working load limits.

Quenched and tempered before proof testing grade 80 chain specs have tensile strength twice of ordinary steel chain. Chain grades advertised by manufacturers are one tenth of the actual mathematical grades. G80 alloy chain is rugged versatile high strength low weight chain. The astm states that alloy chain shall be able to elongate a minimum of 20 before fracture.

Crosby s 314a clevis sling hook w integrated latch crosby s 314a clevis sling hook w integrated latch crosby s 315a eye sling hook w integrated latch crosby s 315a eye sling hook w integrated latch. That number is the chain grade.