Grade 100 chains are also referred to as grade 10 system 10 spectrum 10.
Grade 80 chain dimensions.
Never exceed working load limits grade 80 alloy is approved for overhead lifting.
Chain grades advertised by manufacturers are one tenth of the actual mathematical grades.
There are no minimum.
Alloy chain grade 80 or grade 100 should be used for overhead lifting.
This allows you to reduce the size of the chain depending on the working load needed.
1 2 grade 80 alloy chain per foot 4 2 out of 5 stars 3 b a products g8 3815tl grab hook with twist lock each end 3 8 grade 80 chain x 15 4 height 6 75 width 17 length.
To ensure that alloy chain consistently meets this requirement astm requires the use of certain alloying elements in the manufacturing of the steel for alloy steel chain.
Astm states that alloy chain shall be able to elongate a minimum of 20 before fracture 7 3 5.
Lacled alloy chain and attachments offer a design strength and elongation surpassing the national association of chain manufacturers nacm specifications as shown in the following charts.
Grade 100 chain has a 20 percent increase in working load limit as compared to a similar size chain in grade 80.
G80 alloy chain is rugged versatile high strength low weight chain.
Grade 100 chain is a premium quality high strength alloy steel.
Grade 80 alloy chain.
Crosby spectrum 8 alloy chain crosby spectrum 8 alloy chain hooks.
That number is the chain grade.
Both full half drums are painted black.
Quenched and tempered before proof testing grade 80 chain specs have tensile strength twice of ordinary steel chain.
Our grade 80 bulk chain is european made by kwb a pewag company.
Only grades 80 100 or 120 should be used for overhead lifting.
Laclede alloy grade 80 100 chain and attachments are produced to exceed the rigorous requirements of overhead lifting.
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.
It s tested throughout the manufacturing process and meets and exceeds the specifications of nacm astm and osha.
All other grade 30 43 70 80 and 100 chains shall be embossed at.
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.
Painted shot blast self colored full drums of 3 4 7 8 and 1 are packaged in steel drums.
Nacm welded steel chain specifications adopted april 26 2003 6 8 1 1 5 16 8 7 mm and 3 8 10 mm grade 43 and 70 chain shall be embossed at intervals no greater than 1 ft.
You could reverse this formula to determine ultimate breaking strength if all you know if the chain grade.
So grade 80 is really 800 and grade 120 is 1 200.
Peerless grade 80 chain meets the latest guidelines of the national association of chain manufacturers nacm and astm a391 a391m.
