We turned one our most popular posts what are the differences between grade 70 chain grade 80 chain grade 100 chain and grade 120 chain into a simple chart for quick and easy chain grade comparison.
Grade 80 chain capacity chart.
Due to the one leg always being a balancing leg.
Newer and stronger still is grade 120 chain.
Ensure that the load is evenly distributed on all sling legs.
The true capacity would actually be 39 000 lbs.
We also added information on the grade 30 chain and grade 43 chain.
Considered premium quality chain it offers about a 25 higher work load limit over grade 80 chain.
The astm states that alloy chain shall be able to elongate a minimum of 20 before fracture.
Any lower grade chain should not be used.
It s also commonly used as a heavy duty tow chain.
All other grade 30 43 70 80 and 100 chains shall be embossed at.
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.
Store grade 80 chain slings on a frames or wall racks in a clean dry place.
It is safe for overhead.
Alloy grade 80t chain slings to a s.
Working load limit chart.
Using the same 1 2 grade 100 alloy chain in a double leg configuration with a capacity of 26 000 lbs.
Lightly oil grade 80 chain slings before prolonged storage.
Chain grades for overhead lifting g80 g100 or g120.
Please refer to osha 1910 184 asme b30 9 asme b30 10 for information regarding the proper usage of grade 80 grade 100 chain.
Nobles grade 80 chain is manufactured from high quality high tensile alloy steel and is hardened and tempered to produce a chain with a load bearing capacity in excess of three times that of mild steel chain.
Currently alloy chain of grade 80 or grade 100 should be used for overhead lifting.
Grade 80 alloy chain is heat treated making it safe and rated for overhead lifting.
At 60 degrees conventional thinking is to double the capacity to 52 000 lbs.
Peerless industrial group grade 80 grade 100 chain is manufactured according to nacm astm speciications.
Always inspect chain sling before use to ensure it is free from damage or wear.
Never heat treat grade 80 chain slings.
This chain complies with the mechanical properties and testing requirements of as 2321 for lifting chains.
While we don t sell these chain grades on our website you can always call in to order them.
Grade 80 chain is embossed using an 8 80 or 800.
