Grade 80 Chain Capacity Chart

Never heat treat grade 80 chain slings.
Grade 80 chain capacity chart. Grade 80 alloy chain is heat treated making it safe and rated for overhead lifting. It s also commonly used as a heavy duty tow chain. It is safe for overhead. Peerless industrial group grade 80 grade 100 chain is manufactured according to nacm astm speciications.
This chain complies with the mechanical properties and testing requirements of as 2321 for lifting chains. Lightly oil grade 80 chain slings before prolonged storage. Alloy grade 80t chain slings to a s. Using the same 1 2 grade 100 alloy chain in a double leg configuration with a capacity of 26 000 lbs.
All other grade 30 43 70 80 and 100 chains shall be embossed at. Considered premium quality chain it offers about a 25 higher work load limit over grade 80 chain. Grade 30 grade 43 grade 70 grade 80 grade 100 grade 120 tie down load securement printed wall charts available call toll free for details 866 392 2829 or contact us. Newer and stronger still is grade 120 chain.
Chain single leg slings slings of 2 3 or 4 legs 2 leg slings. Please refer to osha 1910 184 asme b30 9 asme b30 10 for information regarding the proper usage of grade 80 grade 100 chain. 3775 2 2014 safety factor of 4 the values expressed on this table exceed or meet the minimum requirements of as3775 2 2014 and are stated in tonnes. The astm states that alloy chain shall be able to elongate a minimum of 20 before fracture.
The true capacity would actually be 39 000 lbs. Chain grades for overhead lifting g80 g100 or g120. Any lower grade chain should not be used. At 60 degrees conventional thinking is to double the capacity to 52 000 lbs.
We also added information on the grade 30 chain and grade 43 chain. While we don t sell these chain grades on our website you can always call in to order them. 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. 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.
Always inspect chain sling before use to ensure it is free from damage or wear. Grade 80 chain is embossed using an 8 80 or 800. Working load limit chart. Ensure that the load is evenly distributed on all sling legs.
Currently alloy chain of grade 80 or grade 100 should be used for overhead lifting.