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.
Grade 100 chain specifications.
The grade number used by manufacturers is an indicator toward the ultimate break strength of chain.
Grade 100 chain has a 20 percent increase in working load limit as compared to a similar size chain in grade 80.
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.
The astm states that alloy chain shall be able to elongate a minimum of 20 before fracture.
Grade 100 chains are also referred to as grade 10 system 10 spectrum 10.
Similar to the grade 80 chain grade 100 chain is commonly used for overhead lifting applications because of its excellent energy absorption properties however grade 100 chain has the greatest strength to weight ratio of the alloy chains.
Grade 100 chains are available in drums half drums and lengths by the foot.
Our grade 100 chain is european made by kwb a pewag company and meets and exceeds the specifications of nacm astm and osha and approved for overhead lifting.
The higher the grade the greater the break strength.
Grade 100 chain specs have tensile strength 2x ordinary steel greatest strength to weight ratio meet existing osha nacm astm guidelines.
This allows you to reduce the size of the chain depending on the working load needed.
Peerless chain manufactures grade 100 alloy chain used in overhead lifting.
While we don t sell these chain grades on our website you can always call in to order them.
Chain grades for overhead lifting g80 g100 or g120.
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.
Astm states that alloy chain shall be able to elongate a minimum of 20 before fracture 7 3 5.
Crosby spectrum 10 alloy chain crosby spectrum 10 alloy chain chain connectors.
Any lower grade chain should not be used.
Newer and stronger still is grade 120 chain.
All other grade 30 43 70 80 and 100 chains shall be embossed at.
We also offer a variety of grade 100 assemblies grade 100 fittings and grade 100 lifting chain.
With galvanized chain it basically boils down to how much carbon is in the steel.
Grade refers to the tensile strength of the metal.
Peerless grade 100 chain for sale.
Currently alloy chain of grade 80 or grade 100 should be used for overhead lifting.
Crosby a 1337 lok a loy grade 100 connecting links crosby a 1337 lok a loy grade 100 connecting links crosby s 1325a grade 100 chain couplers crosby s 1325a grade 100 chain couplers crosby eliminator.
Grade 100 chain is a premium quality high strength alloy steel.
Grade 30 aka proof coil has less carbon and.