Grade 70 chain is embossed using a 7 70 or 700.
Grade 70 chain weight rating.
We also added information on the grade 30 chain and grade 43 chain.
Which chain grade should be used for which type of application.
The sum of the working load limits from all tie downs must be at least 50 of the weight of the cargo.
Boasting heavy duty welded construction the high quality chain s yellow zinc finish offers lasting weather resistance.
If the working load limit of the tightening device is less than the tie down chain the working load limit will be reduced to the lower value.
Product length 20 ft.
Grade 80 alloy chain is heat treated making it safe and rated for overhead lifting.
It includes clevis grab hooks at each end.
It is not rated safe for overhead lifting.
Astm states that alloy chain shall.
G70 binder chains are also referred to as tow chains or transport chains spectrum 7 or system7.
The links of the chain are formed from low carbon steel wire and the size of the link is actually referring to the size of the wire that was used.
Grade 43 aka grade 40 has higher tensile strength and abrasion resistance and comes with a higher price tag.
Grade 70 material steel maximum working load lbs 4700 lbs.
Grade 70 chain typically has a 20 higher working load limit than high test chain or grade 43 chain.
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.
The chain is subjected to a more profound heat treatment which produces a very strong and yet very light chain link.
Calculating the minimum number of tie downs depends on the length weight and type of cargo.
Sku s 60667 40461 97712 brand haul master chain size 5 16 in.
Grade 70 tow chain is a high strength carbon steel chain that is ideal for securing cargo recovering vehicles and removing tree stumps.
Alloy chain grade 80 or grade 100 should be used for overhead lifting.
Beaver grade l anchor chain 11 beaver trailer safety chain 12 beaver grade 50 stainless steel lifting chain pewag 13 beaver grade 70 transport chain 14 beaver grade 80 t lifting chain b alloy 15 beaver grade 80 fishing line chain 16 beaver grade 100 lifting chain pewag weissenfels 17.
With galvanized chain it basically boils down to how much carbon is in the steel.
The chain s working load limit will have to be of sufficient strength to support the weight of the load plus any additional forces imposed by angles and hitch type s used.
While we don t sell these chain grades on our website you can always call in to order them.
Grade 7 and grade 70 chain are the eventual evolution of grade 4 40 and 43 chain.
The higher the grade the greater the break strength.
