Binder Chain and chain binder are heavy duty tie down equipment , both chains and binders are made of carbon steel, their working load limits are higher than their straps counterparts , if we compare 5/16” grade 70 chain(typical WLL 4700lbs)to 2 inch tie down straps with WLL 3333lbs , 3/8” chain(WLL 6600lbs) to 4” tie downs(5400lbs) , you will see that compare to tie down straps, binder chains are much stronger, and chain binders are even stronger than same size chains, for instance, 5/16”-3/8” binder has WLL 5400lbs which is stronger than 4700lbs WLL of 5/16” grade 70 chain . If we examine the design factor of chains and tie down straps, we will see that chains and binders have 4:1 design factor while tie down straps have design factor 3:1, that’s another reason we consider chains and binders are heavy duty tie downs .
The National Association of Chain Manufacturer recommends that the steel which can be used to make grade 70 binder chains must have less than 0.35% Carbon, 0.040% Phosphorous and 0.050% Sulfur. When the material meets NACM recommendation, the manufacturing process are under strict quality control, and the final products meet or exceed DOT requirements, you can put the chains and binders on your 18 wheeler and haul away .
To tie down big rigs such as forklift, bulldozer is what we use grade 70 transport chains and binders for, tie down straps have no chance against these tough guys, the only choice is binder chains and binders , the most popular chain size for these kind of load are 3/8”, for some light equipment which is still too heavy and hard for straps 5/16” will be ideal chain size. 1/2” and up are mostly for really heavy stuff, for example, military applications, say to tie down battle tanks, you will definitely need 1/2” even 5/8” grade 70 chains to tie those bad boys down. Check out trucker’s deal or running tire for more information on chains, binders and other truck tie downs, such as ratchet straps and e track systems.
Tags: chain binders, grade 70 chains, load binders, steel chain, tie down chains, transport chains
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