According to the safety standards established by lots of regularity authorities, there has to be a regulation to use a chain grade for a specific application.
What are chain grades?
Best suited grades for different applications
The most common chain slings are made from G80 alloy steel which works best for overhead lifting applications. If you are purchasing your chain slings from a reliable manufacturer that adheres to the set industry standards, the product must be manufactured by using industry approved alloying elements to develop the steel alloy for the chain.
Other most common grade is G70, which is made from heat treated steel and lack the alloying element. You can invest in G70 chain for lashing and tie down operations in transportations. Keep in mind that this grade may elongate before breaking, but the lack of the alloying elements makes it inappropriate for overhead lifting.
When you are lifting a load off the ground, it is important to keep the workload limit in mind. Therefore, always buy chain slings & fittings that are made from G80 alloy steel and have sufficient strength to support the weight of the load. You can find lots of manufacturers in the industry offering quality compliant grades in chain slings. For instance, Dutest is the widely recognized entity providing single and multi-leg formats of G80 chain slings, browse through their collection if you need equipment for overhead lifting applications.