1. Transmission Chains
Stainless Steel Dry
Stainless Steel in Water
RS Carbon Steel Chain
Figure 1.13 Use of Stainless and Standard Chain in Water
When chains are cycled between the freezer and room temperature, dew forms and freezes on the chains. This may cause noise, difficult articulation, and chain breakage. Silicon grease applied to the gaps of the chain helps to prevent this. When SS Roller Chains are used at temperatures greater than 400˚C, extra clearance in the chain joints is required. The thermal expansion may cause the joints to seize and the chain to break. Advise the manufacturer of the operat- ing temperature(s) in which the chain will be used. You can extend the working life of SS Roller Chains with proper lubrication. The chains should be lubricated as much as possible when the application allows it. Application Series Other corrosion-resistant stainless steel chains are shown below. For condi- tions and size availability, check the manufacturer’s catalog. NS Series All parts are made of austenitic stainless steel SS316. The composition of this material is: Carbon (C): less than 0.08% Chromium (Cr): 16.00 to 18.00% Nickel (Ni): 10.00 to 14.00% Molybdenum (Mo): 2.00 to 3.00% NS series chains cost more than SS Roller Chains but have greater resistance to corrosion and heat. When the chains are used in temperatures above 400˚C, contact the manufacturer. The allowable tension is the same as SS Roller Chains. These chains are considered almost nonmagnetic.
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