Applications
Prelubricated Stainless Steel Chain
Completely Dry Stainless Steel Chain
Poly-Steel Chain
Operation Time
Figure 1.15 Stainless Steel Chain Versus Poly-Steel Chain
Selection and Handling (1) One of the advantages of Stainless Steel Drive Chain is its high ratio between tensile strength and maximum allowable tension. Even if tension is high at the moment of starting, it will not break if the start-up is infrequent. The ratio between tensile strength and maximum allowable tension for Poly-Steel Chain, however, is low. There is a huge difference in the Young’s ratio between steel and plastic. Almost all of the shock load is absorbed by the engineered plastic inner link. This means you need to take care when selecting Poly-Steel Chain. If Poly-Steel Chain is selected the same way as standard chain, breakage may occur. When selecting Poly-Steel Chain, the maximum tension— including inertia shock—must be considered to get satisfactory results. (2) These chains are suitable for splash applications, but they should not be submerged in water or other liquids. The ideal environment is indoors where rusting must be avoided. (3) The allowable tension of this series is almost the same as Stainless Steel Roller Chains (SS series.) (4) An offset link is not available for Poly-Steel Chain. An even number of links must be used. Application Series: PC-SY Because of the titanium outer links and special engineered plastic inner links, SY series chains do not corrode in most chemicals, including hydrochlo- ric and sulfuric acid. The allowable tension is about half that of Poly-Steel Chains. This is a nonmagnetic type of chain. Technical Trend Manufacturers are working to increase both the tensile strength and the maximum allowable tension.
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