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Corrosion Resistant Roller Chains

Cold Resistant Roller Chains

These chains can be used in lower temperatures than RS Roller Chains yet deliver the same allowable load (when using an F-type
connecting link). Expect a 20% reduction in strength when using an M-type connecting link. They can be used in temperatures of —40 to 60ßC.

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Low Noise Roller Chains

These chains emit 6 to 8 dB less noise than pre-lubed RS Roller Chains (in-house comparison testing). They can be used in temperatures of —10 to 60ßC.

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Poly Steel Chains

PC (Standard Specification)

The pins and outer plates of these chains are made of SUS304 (SUS301 clips), while the inner
plates are of engineered plastic (white). They are lube-free, low noise (5 dB less than RS Roller
Chains) and lightweight (50% of RS Roller Chains). They can be used in temperatures of —10 to
80ßC. For details on corrosion resistance selection

PC-SY (Super Chemical Resistance Specification)

The pins and outer plates of these chains are made of titanium, while the inner plates are of a
special engineered plastic (matte white); therefore they are suited for applications in which PC
Chains have insufficient corrosion resistance. They can be used in temperatures of —10 to 80ßC. For
details on corrosion resistance selection, see pg. 148. Bear in mind when making your selection that
maximum allowable load is about 60% that of PC Chains.


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Titanium Roller Chains

Titanium chains are non-magnetic and offer high corrosion resistance. These
chains can be used in temperatures of —20 to 400ßC.

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Surface Treated Roller Chains

NP Specification

These chains are RS Roller Chains with nickel plating. The nickel plating not only improves
appearance, but also adds a small degree of corrosion resistance. Therefore, they can be used in
applications where there is exposure to water. Bear in mind when making your selection that
maximum allowable load is approx. 15% lower than with RS Roller Chains.

NEP Specification

Pins are treated with a non-strength degrading surface treatment to protect against pitting corrosion
that leads to fatigue breakage, making it highly effective in environments that readily promote
corrosion, such as outdoor or coastal applications.


APP Specification

The pins and rollers of these roller chains are made of precipitation-hardened, tempered stainless
steel, while the plates and bushes are 18-8SUS (SUS304 clips are 17-7SUS (SUS301)). They have
a maximum allowable load that is 1.5 times that of SS chains. Corrosion resistance is slightly less
than that of SS chains. AS chains are suited for applications that require corrosion resistance, heat
resistance, and smaller sizes / higher kilowatt ratings than SS chains. Because of its precipitationhardened
stainless steel, the chains are magnetic.


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Stainless Steel Roller Chains

SS Specification

These roller chains are made of SUS304 (SUS301 clips). They offer greater corrosion resistance
than RS Roller Chains and RS Surface Treated Roller Chains, and can be used in water and in
corrosive atmospheres that are acidic or alkaline, as well as in low or high temperatures (-20 to
400ßC). SUS304 is only marginally magnetic. Some magnetism exists only due to the cold-forging
process.


NS Specification

Tsubaki_Tsubaki_Lambda-ChainThese roller chains are made of SUS316 (SUS301 clips on RS25NS, and SUS304 cotter pins on
RS80NS). They are suited for applications that require higher corrosion resistance than SS chains.
Except for the clips, they are non-magnetic.



AS Specification

Tsubaki_Tsubaki_Lambda-ChainThe pins and rollers of these roller chains are made of precipitation-hardened, tempered stainless
steel, while the plates and bushes are 18-8SUS (SUS304 clips are 17-7SUS (SUS301)). They have
a maximum allowable load that is 1.5 times that of SS chains. Corrosion resistance is slightly less
than that of SS chains. AS chains are suited for applications that require corrosion resistance, heat
resistance, and smaller sizes / higher kilowatt ratings than SS chains. Because of its precipitationhardened
stainless steel, the chains are magnetic.


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