Stainless Steel Products - Rainbow Precision Products, Inc.

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S T A I N L E S S S T E E L C O M P A T I B I L I T Y MATERIAL OF COMPONENT PARTS Chain Link Series Plate Pin Bushing Roller 400 (CS) AISI430 AISI304 AISI304 AISI304 304 (SS) AISI304 AISI304 AISI304 AISI304 316 (NS) AISI316 AISI316 AISI316 AISI316 600 (AS) AISI304 Special ASTM631-HT ASTM631-HT 13-7PH* 17-7PH* 17-7PH*† or 17-7PH* * PH: Precipitation-Hardened The corrosion resistance of special 13-7 PH is equal to that of 17-7 PH. † On double pitch oversized rollers, the roller material will be AISI304. STAINLESS STEEL CHAIN SELECTION General selection is based on bearing pressure between the pin and bushing. Anti-corrosive roller chains are normally intended to be used at slow speeds without lubrication. Chain selection should be made based on the bearing pressure shown below. Maximum Allowable Bearing Maximum Chain Pressure between Suggested Series Pin and Bushing Operating Speed 400 (CS) 1,420 psi 230 ft/min 304 (SS) 1,420 psi 230 ft/min 316 (NS) 1,420 psi 230 ft/min 600 (AS) 2,130 psi 230 ft/min PERFORMANCE OF ANTI-CORROSIVE CHAINS Chain Corrosion Temperature Wear Series Resistance Resistance Magnetism Resistance 400 (CS) Good for -4˚F to 750˚F Magnetic Fair general chemicals, but less resistant than SS for acids Chain selection can be made using the following formula: Max. Chain Service Speed Temperature Maximum X X X ≤ Tension Factor Coefficient Factor Allowable Load Maximum allowable load or maximum bearing pressure as shown above can be doubled only when chain is used in group 1 of the “Corrosion Resistance Guide” and properly lubricated. Vibrations arising from ultrasonic waves, etc., must also be taken into consideration. 304 (SS) Good for -40˚F to 750˚F Slightly Fair general acid, (Never use magnetic due alkali and below -270˚F to cold water or over forming 1300˚F) of parts 316 (NS) Superior to -40˚F to 750˚F Non-magnetic Fair SS and AS (Never use below -420˚F or over 1500˚F) 600 (AS) Slightly -40˚F to 750˚F Magnetic Very less than (Never use Good above below -40˚F or over 930˚F) 10
SERVICE FACTOR MAXIMUM ALLOWABLE LOAD Type of Impact Service Factor Calculate the chain’s maximum allowable load with this formula: Smooth transmission 1.0 Transmission with some impact 1.3 Transmission with large impact 1.5 Max. allowable Bearing area Maximum bearing X between pin = allowable pressure and bushing load SPEED COEFFICIENT Chain No. CS Series SS Series NS Series AS Series Chain Speed Speed Coefficient 0 to 50 ft/min 1.0 50 to 100 ft/min 1.2 100 to 160 ft/min 1.4 160 to 230 ft/min 1.6 TEMPERATURE FACTOR RS25 - 26 - - RS35 59 59 59 91 RS40 100 100 100 155 RS50 154 154 154 230 RS60 231 231 231 350 RS80 395 395 395 590 RS100 - 573 573 855 Note: All units are in pounds. Temperature CS Series SS Series NS Series AS Series ~ -270˚F X X X X -270˚F ~ -40˚F X 1.0 1.0 X -40˚F ~ 750˚F 1.0* 1.0 1.0 1.0 750˚F ~ 930˚F X 1.2 1.0 1.8 930˚F ~ 1,100˚F X 1.5 1.2 X 1,100˚F ~ 1,300˚F X 1.8 1.5 X 1,300˚F ~ 1,500˚F X X 2.0 X 1,500˚F ~ X X X X X means not suggested. Consult with U.S. Tsubaki. *CS Series temperature range -4˚F ~ 750˚F 11
Page 1 and 2: U.S. Tsubaki, Inc. Roller Chain Div
Page 3 and 4: C O N T E N T S Roller Chains 2-6 R
Page 5 and 6: RS ROLLER CHAIN RS STAINLESS STEEL
Page 7 and 8: RS DOUBLE PITCH ROLLER CHAIN RS DOU
Page 9 and 10: S T A I N L E S S S T E E L A T T A
Page 11: DOUBLE PITCH STAINLESS STEEL ATTACH
Page 15 and 16: NO. 35 SPROCKET— 3/8” PITCH NO.
Page 17 and 18: NO. 50 SPROCKET— 5/8” PITCH NO.
Page 19 and 20: NO. 80 SPROCKET— 1” PITCH NO. 8
Page 21 and 22: POWER-LOCK ® SPECIFICATIONS Contac
Page 23 and 24: Temperature Substance Concentration

Stainless Steel Products - Rainbow Precision Products, Inc.

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