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Bucket Elevator Link Chain ends
National Engineering Works manufactures High Tensile Calibrated Round Link Chain Ends for Bucket Elevators. These Bucket Elevator Link Chains are specially double depth case hardened to withstand continuous corrosion owing to handling of abrasive particles. High Tensile Round Link Chains for Bucket Elevator (as per DIN 764/ DIN 766 & IS 3948:1986 ) are manufactured from premium grade refined Ni-Cr-Mo Alloy and Mn Alloy Steel. These chains are gas carburized to a case depth of 0.02 mm ensuring uniform surface hardness and double quenched and tempered and core refined to achieve surface hardness of 57 – 60 HRC. These chains are homogeneously heat-treated in the interlink areas to achieve proof strength of almost 100 N/mm². These highly wear and abrasion resistant chains are calibrated and supplied in matched pairs maintaining accurate dimensional tolerances and occasionally smeared with protective coating for anti corrosion resistance. Corresponding Chain Bows ( U-Links/ U Bolts/ Bucket Links ) as per IS 10131:1992 & DIN 745/DIN 5699 for Bucket Elevator are manufactured from fine grained carbon steel in close die by drop forging method. The interlink wearing portion at the crown of the shackle is specially heat-treated to a hardness of 55-57 HRC to a case depth of 0.1 mm. The U Links and Chain Shackles are supplied with carbon steel distance plate, hex nuts and spring washers.