Conveyor Drag Chain from Columbia Steel Casting Co., Inc.

Columbia Alloys are matched to the temperature reached by the drag chain in service. For lower temperature service, where the chain is heated to no more than 550° F, we recommend our H39 high strength alloy steel. This alloy is especially effective with our Xtend Process® overlay, in which a layer of high chromium white iron is applied to high wear areas. The Xtend Process overlay achieves a hardness of 700 HB, making it extremely abrasion resistant.

For higher temperatures, where the chain reaches between 550° F and 1100° F, experience has shown that our manganese steel is the best alloy choice. A layer of our high chromium carbide hardfacing can be applied to high wear areas of the manganese chain to increase wear life.

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