Overlay Plate Provides High Performance in Sliding-wear Applications.
SSAB said its new Duroxite 200 overlay plate saves money and improves productivity in a wide range of applications through higher output and less maintenance. Offering a high proportion of extremely hard multiple alloy complex carbides deposited on a mild-steel backing plate, Duroxite 200 will last much longer than common chromium carbide overlay (CCO) products, according to the company. It noted that Duroxite 200 is particularly suitable for preventing sliding wear where abrasive materials require extremely hard surfaces.
Duroxite 200 overlay plate is delivered with an overlay thickness guaranteed to within [+ or -]10%. This, said SSAB, is consistent throughout the material and between individual plates. The wear properties of Duroxite 200 are also guaranteed throughout the overlay down to 75% of the overlay thickness. The remaining 25% of overlay is the transition layer necessary to maintain good bonding to the backing plate.
Using Duroxite 200 instead of other CCO products in sliding wear applications will result in a much longer service life, according to SSAB. Depending on the abrasive material, the relative service life can be increased three to four times. These numbers were confirmed by calculations with SSAB's WearCalc software, according to the company.
Technical specifications for Duroxite 200 include carbide hardness of 2,5003,000 HK, volume fraction of primary carbides is 30-50%, and a bulk hardness of 60-65 HRC. SSAB said it is the only supplier that guarantees a maximum weight loss for overlay products according to the ASTM G65-Procedure A test.
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|Title Annotation:||PROCESSING SOLUTIONS|
|Publication:||E&MJ - Engineering & Mining Journal|
|Date:||Mar 1, 2019|
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