Wear Plates used in mining applications must simultaneously withstand abrasion and resist impact. The materials traditionally used for hardfacing either cannot address both requirements adequately, or are extremely expensive. That’s why more and more manufacturers rely on Oerlikon Metco’s unique welding hardfacing alloys.
Heavy-Duty Ready with the First Layer
Oerlikon Metco’s newly developed materials are designed to solve the challenges faced by wear plate and mining equipment manufacturers, and companies serving this demanding sector.
Innovative Materials that Provide Value by Saving Time
Your Challenge: While current tungsten carbide (WC) solutions meet the requirements for abrasion resistance, they cannot tolerate the extreme impact stress and are very costly. Chromium carbide overlays (CCO), while low in material cost, does not provide adequate abrasion resistance and offers very low impact resistance. Just as important, CCO deposits are not designed to deal with the high dilution rates that occur using the GMAW or BMAW processes. Therefore, up to three layers of CCO, deposited at a thickness of 5 to 7 mm (0.20 to 0.28 in) per layer, are needed to achieve the best performance that CCO can offer — which does not fully satisfy the performance requirements.
Therefore, manufacturers today mostly rely on quench and tempered wear plates. Although inexpensive, these provide good impact resistance, but only minimal abrasion resistance. To achieve the desired abrasion resistance, the plate has to be extremely thick, which reduces equipment performance as a result of the increased weight. In turn, this results not only in higher fuel consumption, but also increases wear on operational components and reduces their service life.
Our Solution: In comparison, Oerlikon Metco’s materials, deposited using the same processes, need only one layer deposited at 5 to 10 mm (0.20 to 0.40 in) thick to provide a hardface overlay that meets the needs for both abrasion and impact resistance.
Oerlikon Metco’s innovative materials provide value by saving time in processing, combined with the reduction in material needed to achieve a superior overlay, making it a far more cost-effective solution than either WC or CCO overlays.
Key GMAW Materials
Key PTA Laser Materials