Workers at Glencore Plc's Australian copper refinery are preparing to strike starting Friday after negotiations over pay broke down. The industrial action threatens to disrupt operations at one of Australia's key copper processing facilities, potentially impacting the company's production capacity and global supply chains.

Pay disputes have become increasingly common in the mining and refining sector as workers push for higher wages amid rising inflation and cost-of-living pressures. The timing of this threatened strike could not be worse for Glencore, which is already navigating volatile commodity markets and supply chain challenges. A prolonged work stoppage could force the company to reduce output or even temporarily close the refinery.

The dispute highlights the growing tension between resource companies and labor unions in Australia's mining heartland. For Glencore, the stakes are particularly high given copper's critical role in the global energy transition. Any significant disruption to production could reverberate through markets already grappling with supply constraints.