High-Alloy Mill Liners for Copper Mine, Zambia

Application

φ8.5*4.27m SAG Mill, Chambishi Copper Mine, Zambia

Challenge

Original Cr-Mo liners only lasted 92 days, frequent shutdowns hurt production efficiency.

Solution

High-alloy forged mill liners, multi-alloy composition & controlled forging. Hardness HRC55-58, excellent impact fatigue resistance.

Results

Service life extended to 131 days, +42%
Mill throughput improved significantly
Annual cost saved: USD 720,000

Feedback

Much better performance than local brands. Full-set annual contract signed.