Mining operations encompass some of the most challenging piping environments — concentrated sulfuric acid leaching, abrasive slurry transport, and high-pressure hydrometallurgical processing. Each application demands specific grades from WPB for water circuits to Hastelloy C276 for acid service.
Sulfuric acid heap leaching and pressure oxidation circuits in copper, gold, and uranium mining. Concentrated H₂SO₄ requires Hastelloy C276. Dilute acid service uses SS 316L or duplex. Critical service — material selection errors cause rapid failure.
Ore slurry pipelines are highly abrasive — heavy wall WPB or hardened steel for long-run slurry lines. SS 316L for corrosive slurries (copper concentrate, phosphate). 5D bends preferred over standard elbows for abrasive slurry service.
Mine water treatment, tailings pipeline, and process water circuits. WPB for general water service. LTCS WPL6 for cold climate operations. Duplex for saline mine water.
Underground compressed air, firefighting water, and ventilation circuits. SS 316L for mine service water. WPB for compressed air distribution. Corrosion resistance critical in high-humidity underground environments.
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