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Custom Casting of High-Chromium Cast Iron Mill Liners: Superior Wear & Impact Resistance for Grindin
As core wear parts for grinding mills, we offer high-chromium cast iron liners and diaphragms in BTMCr15 and BTMCr26 grades. Using medium-frequency induction melting and precision heat treatment, we ensure a dense matrix structure with hardness stably maintained between HRC58-64. For large ball mills, our casting process specifically optimizes carbide distribution, achieving wear resistance more than three times that of traditional high-manganese steel. We provide one-stop services from casting and heat treatment to precision machining. With extensive experience in custom manufacturing based on drawings for large steel castings weighing ≥5 tons, we handle complex structures such as crusher housing door frames and roll covers. We strictly control sulfur and phosphorus content and conduct ultrasonic and magnetic particle inspection (meeting Level 2 standard), ensuring that components do not crack or deform under high-wear conditions in mining, cement, and power industries, guaranteeing long-term continuous equipment operation.
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