High-Manganese Steel Lining Board For Wet Mining Mills

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High-Manganese Steel Lining Board For Wet Mining Mills

High-manganese steel Lining Board for wet mining mills are manufactured from high-manganese steel alloys and are specifically designed to provide wear protection for equipment such as wet ball mills, rod mills, and autogenous (AG) mills. High-manganese steel exhibits excellent work-hardening properties; under the impact and compressive forces of the ore, the surface hardness continuously increases to form a highly wear-resistant working layer, making it ideal for continuous wet grinding environments in mining operations.

These liners are primarily used in wet mineral processing lines for ores such as iron, copper, gold, nickel, and molybdenum. They effectively protect the mill shell by minimizing wear caused by the ore, aqueous slurry, and grinding media. Compared to standard steel plate liners, high-manganese steel liners offer superior toughness and impact resistance, meeting the demands of heavy-duty, long-duration operation in large-scale mining equipment.

The products are manufactured using advanced casting techniques and are available in various configurations—such as corrugated, stepped, lifter bar, and grate liners—tailored to specific mill models. These designs effectively optimize the trajectory of the grinding media (steel balls), thereby enhancing ore crushing and grinding efficiency.

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Material Name Impact Toughness Service Life Hardness Impact Toughness
High-toughness High-Cr Cast Iron Shell liner, head liner in ≤Φ5m mill, vertical mill liner ≥7 Years HRC≥60 8–10 J/cm²
High-Cr Cast Iron I ≥6 Years HRC≥60 7–9 J/cm²
High-Cr Cast Iron II Shell liner, head liner in ≤Φ4.2m mill ≥5 Years HRC≥58 6–8 J/cm²
High-Cr Cast Steel ≥4 Years HRC≥55 6–9 J/cm²
Cr–Mo–Ni Alloy Steel Shell liner, head liner, diaphragm, grid plate in ≤ Φ5m mill ≥4 Years HRC≥52 ≥40 J/cm²
Medium-carbon multi-component Alloy Steel ≥3 Years HRC≥50 ≥30 J/cm²
Medium-Cr Alloy Steel ≥2 Years HRC≥48 ≥20 J/cm²
Low Alloy Steel ≥1.5 Years HRC≥45 ≥40 J/cm²
Low Carbon High Alloy Steel Mine wet mill shell liner, head liner, grid plate ≥1 Year HRC≥46 ≥50 J/cm²
Blind plate of drying chamber in large-sized raw mill ≥3 Years
High-Mn Steel (Mn13) Mine wet mill shell liner, head liner, grid plate ≥6 months HB≥200 ≥147 J/cm²
Alloyed High-Mn Steel Impact plate, grid plate, jaw plate of all kinds of crushers ≥1 Year HB≥220 ≥120 J/cm²

Applications:
Wet ball mills;
Mining mineral processing mills;
Processing equipment for copper, iron, and gold ores;
Large-scale ore grinding production lines.

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Anhui Ningguo Wanfu New Material Science and Technology Development Co., Ltd. is located at the foot of the Huangshan Mountain -- the capital of wear-resistant materials in China, the provincial high-tech economic and technological development zone, and is a professional manufacturer of wear-resistant materials series products.
Wear-resistant material technology combined with grinding technology as the guide, sets scientific research, design, development, manufacturing, and technical services as one. With a resin sand extrusion model automatic production line, resin sand automatic production line, iron film coated sand casting production line, with no box shape casting production lines, automatic oil quenching heat treatment production line, desktop car and well type heat treatment furnace, shot blasting machine and direct reading spectrometer, chemical analysis instruments, metallurgical microscope, durometer, impact tester, etc. A full set of production and physical and chemical testing equipment...

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