High Hardness High Chrome Cast Iron Lining Board Vertical Mill Liner

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High Hardness High Chrome Cast Iron Lining Board Vertical Mill Liner

High Hardness High Chrome cast iron Lining Board Vertical Mill Liner are critical, highly wear-resistant components designed specifically for large-scale vertical mills. Manufactured from high-chromium alloy cast iron—with optimized alloy composition and heat treatment processes—these liners exhibit exceptional hardness, wear resistance, and impact toughness. The liner surface features a high-hardness wear-resistant layer that effectively withstands prolonged material erosion, compression, and abrasion, thereby extending the equipment's service life and reducing the frequency of replacements.

These products are widely used in vertical milling equipment across industries such as cement, mining, power generation, metallurgy, and non-metallic mineral processing. They primarily serve to protect the mill shell and grinding zone, enhancing the equipment's operational longevity. The high-chromium cast iron material ensures stable performance even under continuous, high-load, and high-intensity operating conditions, making it particularly suitable for grinding hard materials such as slag, cement clinker, pulverized coal, and iron ore.

Produced via precision casting, these liners can be custom-designed to fit specific vertical mill models, with customizable dimensions, structural configurations, mounting hole layouts, and surface profiles. An optimized structural design enhances grinding efficiency, reduces energy consumption, and improves the overall operational stability of the mill.

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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 Shell liner, head liner in ≤Φ5m mill, vertical mill liner ≥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

Application Areas:
Cement clinker vertical mills;
Slag vertical mills;
Pulverized coal vertical mills;
Metal ore grinding production lines;
Non-metallic mineral processing equipment.

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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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