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High Manganese Steel Mill Liner – High Impact Toughness, Work Hardening for Ball Mill & SAG Mill
Product Description
Ningguo Huafeng Wear-Resistant Material Co., Ltd. supplies high manganese steel mill liners for ball mills and SAG mills in mining, cement and thermal power plants. Made of premium Hadfield manganese steel (Mn13, Mn13Cr2, Mn18), these liners exhibit excellent impact toughness and unique work hardening capability under high-impact conditions.
Key Technical Parameters
- Material: High Manganese Steel (Mn13, Mn13Cr2, Mn18)
- Manganese Content: 11% – 14%
- Carbon Content: 0.9% – 1.5%
- Initial Hardness: HB180 – 230
- Work Hardened Hardness: HB400 – 500 (in use)
- Impact Toughness: ≥100 J
- Microstructure: Austenite + Carbide
- Heat Treatment: Water Toughening (1050-1100°C)
- Mounting: Bolt fixing
- Custom Designs: Available based on mill drawings
Product Advantages
1. Work Hardening – Progressive Surface Hardening
Unlike conventional wear plates with uniform hardness, high manganese steel liners exhibit unique work hardening behavior. Initial hardness of HB180-230 allows for easy machining and installation. During operation, impact progressively hardens the surface to HB400-500, with hardening depth reaching 10-20mm. This "hard shell, tough core" structure continuously regenerates as the liner wears.
2. High Impact Toughness
With impact toughness ≥100 J, high manganese steel liners withstand high-energy impacts from grinding media and large ore particles, eliminating cracking and breakage.
3. Excellent Wear Resistance under High Impact
Under high-impact abrasive conditions, work hardening significantly improves wear resistance, extending liner service life. Service life reaches 5,000-6,000 hours in medium/small ball mills.
4. Water Toughening Heat Treatment
Liners undergo water toughening at 1050-1100°C, dissolving carbides into austenite and ensuring stable single-phase austenite structure for optimal performance.
5. Easy Installation
Bolt fixing with cement mortar filling ensures secure attachment. Custom designs available based on mill drawings.
Why Buyers Choose High Manganese Steel Mill Liners
- Unique work hardening – surface hardness increases in use from HB180-230 to HB400-500
- High impact toughness – ≥100 J for SAG mill applications
- Excellent wear resistance – under high-impact grinding conditions
- Long service life – 5,000-6,000 hours in medium/small ball mills
- Customizable – designed per customer mill drawings
- ISO9001, ISO14001, ISO45001 certified
Applications
- Mining: Iron ore, copper ore, gold ore, nickel ore
- Cement plants: Raw material and finish grinding
- Thermal power plants: Coal pulverizing
- Ball mills and SAG mills
- Crushers, excavators, loaders
Company Strength
- Annual capacity: 60,000 tons
- 40 patents (18 invention patents)
- Advanced casting and heat treatment facilities
- ISO9001, ISO14001, ISO45001 certified
- Exported to 30+ countries
- Partnered with leading mining and cement enterprises
Contact us for a custom quotation with your mill drawings.
Send Inquiry to This Supplier
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