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Manganese Crusher Liners

Name: Manganese Crusher Liners - China Manganese Crusher Liners Manufacturers Suppliers Factory - Duma
Brand: Duma Machinery
SKU: 201370350

Duma's cone crusher concave and bowl liners are engineered for maximum wear life and optimal crushing performance in the most demanding quarrying and mining applications. Made from premium high manganese steel, our wear parts offer exceptional impact toughness and work-hardening capabilities, ensuring you get the lowest cost per ton crushed.

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Product Introduction

Jiangxi Duma Machinery Manufacturing Co., Ltd. is one of the most credible manufacturers and suppliers of manganese crusher liners in China. Welcome to buy discount manganese crusher liners in stock here and get quotation from our factory. We also accept customized orders.

Manganese crusher liners, also known as cone crusher bowl liners and mantles, are indispensable critical wear parts in the operation of cone crushers. They serve two core purposes: first, to form a protective barrier for the crusher chamber, effectively preventing direct friction and impact between hard materials (such as iron ore, granite, and limestone) and the crusher's metal body, thereby avoiding premature wear and damage to the crusher's main structure; second, to maintain the stable shape of the crushing chamber, ensuring that materials undergo uniform extrusion, impact, and crushing processes inside the chamber, ultimately achieving efficient material reduction and meeting the required particle size standards for subsequent production.

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Duma Machinery, as a professional manufacturer of mining and crushing wear parts, specializes in producing high-performance manganese liners. Our products are engineered with targeted designs to address the diverse challenges of different industries. In the mining industry, they excel at withstanding the severe wear caused by hard ores like iron ore and copper ore; in the quarrying sector, they ensure consistent crushing performance when processing aggregates such as granite and basalt; and in the aggregate industry, they meet the strict requirements for particle size uniformity in construction materials. By optimizing material formulas and structural designs, our manganese liners deliver 30% longer wear life compared to generic products, maintain stable and consistent product quality during long-term operation, and significantly enhance the overall crushing efficiency of the equipment, providing reliable support for the continuous production of our customers.

Attributes, Functions & Benefits

Product Specifications & Applications

Our manganese crusher liners are available in various grades to match your specific operational needs.

Material Grades:

Mn14Cr2: Standard for general crushing conditions.

Mn18Cr2 (Recommended): Superior toughness and wear resistance for most abrasive materials.

Mn22Cr2: For highly abrasive and high-impact applications.

Compatible Cone Crusher Models:

We produce concave and mantle sets for a wide range of cone crushers, including but not limited to:

Metso: HP Series, GP Series, MP Series

Sandvik: CH/CS Series, H Series

Symons: 2ft, 3ft, 4ft, 4.25ft, 5.5ft, 7ft

Terex: Cedarapids, Terex MVP

Applications:

Ideal for crushing a variety of hard and abrasive materials such as Granite, Basalt, Iron Ore, Quartzite, and River Gravel.

Company Qualification

Duma Machinery operates a 42,000 m² modern foundry with an annual capacity of 20,000 tons. Our facility includes medium-frequency furnaces, precision heat treatment systems, and advanced CNC machining centers. The company has passed ISO9001:2000 certification and adheres to ASTM and GB casting standards, ensuring every liner meets international performance benchmarks.

Competitive Advantage

Comparison Item	Duma Machinery	Other Suppliers
Material	Original Mn18Cr2 / Mn22Cr2	Generic manganese steel
Wear Life	+30% longer	Standard lifespan
Casting Quality	Vacuum degassed, no porosity	Often unrefined
Customization	Supports OEM drawings	Limited options
Delivery	25–30 days	45–60 days

Factory Strength

Our foundry is strategically located near Qingdao Port and Ningbo Port-two major international seaports in China-enabling convenient and efficient global shipping. Compared with inland factories, we save 3-5 days of inland transportation time, significantly shortening the overall logistics cycle.

Duma Metso Cone Crusher Mantle delivered to Shanghai

We implement full-process control over production, covering every link from mold design to final inspection: 1) Mold design: Uses CAD/CAM software to create precise molds, with a mold accuracy of ±0.1mm to ensure the liner's dimensional consistency; 2) Melting: Controls the molten steel temperature at 1520-1550℃ to ensure complete melting of raw materials and uniform composition; 3) Sand casting: Adopts resin sand molding to improve the surface finish of castings and reduce sand inclusion defects; 4) Machining: Uses CNC machining centers to process key positions (e.g., bolt holes) with a machining accuracy of ±0.05mm; 5) Inspection: Each manganese liner undergoes three strict tests-ultrasonic testing (in accordance with ASTM A609, detecting internal defects), chemical composition analysis (using a spectrograph to verify manganese, chromium, and impurity contents), and hardness testing (using a Brinell hardness tester to ensure hardness meets HB 200-250).

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With 15 years of experience in manganese steel casting, our technical team (including 8 senior engineers with over 10 years of experience) can quickly solve technical problems in production, ensuring stable product quality and on-time delivery.