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As a leading manufacturer with over a decade of experience in wear-resistant casting technology, Henan San Kuang Machinery is dedicated to providing robust and reliable solutions for the quarrying and mining industries. Our Mn13 High Manganese Casting Crusher Hammer Heads are engineered to withstand the most demanding crushing environments, delivering superior performance and significantly reducing downtime and replacement costs for your operations.
Product Overview & Core Value:
These crusher hammer heads are precision-cast from high-grade Mn13 manganese steel, a material renowned for its exceptional work-hardening properties. Under repeated impact during the crushing process, the surface of the hammer hardens, forming a durable wear-resistant layer while the core remains tough to absorb shock. This unique characteristic translates directly into a longer service life and consistent crushing efficiency, making it a cost-effective critical spare part for your machinery.
Detailed Features and Technical Advantages:
- Superior Material Composition: The use of Mn13 grade manganese steel ensures optimal balance between hardness and toughness. Key alloying elements are strictly controlled to guarantee the desired metallurgical properties for impact wear resistance.
- Advanced Casting Process: We employ sophisticated sand casting and V-process casting techniques to produce hammer heads with dense internal structures, minimal defects like shrinkage cavities, and precise dimensional accuracy. This results in uniform performance across all hammers in a set.
- Enhanced Durability & Wear Life: The work-hardening capability is the standout feature. As the hammer head is used, its surface hardness can increase significantly under impact, effectively resisting abrasion from hard rock and ores, thereby extending its operational life compared to standard hammer heads.
- High Impact Toughness: The tough austenitic matrix of Mn13 steel provides excellent resistance to breakage and cracking under heavy, repetitive impact loads, ensuring safety and reliability in high-stress crushing applications.
- Wide Compatibility: We produce these hammer heads for a vast range of crusher models from major brands, including but not limited to those used in jaw crushers, impact crushers, and hammer crushers common in quarry, mining, and cement plants.
- Precision Machining: Critical mounting holes and surfaces are machined to tight tolerances, ensuring perfect fit, balance, and easy installation on the crusher rotor, which is crucial for smooth operation and preventing vibration.
Technical Specifications Table:
| Parameter | Specification / Value |
| Main Material | High Manganese Steel (Mn13 / ZGMn13) |
| Hardness (As Cast) | HB 180 - 220 |
| Hardness (Work-Hardened) | Up to HB 500 or more |
| Impact Toughness (ak) | ≥ 150 J/cm² |
| Tensile Strength | ≥ 800 MPa |
| Yield Strength | ≥ 400 MPa |
| Elongation | ≥ 35% |
| Production Process | Sand Casting / Lost Foam Casting |
| Heat Treatment | Water Toughening Treatment |
Benefits for Your Business:
- Reduced Operating Costs: Longer lifespan means fewer change-outs, lower parts inventory, and less labor for maintenance.
- Increased Uptime: Reliable performance minimizes unplanned stoppages, maximizing your crusher's productive hours.
- Consistent Product Size: Maintains its shape and weight longer, leading to stable crushing capacity and consistent output gradation.
- Improved Safety: High toughness reduces the risk of catastrophic failure and flying debris.
- Total Cost of Ownership (TCO): While the initial price may be competitive, the extended service life offers a superior TCO, providing excellent long-term value.
Backed by our ISO9001 quality management and ISO14000 environmental management systems, every Mn13 hammer head undergoes rigorous inspection from raw material analysis to final dimensional check. Operating from a modern facility spanning 10,000-30,000 square meters, we have the capacity and expertise to serve a global clientele, with consistent exports to markets across North America, Southeast Asia, Europe, and Africa. Our commitment to quality and customer satisfaction, evidenced by our diverse management certifications including OHSAS18001, ensures you receive a product that is not only high-performing but also manufactured to responsible standards. Choose Henan San Kuang Machinery for your critical wear parts—contact us today with your crusher model details to get a quotation and experience the durability difference.
Frequently Asked Questions (FAQ):
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Q: What is the main advantage of Mn13 steel over other materials for hammer heads?
A: The primary advantage is its exceptional work-hardening property. Under impact, the surface becomes progressively harder, creating a wear-resistant shell while the core remains ductile to prevent cracking, offering an optimal balance for crushing abrasive materials. -
Q: Are these hammer heads suitable for crushing very hard rock like granite or basalt?
A: Yes, they are well-suited for hard and abrasive materials. The work-hardening surface effectively resists the severe abrasion encountered when processing granite, basalt, quartzite, and iron ores. -
Q: Can you produce hammer heads for my specific crusher model that is not a common brand?
A: Absolutely. We specialize in customization. Please provide the technical drawings, sample, or precise model number of your crusher, and we can manufacture hammer heads to match your exact specifications. -
Q: What is the typical lead time for an order?
A: Lead time depends on order quantity and complexity. For standard models, it typically ranges from 15 to 30 days. We can provide a more accurate timeline upon receipt of your detailed inquiry. -
Q: How does the "water toughening" heat treatment benefit the hammer head?
A: Water toughening is a specific heat treatment for manganese steel. It involves heating and then quenching in water, which helps to dissolve carbides and obtain a uniform, tough austenitic structure, maximizing its impact toughness and work-hardening ability in service. -
Q: Do you provide any warranty or guarantee on your hammer heads?
A: We stand behind the quality of our products. We offer a warranty against manufacturing defects. The specific terms can be discussed and confirmed based on the final order agreement. -
Q: What packaging do you use to ensure the hammers arrive undamaged?
A> We use robust export-standard packaging. Hammers are typically wrapped individually, packed in wooden crates or pallets with proper bracing and waterproof lining to ensure safe transit by sea or land. -
Q: Besides Mn13, do you offer other material grades for different applications?
A: Yes, our product range includes other wear-resistant alloys like high-chromium iron, medium chromium alloy steel, and composite materials. We can recommend the most cost-effective material based on your specific crushing material and operating conditions.
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