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Help CenterLimestone Mining Crusher Hammer for Primary Crusher in Quarry Operation
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Henan San Kuang Machinery Technology Co., Ltd. has been a trusted manufacturer of crushing wear parts since 2014. With a factory spanning 10,000–30,000 square meters and a dedicated team of 51–100 employees, we specialize in producing high-performance limestone mining crusher hammers designed for primary crushers in quarry operations. Our hammers are engineered to withstand the toughest conditions, delivering consistent crushing efficiency and extended service life. By combining advanced metallurgy with precision casting, we offer a product that minimizes downtime and maximizes your quarry's output.
This primary crusher hammer is specifically tailored for limestone applications, where impact resistance and wear durability are critical. Whether you operate a jaw crusher, impact crusher, or hammer crusher, our hammer heads are dimensionally accurate and ready to fit leading OEM machines. Below we break down the key features, technical specifications, and benefits that make our hammer a top choice for quarry operators worldwide.
Key Features & Technical Specifications
Premium Material Composition: Made from high manganese steel (Mn13Cr2, Mn18Cr2) with optimized chromium content for enhanced hardness and toughness. This ensures the hammer resists abrasion and deformation during repeated impact.
Heat Treatment Process: Water-quenching and tempering process yields a uniform hardness of HB 180–220, balancing wear resistance against impact strength.
Customizable Weight & Geometry: Available in weights from 50 kg to 500 kg, with square, round, or custom-designed shapes to match your crusher’s rotor and material feed size.
Fit for Major Crusher Brands: Compatible with primary crushers from Metso, Sandvik, Terex, Hazemag, and domestic models. We can also provide drawings for custom retrofit.
Extended Service Life: Field tests show a 25–30% longer lifespan compared to conventional hammers, reducing replacement frequency and operational costs.
Rigorous Quality Control: Every hammer undergoes spectroscopy analysis, hardness testing, and dimensional inspection before shipment. Certificates of compliance are available upon request.
| Parameter | Value |
|---|---|
| Material Grade | Mn13Cr2 / Mn18Cr2 / Custom alloy |
| Hardness (HB) | 180 – 220 |
| Impact Toughness (Ak) | ≥120 J/cm² |
| Weight Tolerance | ±3% |
| Applicable Crusher Type | Primary impact crusher, hammer crusher, jaw crusher (as hammer head) |
| Max Feed Size | Up to 800 mm (depending on hammer design) |
| Packaging | Steel pallet + waterproof film, suitable for sea freight |
Benefits for Your Quarry Operation
Higher Crushing Efficiency: The optimized hammer geometry and weight distribution improve the impact force, resulting in better reduction ratios and finer output.
Reduced Downtime: Longer wear life means fewer hammer changeovers, keeping your crusher running longer during production shifts.
Lower Cost per Ton: Although the initial investment may be competitive, the extended service life and reduced maintenance lead to lower overall operating costs.
Consistent Performance: Strict quality control ensures each hammer performs identically, eliminating fluctuations in crusher throughput.
Tailored Solutions: Our engineering team can modify the hammer design based on your specific limestone characteristics (e.g., silica content, moisture) to achieve optimal results.
Trust & Reliability: Henan San Kuang Machinery Technology Co., Ltd. holds multiple certifications including ISO9001, ISO14000, SA8000, OHSAS18001 and others, reflecting our commitment to quality, environment, and social responsibility. Our products are exported to North America, South America, Europe, Southeast Asia, Africa, the Middle East, and more. With an annual export value of US$2.5–5 million and a team of experienced engineers, we have the capacity to fulfill large orders promptly. We ship from major ports: Shanghai, Lianyungang, Qingdao, and Tianjin.
Why choose San Kuang? Because we don’t just sell hammers – we provide a complete wear solution. Our after-sales service includes technical support, installation guidance, and regular follow-up to ensure your crusher runs at peak performance. Contact us today for a quote or to discuss your specific requirements. Let us help you get the most out of your limestone quarry.
Frequently Asked Questions (FAQ)
Q: What is the typical lead time for a custom hammer order?
A: For standard sizes, we can ship within 15–20 days after confirmation. Custom designs may require 25–30 days, depending on pattern complexity and quantity.Q: Can I get a sample hammer for testing before bulk purchase?
A: Yes, we offer sample orders. The sample cost is negotiable, and we can deduct it from your first bulk order. Shipping is at your expense.Q: How do I determine the correct hammer weight and shape for my crusher?
A: Please provide your crusher model, rotor specifications, and desired feed size. Our engineers will recommend the optimal hammer design, or we can produce based on your drawing.Q: What is the warranty period for your hammers?
A: We offer a 12-month warranty against manufacturing defects under normal operating conditions. Wear life is not covered, but we guarantee the material and workmanship.Q: Do you have certificates for material quality?
A: Yes, we provide a mill test certificate with each shipment, showing chemical composition and mechanical properties. Certificates such as ISO9001 are available upon request.Q: Can you supply hammers for other minerals besides limestone?
A: Absolutely. Our hammers are suitable for primary crushing of various materials including gypsum, coal, shale, and construction waste. We can adjust the alloy composition accordingly.Q: What payment terms do you accept?
A: Typical terms are T/T (30% deposit, 70% before shipment) or L/C at sight. For long-term cooperation, we can discuss flexible terms.
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