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Help Center26% Cr High Chromium Cast Iron Hammer HRC 60-65 for Heavy Duty Crushing
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Henan San Kuang Machinery Technology Co., Ltd., established in 2014 and located in Luoyang, Henan, China, is a professional manufacturer of wear-resistant castings with a factory area of 10,000-30,000 square meters. Our 26% Cr High Chromium Cast Iron Hammer, with a hardness of HRC 60-65, is specifically engineered for heavy-duty crushing applications. With over 10 years of experience and annual export value of US$2.5-5 million, we deliver reliable, high-performance hammers that maximize crushing efficiency and minimize downtime.
This hammer is manufactured using 26% high chromium content cast iron, which provides exceptional abrasion resistance and impact toughness. The hardness of HRC 60-65 ensures long service life even under the most demanding conditions, such as crushing limestone, granite, basalt, iron ore, and construction waste. Our hammers are widely used in cement plants, mining operations, quarrying, and recycling industries.
Key Features & Technical Specifications
- High Chromium Content (26% Cr): Provides superior hardness and wear resistance, extending the hammer life by 2-3 times compared to traditional manganese steel.
- Hardness HRC 60-65: Optimized for heavy-duty crushing, ensuring consistent performance and reduced replacement frequency.
- Excellent Impact Toughness: The metallurgical structure (carbides + martensite) withstands high-impact forces without cracking.
- Customizable Dimensions: Available in various sizes and weights to fit different crusher models (e.g., Hazemag, Metso, Sandvik, Terex, etc.).
- Heat Treatment Controlled: Each hammer undergoes strict heat treatment process to achieve uniform hardness and eliminate internal stress.
- Application Versatility: Suitable for primary, secondary, and tertiary crushing stages in hammer crushers, impact crushers, and vertical shaft impactors.
Typical Physical & Mechanical Properties
| Property | Value |
| Chromium Content | 26% |
| Hardness (HRC) | 60-65 |
| Impact Toughness (J/cm²) | ≥ 5.0 |
| Density (g/cm³) | 7.6-7.8 |
| Abrasion Resistance (relative to Mn13) | 2-3 times higher |
Benefits to Your Crushing Operation
- Reduced Downtime: Longer service life means fewer hammer changes, saving you labor and production loss.
- Higher Crushing Efficiency: The sharp edge retention of high chromium hammers maintains consistent crushing performance throughout the wear life.
- Lower Cost Per Ton: Although initial cost may be higher than manganese steel, the extended lifespan reduces overall cost per ton of material crushed.
- Excellent Wear Profile: The hammer design ensures uniform wear, preventing early failure and maximizing usable material.
- Custom Fit: We can produce hammers according to your drawings or samples, ensuring perfect compatibility with your crusher.
Trust & Credibility
Henan San Kuang Machinery Technology Co., Ltd. has been a trusted supplier to customers across North America, South America, Europe, Southeast Asia, Africa, and Oceania. Our factory is certified with ISO9001, ISO14001, OHSAS18001, and other international standards, ensuring consistent quality and environmental responsibility. With a dedicated team of 51-100 employees and annual export value of US$2.5-5 million, we have the capacity and expertise to fulfill large orders on time. We ship from Port of Shanghai, Lianyungang, Qingdao, or Tianjin, offering flexible logistics solutions.
We invite you to contact us for a quote or sample testing. Our engineers can help you select the optimal hammer grade and design for your specific crushing application. Choose San Kuang for durable, high-performance hammers that deliver real results.
Frequently Asked Questions (FAQ)
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Q: What is the typical lifespan of your 26% Cr hammer?
A: Lifespan depends on the material being crushed and operating conditions. Generally, it lasts 2-3 times longer than traditional manganese steel hammers. For example, crushing limestone, it can serve 500-800 hours on average. -
Q: Can you produce hammers for my specific crusher model?
A: Yes, we can customize dimensions, hole positions, and weight according to your drawings or a sample. Please provide the model number or detailed specifications. -
Q: What is the hardness range? Is it consistent across the entire hammer?
A: Our standard hardness is HRC 60-65, achieved through precise heat treatment. We perform hardness testing on each batch to ensure uniformity. -
Q: Do you offer any warranty?
A: We provide a 12-month warranty against manufacturing defects under normal operating conditions. Excessive wear due to improper use is not covered. -
Q: What is the minimum order quantity (MOQ)?
A: For standard sizes, MOQ is 10 pieces. For custom designs, MOQ may be 50 pieces or more, depending on complexity. -
Q: How do you pack the hammers for export?
A: Each hammer is wrapped with plastic film, then packed in wooden pallets or steel frames with proper cushioning to prevent damage during transit. -
Q: Can I get a sample before placing a bulk order?
A: Yes, we offer sample orders. The sample cost is charged, but it will be deducted from the future bulk order. Shipping cost is at your side. -
Q: What certifications do your products have?
A: Our factory is certified with ISO9001, ISO14001, OHSAS18001, and many other standards. We can provide certificates upon request.
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