The High Chrome Alloy Crusher Hammer Head is a critical wear part used in hammer crushers for crushing operations. It is manufactured through integral precision casting with high chromium white iron, designed to deliver strong impact resistance and nice abrasion performance under high-speed rotor impact conditions.
This hammer is widely used in aggregate production, cement manufacturing, mining, and building material processing lines, where stable wear resistance and long service life are required.
Compared with traditional high manganese steel hammers, the high chrome alloy structure provides significantly improved wear resistance, extending service life by approximately 3–5 times under standard limestone crushing conditions, making it a cost-effective solution for medium-hard material crushing applications.
Key Features
Applications
Parameter
FAQ
Key Purchasing Advantages for International Customers
Lower Total Operating Cost
Service life extended by 3–5 times reduces replacement frequency and inventory pressure, lowering overall maintenance cost per ton.
Reduced Downtime Loss
Replacement cycle extended from 7–10 days (conventional hammers) to 25–30 days, significantly improving continuous production uptime.
Stable Quality Control
Full-process inspection system with 12 quality control stages. Each batch undergoes strict hardness and chemical composition testing to ensure consistent performance.
Fast Delivery Capability
Standard models available for shipment within 24 hours. Flexible shipping options including LCL (less-than-container load) and FCL (full container load) support urgent international orders.
Competitive Pricing Advantage
Factory-direct supply eliminates middle layers. Pricing is typically 30%–60% lower than comparable European and American brands, while maintaining comparable performance levels.
OEM / ODM Customization Services
Drawing-Based Customization
Clients can provide CAD / STEP drawings.
Quotation available within 72 hours, sample delivery within 15 days.
Sample-Based Reverse Engineering
Physical sample analysis including spectrometric material testing and 3D dimensional scanning completed within 3 days. Prototype sample available within 10 days.
Material Engineering Customization
Chromium content adjustable from Cr15 to Cr28. Optional alloying elements such as vanadium (V) and titanium (Ti) can be added to enhance wear resistance or impact toughness based on operating conditions.
Solutions for Common Industry Pain Points
Issue: Rapid Wear and Frequent Replacement
Solution: Cr26 high-chromium alloy structure significantly improves wear resistance, extending service life by 3–5 times and reducing maintenance downtime.
Issue: Installation Difficulty Due to Inaccurate Hole Position
Solution: CNC precision machining ensures installation hole tolerance within ±0.2mm, allowing perfect fit with rotor shafts without onsite modification.
Limestone Quarry Operations: Crushing limestone for aggregate and manufactured sand
Stone Crushing & Sand Production Lines: Processing gravel into 0–5mm, 5–10mm, 10–20mm fractions
Cement Raw Material Crushing: Crushing limestone, clay, and iron-bearing materials
Coal Gangue Recycling: Used in brick making, power generation, and road base materials
Construction Waste Recycling: Crushing concrete blocks, bricks, and slabs into reusable aggregates
Gypsum Mining: Crushing gypsum ore for plaster and gypsum board production
| Material Grade: | High chromium alloy cast iron, alloyed with Mo, Ni and other strengthening elements |
| Surface Hardness: | HRC 60–65, uniform hardness distribution with no soft zones or segregation |
| Impact Toughness: | ≥ 8 J/cm², suitable for medium-impact working environments |
| Microstructure: | Martensitic matrix + eutectic chromium carbides, carbide phase evenly distributed to balance wear resistance and fracture resistance |
| Service Life: | 3–5 times longer than conventional manganese steel hammers (based on limestone crushing conditions) |
| Available Weights: | 3.5kg, 3.8kg, 4.5kg, 4.8kg, 5.7kg, 12.5kg, 13.5kg (±0.1kg tolerance per piece) |
| Mounting Hole Tolerance: | ±0.2mm precision machining ensures perfect rotor fit without secondary adjustment |
| Casting Process: | Lost foam precision casting technology, smooth surface finish with no porosity defects |
Q1: What materials can this hammer crush?
A: Suitable for materials with compressive strength ≤200MPa, such as limestone, dolomite, shale, coal gangue, and similar medium-hard rocks. Not recommended for extremely hard materials such as granite or basalt.
Q2: What is the warranty period?
A: 30 days from installation date or based on agreed tonnage throughput, whichever comes first. Free replacement is provided for any quality-related failures such as cracking or chipping, including shipping costs.
Q3: How to select the correct hammer weight?
A: Selection depends on crusher model. Larger rotor diameters require heavier hammers. We also provide customized selection based on feed material hardness and production capacity requirements.
Q4: What information is required for customization?
A: Crusher model, CAD drawing or sample, material type and hardness, required capacity per hour, and working conditions (moisture content, impurities, etc.).
Q5: What are the delivery terms for international orders?
A: Standard models ship within 48 hours if in stock. Sea freight: 25–40 days. Air freight: 7–10 days. Available terms include FOB, CIF, and DDP.
Zhejiang Linchuan Machinery Manufacturing Co., Ltd.
Factory Scenery