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Superior Abrasion Defense: High Chrome Impact Crusher Liners for Hard Rock Processing
High chrome impact crusher liners serve as the definitive "rebound armor" inside horizontal shaft impactors, specifically engineered to tackle the aggressive erosion caused by high-silica materials. At Shandong Jiujiu Machinery, we manufacture these liners to solve a common operational bottleneck: the rapid "wash-out" of chamber walls when processing granite, basalt, or river stone. By utilizing a glass-hard chromium matrix, these liners maintain their structural profile far longer than traditional manganese steel in secondary and tertiary crushing stages where abrasion is the primary threat.
Metallurgical Superiority and Surface Hardness
The performance of our high chrome impact crusher liners is rooted in advanced carbide chemistry. While manganese steel requires constant heavy impact to "work-harden," our high-chromium cast iron (ranging from Cr15 to Cr27) provides maximum resistance from the very first ton of material processed.
Through a computer-controlled, multi-stage heat treatment process, we achieve a consistent surface hardness of HRC 58–63. This is achieved by creating a dense microscopic structure of ultra-hard M7C3 carbides. These carbides act as a defensive shield, preventing sharp mineral particles from scouring the base metal, which ensures:
Precision Gradation: The liner maintains its original "rebound angle" for longer, ensuring a high-quality cubical product.
Reduced Recirculation: Better fragmentation ratios mean less material is sent back through the circuit, lowering your overall energy cost per ton.
Mainframe Protection: These liners act as a sacrificial yet highly durable barrier, preventing expensive structural damage to the crusher’s steel shell.
Precision Casting for Operational Stability
A frequent cause of downtime in mobile crushing plants is "liner rattling," which leads to bolt fatigue and internal frame erosion. To eliminate this, we utilize Vacuum-Sealed Molding (V-Process) and CNC Fine Machining. This ensures that the backing surface of every high chrome impact crusher liner is perfectly flat, providing a "flush fit" against the adjustable curtains. This precision eliminates localized stress points and ensures that the crushing energy is focused entirely on shattering the rock rather than vibrating your machine's chassis.
Chemical composition % of high chromium cast iron
This product is a customized product and is produced according to customer drawings or samples.
Casting Process
Casting Process
Casting Process
Casting Process
Casting Process
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Delivery site
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Delivery site
Inspections & Certifications
Certifications
Certifications
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Keywords
high chrome impact crusher liners
high chrome impact crusher liners
Contact Us
Telephone:+86-13792621099
Weifang Binhai New Area Sino-foreign Cooperation Industrial Park, about 260 meters west of the intersection of Hai 'an Road and Zhenhai Street
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CONTACT US
Telephone：+86-13792621099
Weifang Binhai New Area Sino-foreign Cooperation Industrial Park, about 260 meters west of the intersection of Hai 'an Road and Zhenhai Street
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