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Product Description
Wear-resistant alloy steel blow bars are the key working parts of impact crushers, directly responsible for high-efficiency impact crushing of materials. At Shandong Jiujiu Machinery, we recognize that the productivity of your horizontal shaft impactor (HSI) depends entirely on the metallurgical integrity of these rotating components. They bear massive impact forces and wear during operation, serving as critical wear-resistant spare parts that dictate the uptime and output quality of your entire crushing circuit.
Advanced Metallurgy and Hardness Profile
The performance of our blow bars is rooted in superior material science. Made of high-strength, high-hardness wear-resistant alloy steel, these bars typically achieve a hardness of 58–63 HRC. Unlike standard manganese steel which requires constant impact to harden, our alloy steel bars maintain excellent mechanical properties and a consistent "glass-hard" surface from the very first hour of operation.
We utilize a refined chrome-moly-vanadium alloy matrix that provides:
Superior Abrasion Resistance: Ideal for processing highly abrasive materials like granite and basalt.
Structural Stability: Their scientific structure disperses stress to prevent fracture, even when encountering varied feed sizes.
Heat Treatment Excellence: Every bar undergoes a computer-controlled quenching and tempering cycle to eliminate internal stresses and ensure a uniform hardness depth.
Functional Efficiency in the Crushing Chamber
Rotating at high speeds, they strike materials like limestone, concrete, and ores in the crushing chamber, achieving uniform crushing and ideal particle size. The modular design of our wear-resistant alloy steel blow bars enables quick replacement and reversible use, allowing operators to maximize the wear-life of each part. Outperforming traditional materials, they often extend service life by 50–100%, making them a cost-effective choice for the mining, construction, and cement sectors.
Application Scenarios
Our alloy steel blow bars are specifically engineered for:
Aggregate Production: Crushing river stone and hard rock into high-quality cubical gravel.
Recycling Operations: Processing asphalt and concrete debris.
Cement Manufacturing: Primary and secondary crushing of raw limestone and clay.
Simplified FAQ
Q: When should I choose alloy steel over high-manganese blow bars?
A: Alloy steel is preferred for high-abrasion applications where the material isn't hard enough to trigger the work-hardening of manganese, or where consistent precision sizing is required.
Q: Can you customize the blow bar profile?
A: Absolutely. We offer various shapes (I-shape, T-shape, or S-shape) to match your specific rotor configuration and material feed requirements.
Chemical composition % of high manganese steel
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
Delivery site
Delivery site
Delivery site
Inspections & Certifications
Certifications
Certifications
Customer visits
Customer visits
Customer visits
Customer visits
Customer visits
Keywords
wear-resistant alloy steel blow bars
wear-resistant alloy steel blow bars
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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