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High-Quality China Impact Crusher Spare Parts - Reliable Suppliers & Factory Options
Working Principle
The blow bar is directly in contact with the material, so its material and fixing method directly affect the production efficiency of the crusher. It is generally made of materials with strong wear resistance, such as high manganese steel, high chromium cast iron, alloy steel, etc. These materials have the characteristics of impact resistance and wear resistance, and can be broken on high hardness materials.
Characteristic and feature of blow bar:
- Wear parts for crushers in the quarry, mining, construction and metallurgical industry fields, etc...
- Hardness testing, metallographic structure, machinery performance testing and surface analysis
- Good quality with reasonable price.
- Strong wear resistance and long life span, can be used in harsh environment and serious abrasion.
- We can provide customized design according to our clients' requirement and also refine our products by our clients' feedback.
Technical Parameters Of Blow Bar
| Material code | C | Si | Mn | Cr | Mo | Ni | S | P |
|---|---|---|---|---|---|---|---|---|
| ZG20Cr26Ni5 | ≤0.2 | ≤0.2 | ≤0.2 | 24-28 | ≤0.5 | 5-6 | ≤0.04 | ≤0.04 |
| ZG20Cr26Ni12 | 0.2-0.5 | ≤0.2 | ≤0.2 | 24-28 | ≤0.5 | 11-14 | ≤0.04 | ≤0.04 |
| ZG40Cr25Ni20 | 0.35-0.45 | ≤0.21 | ≤0.2 | 23-27 | 1.1-1.4 | 19-22 | ≤0.04 | ≤0.04 |
Some Of Our Product
Frequently Asked Questions
What is the primary function of a crusher blow bar?
A blow bar is a thick piece of wear-resistant metal used in horizontal shaft impact (HSI) crushers. It directly impacts the target material (such as stone, concrete, or ore) at high speeds to break it down efficiently.
What materials are commonly used to manufacture blow bars?
Blow bars are typically made from high manganese steel, high chromium cast iron, or various wear-resistant alloy steels. The choice of material depends on the impact level and abrasiveness of the target material.
How does the chemical composition affect blow bar performance?
Elements like Chromium (Cr) enhance wear resistance, Carbon (C) increases hardness, and Nickel (Ni) improves toughness. The precise balance of these elements ensures the blow bar can withstand high impact without cracking while minimizing wear.
In which industries are these blow bars utilized?
They are widely used as critical wear parts in quarries, mining operations, construction sites, recycling facilities, and the metallurgical industry for material reduction.
Do you offer customized designs for blow bars?
Yes, we provide customized designs tailored to your specific crusher model, operating environment, and feedback to optimize performance and extend the wear life of the parts.