Key Facts
Genuine Alternative Spare Parts
Ceramic blow bars made by GTEK
GTEK holds a vast mold inventory of an extensive well-known HSI brands including: Hazemag, Mesto, Kleemann, Sandvik, Rockster, Rubble Master, Powerscreen, Evoquip, Striker, Keestrack, McCloskey, Eagle, Tesab, Finlay, KPI-JCI (ASTEC), SBM, Telsmith, Hartl, Lippmann, and others.
You can CONTACT US for a pattern list of the available blow bars. OR quote us the correct model numbers with the materials you require.
Metallurgy Options
Martensitic Alloy Steel Matrix + Ceramic Composites
Martensitic blow bars have better impact resistance than chrome blow bars and better wear life than manganese steel blow bars.
With the ceramic inserts on the wear face, the working life of the martensitic blow bars can be largely increased. Normally, the martensitic/ceramic blow bar has twice as much wear life as the pure martensitic blow bar.
- This material is commonly used in recycling industries and primary crushing in quarries. Certain applications are unsuitable for this material, including limestone crushing and slag recycling.
- E.g., primary crushing of sandstone mines, construction waste recycling, concrete, natural stone
Chrome Iron Matrix + Ceramic Composites
High-chrome blow bars have the best wear resistance among all types of blow bars but the lowest impact resistance so the feeding size into the impactor chamber must be strictly controlled and any unbreakable object is not allowed into the chamber.
With the ceramic inserts on the wear face, the working life of the high chrome blow bars can be largely increased. Normally, the high-chrome/ceramic blow bar has twice as much wear life as the pure chrome blow bar.
- While this material can be very successful in secondary applications, it should not be used for primary crushing or very hard and abrasive applications.
- E.g., secondary and tertiary crushing of sandstone mine, pre-crushed concrete, asphalt recycling (metal-free), metal ore crushing, etc.
Manganese Steel Matrix + TIC Carbide
Manganese steel blow bars have the best impact resistance, but their wear resistance is the lowest at the same time. It is usually used in primary crushing.
With the TIC carbide inserts on the wear face, the working life of the manganese steel blow bars can be largely increased.
- They are widely used on primary impact crushers crushing limestone in cement plants or quarry plants.
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