Aftermarket and OEM Original Impact Crusher Parts and Spares sourced from reputable foundries and dealers worldwide to OEM specifications. Blow bars (hammers are usually available in Manganese, Martensitic, Martensitic/Ceramic, 20% Chrome, 27% High Chrome and Chrome/Ceramic as per your requirement. 

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MANGANESE

This alloy is used in primary crushers or crushers that have tramp iron in the feed. Manganese steels will be used whenever very high shock resistance or some elongation is needed. The blow bar life is not easily predictable and depends on many factors.

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Martensitic (Alloy) Steel

Martensitic steel will be used whenever hardness and impact resistance are both needed, i.e. in all the applications where usage of white (chromium) irons can lead to breakage. Generally, martensitic steel have a higher lifetime than Mn steels in more abrasive applications when the feed size is below 900mm. It is used in primary and recycling applications.

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White Cast Iron (Chromium)

White irons are used when the shock level is rather low and the castings rather thick. Feed to the crusher must be well prepared as far as top size and must be free of tramp iron. Because of the brittle nature of this alloy, tramp iron will cause catastrophic failure of the blow bars. This material is used in secondary, tertiary and asphalt recycle applications where there is no tramp iron.

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Martensitic Steel/Ceramic

This is a MMC blow bar consisting of hard ceramic particles on the wear surface in a martensitic steel matrix. This composite has the effect of combining the very hard surface of ceramic with the useful mechanical properties of steel. These (martensitic/ceramic) blow bars can have two to four times the life of standard mono-alloy blow bars. - Recycling industries (primary) - Concrete - Asphalt - Quarries (primary) - NOT suitable for slag recycling (too abrasive) or limestone (lifetime too long, risk of metal stress)

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White iron (chromium)/Ceramic

This is a MMC blow bar consisting of hard ceramic particles on the wear surface in a chromium iron matrix. This composite has the effect of combining the very hard surface of ceramic with the useful mechanical properties of chromium iron. These (chromium/ceramic) blow bars can have two to four times the life of standard mono-alloy blow bars. - Secondary application in quarries and gravel pits. - Asphalt (when no risk of unbreakable parts) - NOT suitable for primary crushers or extreme abrasive/hard materials. Carbide based matrix accepts near to no shocks.

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High Chromium Iron/ Ceramic

This is a MMC blow bar consisting of hard ceramic particles on the wear surface in a chromium iron matrix. The quality of the ceramic inlay has a more durable wear resistance than standard Xwin®. Designed specially for the gravel pit or quarry applications. - Secondary application in very abrasive working conditions (quarries and gravel pits, steel slag,..). - Asphalt in some cases (when no risk of unbreakable parts) - Main target is in applications where Xwin® white iron gains no lifetime improvement against monoalloy solution - NOT suitable for primary crushers or low to middle abrasive conditions

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