Mower Blade Hardness

SeniorCitizen

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Do different brands of mower blades have the same hardness ?
 

ILENGINE

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All lawnmower blades tend to be within the same rockwell hardness range. So there is variation but all within the same category. Some will add a coating to the cutting edge to extend sharpness periods.
 

7394

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Like the marbain steel blades on Scags. Heat treated.
 

SeniorCitizen

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OH , now i recall how we tested hardness long time ago .
If it can be easily filed with a good mill bastard it's not very hard . If it files more like a Cold Chisel it's a tougher better blade . IMO
 
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