Pelletizer Knife Material?
Does anyone know what kind of material is best to use for pelletizer blades for use in the plastic industry?
This is a customer request. The largest size knife they can buy is 2.12″ x 1.37″ wide by 0.047” thick. They think the knife would work better if it was 2.3” long by 1.37” wide by 0.047” thick.
The machine manufacturer does not offer a longer knife just the shorter one.
The sample knife I have is a shiny gray metal with a mirror finish and is magnetically responsive.
I thought perhaps it was some sort of high speed steel or possibly something such as Stellite© but wondered if anybody could give me a more exact answer.
Thank you,
Tom Walz
Carbide Processors
sales@carbideprocessors.com
800 346-8274
One Response to “Pelletizer Knife Material?”
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Tom,
Pelletizer knives such as the one you are holding are either made from M2 HSS or powdered metal (CPM). Stellite is only used in large strand-cut pelletizer rotors so they can be repaired if need be. Hope this helps
Best Regards,
Chris Underhill