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topic 9873

Wear resistance: Electroless Ni vs. Hard Anodizing


I want to switch from hard black anodizing to e-less Ni on all of my Aluminum parts. Where can I find comparison data on wear and abrasion resistance for these two Aluminum finishing technologies?

Jason Garewal
- San Diego, California, USA


Taber wear resistance

1. For hard anodizing: 1.5-0.5 mg/1000cycle (

2. For High Ni-P: 9-12 mg/1000cycle 3. For Ni-B: 3-9 mg/1000cycle (

All have good wear resistance, with hard anodizing the best followed by nickel-boron and high nickel-phos.

Mary Ross
- Oklahoma City, Oklahoma

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