-- The Home Page of the Finishing Industry

on this site
current topics
Live! From Pine Beach NJ: The world's most popular metal finishing website, and the internet's friendliest corner

topic 17897

Replacement For Hard Chrome Plating


I am looking for an alternative coating to replace Hard Chrome on a piston head which slides in a stainless steel cylinder. I am considering Titanium Nitride. The steel cylinder has a hardness of approximately 42Rc.

Tom Fritch
- Valencia, California, USA

simultaneous 2002

Gee, Tom, since you work for the competition, I'd say it's an EXCELLENT idea! Simply marvelous! Oh, and make sure you select a cathodic arc process, as well, for better seal life! : )

(Gosh, I'm biting my tongue so hard here I can taste the blood...)

Seriously, chat with Kim Bodily or Dan Loveless at your Utah facility before you go too far. Good luck!

lee gearhart
Lee Gearhart


Hard chrome has much better oil retention and lower coefficient of friction. In what way is the hard chrome less than satisfactory?

Ted Mooney, Teds signature
Ted Mooney, P.E.
Pine Beach, New Jersey
We need "Aloha" now more than ever


Chrome Nitride may be a better choice. However since hard chrome is typically deposited much thicker than standard PVD CrN, you will want to consider how a thinner replacement may affect the application whenever replacing hard chrome with PVD coatings.

Jeff Ostman

If you have a question in mind which seems off topic, please Search the Site

ADD a Q, A, or Comment on THIS topic START an UNRELATED topicView CURRENT HOT TOPICS

Disclaimer: It's not possible to diagnose a finishing problem or the hazards of an operation via these pages. All information presented is for general reference and does not represent a professional opinion nor the policy of an author's employer. The internet is largely anonymous & unvetted; some names may be fictitious and some recommendations may be deliberately harmful.

  If you need a product/service, please check these Directories:

JobshopsCapital Equip. & Install'nChemicals & Consumables Consult'g, Train'g, SoftwareEnvironmental ComplianceTesting Svcs. & Devices

©1995-2019, Inc., Pine Beach, NJ   -   About   -  Privacy Policy
How Google uses data when you visit this site.