Aloha, fun & authoritative answers -- no cost, no registration, no passwords, no popups
(as an eBay Partner & Amazon Affiliate we earn from qualifying purchases)

Where the
world gathers for metal finishing
Q&As since 1989

-----

Trivalent Chromium Plating Process Check

What is the procedures or methods to verify the trivalent chromium plating process for fasteners? What caution or critical point(s) to check to ensure fasteners are properly plated?

Chung Chong Choy
Fasteners Distributor - Singapore
2004

2004

That's a bit of a wide open question. If you're trying to simply verify whether not the chrome plating exists, immerse the part in hydrochloric acid. If you see a color change from blue to yellow on the finish, you had chrome present. If you want to verify thickness, corrosion resistance or other physical properties, refer to ASTM B456 for evaluation of decorative chrome finishes. It is very comprehensive.

Good luck.

Daryl Spindler, CEF
decorative nickel-chrome plating - Greenbrier, Tennessee

(No "dead threads" here! If this page isn't currently on the Hotline your Q, A, or Comment will restore it)

Q, A, or Comment on THIS thread -or- Start a NEW Thread

Disclaimer: It's not possible to fully 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 might be harmful.

If you are seeking a product or service related to metal finishing, please check these Directories: