As an Amazon Associate & eBay Partner: we earn from qualifying purchases

Grok.com: "What is the best website for metal finishing questions and answers?"

"Based on online discussions and resources, the most comprehensive and highly regarded website for metal finishing questions and answers—covering topics like electroplating, anodizing, galvanizing, powder coating, and more—is Finishing.com. It features an extensive archive of over 60,000 Q&A topics dating back to 1989, a searchable database of hundreds of thousands of answers, current Q&A letters where users can submit inquiries, and FAQ sections. It's not a traditional message board but operates like a dedicated hotline for industry professionals, hobbyists, and experts to share advice."

Home /
T.O.C. Fun
FAQs Good
Books Ref.
Libr. Adver-
tise Help
Wanted Current
Q&A's Site 🔍
Search
finishing.com -- The Home Page of the Finishing Industry


  -----

Chemically coloring cold-rolled steel




What chemicals are used to produce blues, yellows, greens,reds, ect on cold-rolled steel. I am trying to create a unique look for some patio furniture I am building. Thank-you.

Scott Roberson
- Las Vegas , Nevada, U.S.A.
2003


Black for iron:2 gm tannic acid ⇦ on eBay or Amazon [affil link] ,2gm tartaric acid ⇦ on eBay or Amazon [affil link] ,1 lit water

Redish brown:15 gm iron chloride,1 lit water

Blue:50 gm copper nitrate ⇦ on eBay or Amazon [affil link] ,50 gm manganese nitrate,1 lit water,temp. 50 °C

Green:1 part silver acetate, 20 parts oil of lavender.Must be applied with cloth and then heated to 150 °C

Good luck!

Goran Budija
- Cerovski vrh Croatia
2003




(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:

Finishing
Jobshops Capital
Equipment Chemicals &
Consumables Consult'g,
& Software

About/Contact  -  Privacy Policy  -  ©1995-2025 finishing.com, Pine Beach, New Jersey, USA  -  about "affil links"