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
-----
Surface Finish Conversions
I need to clarify surface finish on stainless steel components
(orthopaedic implants). Various customers request different units, i.e., Rz value, Ra Value etc. Does anyone have any conversion charts or other information that might be useful.
Richard Jagger
orthopaedic implant manufacturer - Sheffield, S Yorks, England
2004
There is no exact conversion from Ra to Rz. I have a document
(Supplement 1 to DIN 4768 Part 1) that has some "information-only" data in the form of a graph of Ra vs. Rz. Quoting DIN: "The publication of this diagram as a supplement is intended to indicate that this conversion is not be regarded as a standardized practice but is merely for information." This standard has been canceled with no superseding standard, but you may be able to obtain it from Global Engineering Documents in the US or Beuth in Germany.
Toby Padfield
Automotive module supplier - Michigan
2004
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"