×
INTELLIGENT WORK FORUMS
FOR ENGINEERING PROFESSIONALS

Contact US

Log In

Come Join Us!

Are you an
Engineering professional?
Join Eng-Tips Forums!
  • Talk With Other Members
  • Be Notified Of Responses
    To Your Posts
  • Keyword Search
  • One-Click Access To Your
    Favorite Forums
  • Automated Signatures
    On Your Posts
  • Best Of All, It's Free!

*Eng-Tips's functionality depends on members receiving e-mail. By joining you are opting in to receive e-mail.

Posting Guidelines

Promoting, selling, recruiting, coursework and thesis posting is forbidden.

Students Click Here

Brass alloy with a very high microfinish ?

Brass alloy with a very high microfinish ?

Brass alloy with a very high microfinish ?

(OP)
We are looking for a Brass alloy that we can stamp into very small forms ( .005 thick < 1/2" long ) and process to a very high smooth luster for future electroless nickel plating.
We are the stamping house and trying to help our customer.

Currently they have specified and we have used Cartridge Brass, C26000 which is 70% Copper and 30% Zinc. After cleaning and polishing, the surface appears to have an orange peel look.

Any suggestions ?

RE: Brass alloy with a very high microfinish ?

Brass tarnishes very quickly. Brass polish contains abrasives and wax to prevent tarnish. Wax would not be helpful for plating.

RE: Brass alloy with a very high microfinish ?

How are you currently polishing, and what temper does the material have? Cartridge brass should take a clean, high polish.

It is better to have enough ideas for some of them to be wrong, than to be always right by having no ideas at all.

RE: Brass alloy with a very high microfinish ?

The orange peel look may come during your stamping operation , if the metal is stretched it may show an orange peel effect.
B.E.

You are judged not by what you know, but by what you can do.

Red Flag This Post

Please let us know here why this post is inappropriate. Reasons such as off-topic, duplicates, flames, illegal, vulgar, or students posting their homework.

Red Flag Submitted

Thank you for helping keep Eng-Tips Forums free from inappropriate posts.
The Eng-Tips staff will check this out and take appropriate action.

Reply To This Thread

Posting in the Eng-Tips forums is a member-only feature.

Click Here to join Eng-Tips and talk with other members! Already a Member? Login


Resources

Low-Volume Rapid Injection Molding With 3D Printed Molds
Learn methods and guidelines for using stereolithography (SLA) 3D printed molds in the injection molding process to lower costs and lead time. Discover how this hybrid manufacturing process enables on-demand mold fabrication to quickly produce small batches of thermoplastic parts. Download Now
Design for Additive Manufacturing (DfAM)
Examine how the principles of DfAM upend many of the long-standing rules around manufacturability - allowing engineers and designers to place a part’s function at the center of their design considerations. Download Now
Taking Control of Engineering Documents
This ebook covers tips for creating and managing workflows, security best practices and protection of intellectual property, Cloud vs. on-premise software solutions, CAD file management, compliance, and more. Download Now

Close Box

Join Eng-Tips® Today!

Join your peers on the Internet's largest technical engineering professional community.
It's easy to join and it's free.

Here's Why Members Love Eng-Tips Forums:

Register now while it's still free!

Already a member? Close this window and log in.

Join Us             Close