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

Weld Aged Naval Bronze

Weld Aged Naval Bronze

Weld Aged Naval Bronze

I'm considering welding a naval bronze strut on a 40-year-old sailboat. Probably a quarter of that time it has been in salt water continuously. Would welding be recommended or would there be inbrittlement? I am concerned about migration of some of the constituents over time.

RE: Weld Aged Naval Bronze

If it's brass you may have experienced dezincification. Bronze, on the other hand, has very little zinc and it's properties should not change over time. Bronzes are usually readily weldable.

RE: Weld Aged Naval Bronze

In either case you would be grinding to sound clean metal before welding so it should work fine.
Just remember, clean, clean, clean.

= = = = = = = = = = = = = = = = = = = =
P.E. Metallurgy, consulting work welcomed

RE: Weld Aged Naval Bronze

I am finding "leaded red brass" , or "ounce metal" , 85-5-5-5, for Navel bronze. Copper Development Assn ( 1978) , says do not weld; use brazing. Dezincification occurs in high zinc alloys like Admiralty metal ( 69-30-1). De-nickelification occurs rarely in nickel aluminum bronze ( very different from ounce metal). So it is fairly safe to say you do not have any elemental leaching.

RE: Weld Aged Naval Bronze

Just because dezincification can happen does not mean it will happen

"Everyone is entitled to their own opinions, but they are not entitled to their own facts."

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


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