Glue for cast iron?


  #1  
Old 12-09-22, 03:26 AM
K
Member
Thread Starter
Join Date: Jun 2005
Location: USA
Posts: 724
Received 1 Upvote on 1 Post
Glue for cast iron?

My wife has a cross that is made of cast and a piece broke off of the base. Is there a glue that will actually do a good job holding cast together?
 
  #2  
Old 12-09-22, 07:31 AM
Marq1's Avatar
Member
Join Date: Sep 2016
Location: USA MI
Posts: 9,745
Received 1,210 Upvotes on 1,098 Posts
JB weld is sold as a metal epoxy but it this cross will not have a lot of stress applied any epoxy would work.
 
  #3  
Old 12-09-22, 08:24 AM
P
Group Moderator
Join Date: Mar 2003
Location: NC, USA
Posts: 28,009
Received 2,235 Upvotes on 1,994 Posts
Depending on how heavy the pieces are and the gap between the pieces an epoxy would be the best choice. If it is cast aluminum or zinc and the pieces fit back together really tight then a regular two part epoxy glue can work. Thoroughly mix the glue (don't skimp on the mixing) and apply a thin layer to the joint. Then firmly press the pieces together and clamp to hold. Wipe off any glue that squirts out with a paper towel. Then use a paper towel or rag soaked with alcohol to remove the last bit of glue that seeped out.

If if is a crude break or possibly cast steel/iron where the is some gap to the joint then JB Weld would be a good option. It's more of a paste and is better at bridging a small gap. And, you can build up a "blob" on the back side to provide a bit more strength. Clean up with an alcohol soaked rag just like other epoxies.
 
 

Thread Tools
Search this Thread
 
Ask a Question
Question Title:
Description:
Your question will be posted in: