Chainplates - Page 3 - SailNet Community

   Search Sailnet:

 forums  store  


Quick Menu
Forums           
Articles          
Galleries        
Boat Reviews  
Classifieds     
Search SailNet 
Boat Search (new)

Shop the
SailNet Store
Anchor Locker
Boatbuilding & Repair
Charts
Clothing
Electrical
Electronics
Engine
Hatches and Portlights
Interior And Galley
Maintenance
Marine Electronics
Navigation
Other Items
Plumbing and Pumps
Rigging
Safety
Sailing Hardware
Trailer & Watersports
Clearance Items

Advertise Here






Go Back   SailNet Community > On Board > Gear & Maintenance
 Not a Member? 


Like Tree4Likes
Reply
 
LinkBack Thread Tools
  #21  
Old 04-07-2012
mitiempo's Avatar
Senior Member
 
Join Date: Sep 2008
Location: Victoria B.C. Canada
Posts: 7,282
Thanks: 0
Thanked 79 Times in 70 Posts
Rep Power: 8
mitiempo will become famous soon enough mitiempo will become famous soon enough
Re: Chainplates

Stainless is never plated. It is polished and then electropolished to remove the free iron particles that will cause corrosion.
__________________
Brian
Living aboard in Victoria Harbour
Reply With Quote Quick reply to this message Share with Facebook
  #22  
Old 04-08-2012
Cruiser2B's Avatar
Senior Member
 
Join Date: Jan 2011
Location: Va Beach
Posts: 506
Thanks: 0
Thanked 6 Times in 6 Posts
Rep Power: 4
Cruiser2B is on a distinguished road
Re: Chainplates

Quote:
Originally Posted by mitiempo View Post
Stainless is never plated. It is polished and then electropolished to remove the free iron particles that will cause corrosion.
Thanks for the info/correction. I am sure whatever the additional process is you could tell from my post that I had chosen only to polish the chainplates I made. I made this decision based on chainplates I removed and what material I decided to make the new ones out of. Only one of my orginal chainplates showed any signs of crevis corrosion and it was minimal at that. All others had some rust staining but that was about it. Those were 40+ yrs old. My new ones are 3/16" thicker, 1/4" wider and polished over the orginals. Original made great backing plates! I felt that there was no addition processes necessary. Time will tell!
__________________

To view links or images in signatures your post count must be 10 or greater. You currently have 0 posts.


To view links or images in signatures your post count must be 10 or greater. You currently have 0 posts.

My two lovely ladies!!

Last edited by Cruiser2B; 04-08-2012 at 02:33 AM.
Reply With Quote Quick reply to this message Share with Facebook
  #23  
Old 04-08-2012
mitiempo's Avatar
Senior Member
 
Join Date: Sep 2008
Location: Victoria B.C. Canada
Posts: 7,282
Thanks: 0
Thanked 79 Times in 70 Posts
Rep Power: 8
mitiempo will become famous soon enough mitiempo will become famous soon enough
Re: Chainplates

I'm sure they will be trouble free for decades.

3/16" thicker - how thick were the original chainplates?
__________________
Brian
Living aboard in Victoria Harbour
Reply With Quote Quick reply to this message Share with Facebook
  #24  
Old 04-08-2012
overbored's Avatar
Senior Member
 
Join Date: Oct 2010
Location: Dana Point, Ca
Posts: 1,006
Thanks: 1
Thanked 41 Times in 41 Posts
Rep Power: 5
overbored is on a distinguished road
Re: Chainplates

electropolishing is not necessary and does nothing to protect the stainless. mirrior mechanical polishing is the best. any type of polishing, be it mechanical or electropolishing will expose the free iron on the surface and it will rust if exposed to moisture. in addition to the electropolishing process most all parts are passivated and allowed to air dry before returned to the customer. it is the Passivation of the stainless that removes the free iron from the surface and should be done to all stainless parts. Passavation can be done to your parts by soaking in cirtus or nitric acid. soaking in Spotless Stainless will passivate the parts just as well.
__________________
"FULL TILT" SOVEREL 33
"GOLD RUSH" PRINDLE 16
Reply With Quote Quick reply to this message Share with Facebook
  #25  
Old 04-08-2012
SloopJonB's Avatar
Senior Moment Member
 
Join Date: Jun 2011
Location: West Vancouver B.C.
Posts: 10,930
Thanks: 58
Thanked 56 Times in 53 Posts
Rep Power: 4
SloopJonB will become famous soon enough
Re: Chainplates

Quote:
Originally Posted by overbored View Post
electropolishing is not necessary and does nothing to protect the stainless. mirrior mechanical polishing is the best. any type of polishing, be it mechanical or electropolishing will expose the free iron on the surface and it will rust if exposed to moisture. in addition to the electropolishing process most all parts are passivated and allowed to air dry before returned to the customer. it is the Passivation of the stainless that removes the free iron from the surface and should be done to all stainless parts. Passavation can be done to your parts by soaking in cirtus or nitric acid. soaking in Spotless Stainless will passivate the parts just as well.
I think that the members here are referring to passivation when they say electropolishing. From what my electropolisher told me about the process, passivation is an (the) integral part of the process. The combination of electricity and a nitric acid bath is what gets the iron out to a decent depth.

Also, I beg to differ about it doing nothing - the parts I had done years ago still look the same as the day they were installed. That doesn't happen when they are merely wheel polished and buffed. In that case they start out looking the same but it only lasts a couple of years before they start to lose their gloss and the old brown stains start to make an appearance in corners and on edges and particularly on welds.
mitiempo likes this.
__________________
I, myself, personally intend to continue being outspoken and opinionated, intolerant of all fanatics, fools and ignoramuses, deeply suspicious of all those who have "found the answer" and on my bad days, downright rude.

Last edited by SloopJonB; 04-08-2012 at 02:05 PM.
Reply With Quote Quick reply to this message Share with Facebook
Reply

Quick Reply
Message:
Options

By choosing to post the reply above you agree to the rules you agreed to when joining Sailnet.
Click Here to view those rules.

Register Now

In order to be able to post messages on the SailNet Community forums, you must first register.
Please enter your desired user name, your email address and other required details in the form below.
Please note: After entering 3 characters a list of Usernames already in use will appear and the list will disappear once a valid Username is entered.
User Name:
Password
Please enter a password for your user account. Note that passwords are case-sensitive.
Password:
Confirm Password:
Email Address
Please enter a valid email address for yourself.
Email Address:

Log-in

Human Verification

In order to verify that you are a human and not a spam bot, please enter the answer into the following box below based on the instructions contained in the graphic.




Currently Active Users Viewing This Thread: 1 (0 members and 1 guests)
 
Thread Tools

 
Posting Rules
You may post new threads
You may post replies
You may post attachments
You may edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is On


Similar Threads
Thread Thread Starter Forum Replies Last Post
Chainplates tager Gear & Maintenance 3 04-17-2009 01:53 PM
My Chainplates simple72 Gear & Maintenance 13 11-11-2006 08:19 PM
Pearson10M chainplates duke Gear & Maintenance 10 09-11-2006 11:04 PM
chainplates mary jewell Gear & Maintenance 1 10-25-2002 07:10 PM


All times are GMT -4. The time now is 08:46 PM.

Add to My Yahoo!         
Powered by vBulletin® Version 3.8.7
Copyright ©2000 - 2014, vBulletin Solutions, Inc.
SEO by vBSEO 3.6.1
(c) Marine.com LLC 2000-2012

The SailNet.com store is owned and operated by a company independent of the SailNet.com forum. You are now leaving the SailNet forum. Click OK to continue or Cancel to return to the SailNet forum.