monel vs stainless how do you tell them apart - 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? 
  #1  
Old 10-09-2009
Junior Member
 
Join Date: Mar 2009
Posts: 20
Thanks: 0
Thanked 0 Times in 0 Posts
Rep Power: 0
karlhead is on a distinguished road
monel vs stainless how do you tell them apart

How do you tell the difference, for example, when a seller says that the fuel tank is monel and not some kind of stainless steel? What type of material is best for water and fuel tanks?
Reply With Quote Quick reply to this message Share with Facebook
  #2  
Old 10-09-2009
Capnblu's Avatar
Senior Member
 
Join Date: Mar 2006
Location: Squamish
Posts: 659
Thanks: 0
Thanked 4 Times in 4 Posts
Rep Power: 9
Capnblu is on a distinguished road
I don't think a lay-person will be able to tell the difference between SS and Monel. It is an excellent material for either water or fuel. I don't know if its hardening properties would be a problem at the welds over time.
__________________
Why, why, why?
To view links or images in signatures your post count must be 10 or greater. You currently have 0 posts.

I Don't Know! I Don't Know!
To view links or images in signatures your post count must be 10 or greater. You currently have 0 posts.
Reply With Quote Quick reply to this message Share with Facebook
  #3  
Old 10-09-2009
Member
 
Join Date: Dec 2006
Posts: 93
Thanks: 0
Thanked 0 Times in 0 Posts
Rep Power: 9
sahara is on a distinguished road
The question was posted and answered at another forum:

Quote:
Monel has a somewhat duller appearance as it has no chromium. It's a nickel-copper alloy. The K-500 version includes some titanium for strength. I had some valve stems made of K-500 monel for acidic salt water service (oilfield, produced water in a CO2 flood) where 316 SS was dying in 3-4 months. Last I knew, those valve stems had lasted 6 years.

If you attempt to polish a small section, it will be pretty obvious that it's not SS due to the dull appearance. It will look much more like nickel than like chrome. Monel is very, very corrosion resistant, but is typically much more expensive than even 316L stainless.

Monel is a superior fuel tank material, hard to imagine anything better. If you could afford it, it would probably be great for water tanks, too, but at the high end these are usually 316L stainless.

I am aware of only one US production boat manufacturer who has used it for fuel tanks - Hinckley - but there may be others.
It's actually quite obvious when they are side by side. A few years ago I was having my (monel) fuel tank cleaned, the technician under the cockpit came up to me and asked "what is that fuel tank made of? It's not stainless and it's not aluminum". Even though he didn't know what it was, he knew it wasn't stainless, it has a very dull lustre.
Reply With Quote Quick reply to this message Share with Facebook
  #4  
Old 10-09-2009
Gary M's Avatar
Senior Member
 
Join Date: May 2006
Location: Sarnia ON
Posts: 675
Thanks: 3
Thanked 3 Times in 3 Posts
Rep Power: 9
Gary M is on a distinguished road
Monel has a slightly greenish tinge to it, SS is easy to spot, silvery but not overly shiny unless it has been buffed.

Monel has better resistance to the salt water environment than SS.

Gary
Reply With Quote Quick reply to this message Share with Facebook
  #5  
Old 10-09-2009
Pamlicotraveler's Avatar
Senior Member
 
Join Date: Aug 2006
Location: Creedmoor NC
Posts: 580
Thanks: 1
Thanked 1 Time in 1 Post
Rep Power: 9
Pamlicotraveler is on a distinguished road
Sam Bush's Gibson mandolin strings are made of monel. Oh, what was the question?
__________________
Twenty years from now you will be more disappointed by the things y%^&*.....oh never mind. 90% of the people on sailing forums already use that as their signature! I'm not a conformist.
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
Combination stainless steel chain/ galvanized steel anchor Grigrigrigoris Gear & Maintenance 11 07-03-2005 04:46 PM
Stainless 101 sailnaway Gear & Maintenance 2 01-28-2005 06:02 AM
Keel Bolt Concerns Don Casey Gear and Maintenance Articles 0 10-12-2003 09:00 PM
Need stainless wire recommendation... jack_patricia Gear & Maintenance 1 06-25-2001 08:16 PM
Stainless Steel Tools Tom Wood Gear and Maintenance Articles 0 09-23-1999 09:00 PM


All times are GMT -4. The time now is 02:25 AM.

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.