NOTICE

Forums are temporarily disabled while we are working on a new login procedure.

When migrating the old forums over to our new forums we were unable to retain the identity of the authors, so the old posts will show up as "anonymous". All NEW posts will show up credited to their authors. So please participate and share knowledge just as you have in the past.

You must log in if you are an existing user or register if you are a new user in order to contribute to the discussions.

Discussion Forums - The Hendrix Group
HomeHomeDiscussionsDiscussionsMaterial Select...Material Select...API 5L Pipes complying with NACE MR0175API 5L Pipes complying with NACE MR0175
Previous
 
Next
New Post
7/31/2007 9:00 AM
 
User is offline 
No Ranking

Joined: 1/1/0001
Posts: 0
Good day to all of you. I would like to know that is the chemical compositon of API 5L pipes complying with NACE MR0175. Especially the Carbon Equivalent content, Carbon content, Sulphur content and Phosphorus content. I have gone through the NACE docuement and could not find any particular clause giving exact chemcial composition required. There are many company who make NACE MR0175 pipes but most of them comply only to the Hardness clause i.e. 22 HRC. Aprreicate your replies.
 
New Post
8/1/2007 9:00 AM
 
User is offline 
No Ranking

Joined: 1/1/0001
Posts: 0
Refer API line pipe spectification for chemcial composition. Grade A Grade B Continuous Weld Carbon max. % 0.25 0.30 - Manganese % 0.95 1.20 - Phosporous, max. % 0.05 0.05 0.08 Sulfur, max. % 0.06 0.06 0.06 Regards,
 
New Post
8/1/2007 9:00 AM
 
User is offline 
No Ranking

Joined: 1/1/0001
Posts: 0
Thanks for your reply. But i just wanted to confirm that pipes with NACE MR0175 do not have to meet any special chemical composition requirement. Is not the Sulphur and Phosphorus content too high as per API 5L Specs. Nace pipes are generally used for Sour Service and hence does not NACE MR0175 ask for reduced Sulphur & Phosphorus content. Thanks once again
 
New Post
8/1/2007 9:00 AM
 
User is offline 
No Ranking

Joined: 1/1/0001
Posts: 0
Raghuram Bathula Is acceptable with 22HRC and less than 1% Ni, heat treated condition as hot rolled, normalised, N+T, Q+T, as long as it meets para 3.2 requirements or para 21. as per NACE MR 103 for refinary service
 
 Page 1 of 1
Previous
 
Next
HomeHomeDiscussionsDiscussionsMaterial Select...Material Select...API 5L Pipes complying with NACE MR0175API 5L Pipes complying with NACE MR0175


  

News

NEW! Calculation of Ammonium Salt Deposition Temperatures
With a little delay, our Calculation of Ammonium Salt Deposition Temperatures...read more
Sulfidic corrosion calculators NOW AVAILABLE
Our sulfidic corrosion calculators are now available at hghouston.com/calcula...read more

Stay Current

Sign up for our quarterly newsletter

covering updates on corrosion

Sign Up