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Up Topic Welding Industry / Technical Discussions / Piping Material Selection
- - By sabir (*) Date 07-15-2007 03:59
Anybody can help me with some documents related to pipe material selection....?
For Eg: I want to know what is the difference between CS APL 5L X52 and CS API 5L Gr B.

And again what is this X52 stands for, what is 5L stands for and what are the different grads other than Grad B etc etc.

And what is the percentage of carbon content in different material. What is CS, SS, Duplex...etc and what is Austenite, Ferrite and how is this gonna affect the material section for pipe

Please help

Thank you,

Regards

Sabir
Parent - - By ssbn727 (*****) Date 07-15-2007 05:36
Excuse me "Sabir" but, if you're a "Piping Engineer" - how is it that you cannot have access to all of the necessary technical reference material normally available to professionals such as yourself?

I ask this because if you have access to the internet then, you should'nt have any problem searching online for your most of the answers to your questions especially some of the ones that you may not find in the normally accessible technical reference publications that are used on a daily basis by piping engineers...
I await your clarification. :)

Respectfully,
Henry
Parent - - By CWI555 (*****) Date 07-15-2007 07:06
Thats a clarification I'd be very interested in seeing myself.
Parent - - By sabir (*) Date 07-15-2007 09:15
Thanx for your reply Mr. Henry

I dint understand what exactly you mean by this "necessary technical reference material normally available to professionals".

I'm a new lad to this industry. I'm a fresh Mechanical Engineer into Piping. That's why I ask theses kind of silly questions.

I tried searching on the net but every attempt went in vain

I request the support from you all.

Thank you,

Regards,

Sabir
Parent - - By CWI555 (*****) Date 07-15-2007 10:43 Edited 07-15-2007 16:57
 
As for searching the Internet, I'm going to spend 5 minutes and see what I come up with and paste links below, without referring to bookmarks;

http://www.astm.org/cgi-bin/SoftCart.exe/index.shtml?E+mystore front page for ASTM
http://en.wikipedia.org/wiki/Austenite
http://api.org/
http://www.astm.org/cgi-bin/SoftCart.exe/DIGITAL_LIBRARY/STP/PAGES/STP10226S.htm?L+mystore+qvvj6370
http://www.britannica.com/eb/article-9011304/austenite
http://www.azom.com/details.asp?ArticleID=1732  leads to the term duplex stainless steel leading to
http://en.wikipedia.org/wiki/Stainless_steel
http://www.engineeringtoolbox.com/astm-steel-pipes-pressure-temperature-d_742.html

5 minutes worth of simply inputting the terms you posted resulted in the above links, a few hours of dedicated search would net much more detailed information.
Maybe your in a country that restricts net searches I don't know? But 5 minutes should not have been in vain.

The reference materials normally available to professionals are things such as ASTM standards, ASME codes or EU or others, Materials Standards, Metals handbooks, these things are normally associated with an Engineer and or an inspector.

Edited as on second read, the first post may have been a bit to much.
Parent - - By Mwccwi (***) Date 07-15-2007 12:06
A couple of years ago I was helping a guy on-line who ws interested in AWS certified welding egineer and during some of our exchanges iI was introduced to this cool European tarining site - please finfd the shared link below
The European Steel Design Education Programme ( ESDEP)
http://bwk.kuleuven.be/materials/Teaching/master/toc.htm
Parent - By prasad (*) Date 07-15-2007 16:10
Parent - By js55 (*****) Date 07-16-2007 13:36
This one's going on my favorites list. A growing list. Now all I need to do is find the time.
Parent - By 803056 (*****) Date 07-15-2007 17:57
The some of the answers you are looking for are contained in the API specification for Line Piping; API Specification 5L.

As for what is:  CS, SS, duplex, etc., you can look in any basic metallurgy textbook or materials science text book for most of those answers. In general; cs - carbon steel, ss - stainless steel (ferritic, martensitic, austenitic, duplex, and precipitation hardened), duplex - stainless steel composed of ferritic and austenitic microstructures, austenite - when speaking of carbon steel - iron at high temperature where all the carbon is in solution with the iron, it is soft, ductile, and nonmagnetic at the high temperature.

Carbon content is dependent on the material, i.e., carbon steel meeting ASTM 36 versus ASTM A572 grade XX, or austenitic stainless steel per ASTM A240 type 304 alloy versus type 32 alloy. ASTM specifications could be used or you can search the internet for information available from suppliers or manufacturers.  

As a newly minted engineer, you should begin to amass a good reference library. This is where you'll kick yourself in the butt for selling your text book back to the university bookstore for $0.30 on the dollar.

Good luck - Al
Up Topic Welding Industry / Technical Discussions / Piping Material Selection

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