Specialty alloy sourcing
2

Question

Specialty alloy sourcing

PetroEngineer02 (Chemical)

(OP)

14 May 12 15:20

I am attempting to manufacture a sampling system with a customer requirement that the tubing be Inconel 825 however I have searched globally and have not have any luck with finding a supplier. Can anyone point me in the right direction? I am searching the following;

Description
Smooth-Bore Seamless Tubing, 1/2" OD, 0.402" ID, 0.049" Wall
Smooth-Bore Seamless Tubing, 1-1/2" OD, 1.26" ID, 0.12" Wall
Smooth-Bore Seamless Tubing, 1/4" OD X 0.035" Wall
Smooth-Bore Seamless Tubing, 6mm OD, 1mm Wall

Any advice would be appreciated, thanks!

micalbrch (Mechanical) · Answer 1 · 2012-05-15 04:16:16

Try these.
http://www.m-woite.de/en/index-en.shtml
http://www.schenk-stahl.de/gb/01_home.php

No guarantee that they can help you but perhaps worth a trial.

moltenmetal (Chemical) · Answer 2 · 2012-05-15 09:58:25

Unless you're looking for a mill run, you may need to have larger tubing re-drawn to the smaller sizes. As to the 1.5" tubing, are you sure you NEED seamless?

PetroEngineer02 (Chemical) · Answer 3 · 2012-05-15 15:10:42

Thanks guys. Yes, it has to be seamless per the customers specifications.

moltenmetal (Chemical) · Answer 4 · 2012-05-15 16:06:12

Customers specify and want all sorts of things they can't have readily from the marketplace.

Tell them they need to buy a complete mill run of tubing, then see how much they really need it to be seamless. Depending on the size of the project, a mill run might not be as many lengths as you think.

geesamand (Mechanical) · Answer 5 · 2012-05-18 05:44:20

^^ Exactly.

Or if they think it's out there, let them provide the contact info for the supplier. In a few cases, certain customers have access to material that the rest of the market does not. The vast majority though are just specs where the engineer picks an alloy and never checks whether form/size is on the shelf.

EdStainless (Materials) · Answer 6 · 2012-06-07 12:48:58

We have done similar jobs where we re-draw from a master size to make the smaller ones.
This would be easy to do as welded and cold drawn tubing, and the walls would be more uniform and the IDs would be smoother.

The 1.5" is easy to do seamless, it can be drawn out of a larger pipe size.
The smaller ones would be more expensive on a per/ft basis because they would need multiple draw passes.
Quantity is the whole key.

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Specialty alloy sourcing
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