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Conflict between nickel alloy (625) in cold work preparation and nace mr 0175/ iso 15156

Conflict between nickel alloy (625) in cold work preparation and nace mr 0175/ iso 15156

Conflict between nickel alloy (625) in cold work preparation and nace mr 0175/ iso 15156

(OP)
hi,
I want to know is there any conflict between alloy 625 (pipe) in cold work condition with nace mr 0175/ iso 15156.


Best Regards,
A.Darvish

RE: Conflict between nickel alloy (625) in cold work preparation and nace mr 0175/ iso 15156

There will be no conflict if the requirements of A.4 in ISO 15156-3 are met.

Steve Jones
Corrosion Management Consultant

http://www.linkedin.com/pub/8/83b/b04

All answers are personal opinions only and are in no way connected with any employer.

RE: Conflict between nickel alloy (625) in cold work preparation and nace mr 0175/ iso 15156

(OP)
please help me to find the material type (4a or 4b or 4c or 4e or 4d) in table a.12 which have been specified the alloy 625(pipe which has been made with cold working) for solution annealed condition.
what requirements are there for the pipe (Inconel 625) which made with cold work.

Best Regards,
A.Darvish

RE: Conflict between nickel alloy (625) in cold work preparation and nace mr 0175/ iso 15156

As I can read from the table A.14, the process limitations (H2S, Chloride and pH) are applicable for Alloy 625 above 149 Deg C application only. Also the Criteria is given if it is wrought or cast solid solution nickel base products,
Hardness: 40 HRC
Yield Strength: 150 ksi
Just meet these requirements. I think its enough

RE: Conflict between nickel alloy (625) in cold work preparation and nace mr 0175/ iso 15156

afsan...
In your first post you said cold worked, inferring that it was to be used in the cold worked condition.
Then you said 'cold worked and annealed' which is a different animal.
If the material is annealed we don't really care what happened to it before.

= = = = = = = = = = = = = = = = = = = =
P.E. Metallurgy, Plymouth Tube

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