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High temp service of nickel brazing materials?

High temp service of nickel brazing materials?

High temp service of nickel brazing materials?

(OP)
Hello,
I am considering nickel brazing as a fastening method for a metal tube.  I have a high temp service item, approx 500 - 750 deg C.  The tube will be pressurized to 1000 psi.  I am concered about strength of the joint at temperature.  The tube material will be either 316sst, inconel 625 or Hasteloy X.  The environment is somewhat corrosive.  Hydrogen will be the gas pressurized, I am not familiar with nickel or other materials in terms of embrittlment.  I have been searching for a filler material and high temp service strength data.
Can anyone please recommend a material, or a location to find the required strength data.

Thank You

RE: High temp service of nickel brazing materials?

Nickel Brazing Alloys   
Strong Welding Products www.strongweldingproducts.com Tel: 909 483 3222
Carpenter Powder Products www.cartech.com Tel: 412-257-5102
Praxair Technology, Inc. www.praxair.com Tel: 800-825-3093  
Sulzer Metco www.sulzermetco.com Tel: 248-288-1200
Vitta Corporation www.vitta.com/ Tel: 203-790-8155
Wall Colmonoy Corporation www.wallcolmonoy.com Tel: 248-585-6400
 
For enormous amount of free information on Ni & all Ni alloys, visit http://www.nidi.org

To quickly get properties of about any material, visit http://www.matweb.com/

RE: High temp service of nickel brazing materials?

HIgh temp, high pressure, hydrogen, not a good combination for taking chances.
What kind of joint are you making?  Why not weld it?
Creap and stress rupture need to be watched.

= = = = = = = = = = = = = = = = = = = =
Corrosion, every where, all the time.
Manage it or it will manage you.
http://www.trent-tube.com/contact/Tech_Assist.cfm

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