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welding hastelloy c276 to carbon steel. by using 309L (including ER309LSi).

welding hastelloy c276 to carbon steel. by using 309L (including ER309LSi).

welding hastelloy c276 to carbon steel. by using 309L (including ER309LSi).

(OP)
any body have experience welding hastelloy c276 to carbon steel. by using 309L (including ER309LSi).

i don't want to use INCO WELD FILLER METAL C-276 (ERNICRMO-4)

RE: welding hastelloy c276 to carbon steel. by using 309L (including ER309LSi).

If you wanted cracks, by all means do. You risk creating a crack sensitive alloy due to dilution with the C-276.

RE: welding hastelloy c276 to carbon steel. by using 309L (including ER309LSi).

I have seen cracking of welds mistakenly (contrary to the WPS) made as you have suggested.

RE: welding hastelloy c276 to carbon steel. by using 309L (including ER309LSi).

Quote (stan000)

i don't want to use INCO WELD FILLER METAL C-276 (ERNICRMO-4)
Why not? It's recommended by API RP 582 for such a DMW

RE: welding hastelloy c276 to carbon steel. by using 309L (including ER309LSi).

Good point: Why would you not want to use the Inconel (ERNiCrMo) alloy is this position?

RE: welding hastelloy c276 to carbon steel. by using 309L (including ER309LSi).

You have to isolate the weld from the carbon in the steel.
Typically you would butter the CS with Ni 82.
Then weld together with C276 filler.
The 309 has significant thermal expansion mismatch (which can cause hot tearing).
Use the correct filler.

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

RE: welding hastelloy c276 to carbon steel. by using 309L (including ER309LSi).

(OP)

Inconel (ERNiCrMo) alloy is expensive.
but thanks to all.
i will use Inconel c 276 filler (ERNiCrMo4) alloy .
thanks.

RE: welding hastelloy c276 to carbon steel. by using 309L (including ER309LSi).

Quote:


Inconel (ERNiCrMo) alloy is expensive.

And a cracked weld, due to incorrect filler metal selection, isnt? Quite the (engineering) attitude.

RE: welding hastelloy c276 to carbon steel. by using 309L (including ER309LSi).

That's the most ideal way to go. You look at Haynes Intl Publication H 3167 for detailed guidelines. Also this link would be of help.
http://www.inkosas.cz/download/niklove-slitiny/cra...
Thanks

Pradip Goswami,P.Eng.IWE
Welding & Metallurgical Specialist
Ontario,Canada.
ca.linkedin.com/pub/pradip-goswami/5/985/299

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