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

[stan000]

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)

 

[weldstan]

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

 

[weldstan]

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

 

[XL83NL]

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

 

[racookpe1978]

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

 

[EdStainless]

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

 

[stan000]

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

 

[XL83NL]

Inconel (ERNiCrMo) alloy is expensive.

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

 

[pradipgoswami]

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/crafab.pdf

Thanks

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