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TIG welding Titanium Grade 2 to Grade 5

TIG welding Titanium Grade 2 to Grade 5

TIG welding Titanium Grade 2 to Grade 5

(OP)
I am looking to weld Titanium Grade 2 to Grade 5 with TIG.

Can someone give some guidance on the precautions to be taken and the consumable?

Thank you.

RE: TIG welding Titanium Grade 2 to Grade 5

You're aware that the weld will be no stronger than the weaker of the two materials, correct?

The Miller link is excellent but I think it minimizes the risks of welding the stronger gr 5 material. Welding commercially pure titanium is tough to begin with, and adding gr 5 to the mix makes it a fair bit worse still.

RE: TIG welding Titanium Grade 2 to Grade 5

(OP)
Thank you.

Therefore moltenmetal, which consumable do you recommend?

RE: TIG welding Titanium Grade 2 to Grade 5

Sorry, I don't know what I'd recommend...I suggest you speak with titanium suppliers for their advice.

RE: TIG welding Titanium Grade 2 to Grade 5

I would typically select the weaker of the two as filler, gr2 in this cased.
But I would check with your material producer and see what they say.
I don't weld gr5.

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

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