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Deck weld - E60 vs E70

Deck weld - E60 vs E70

Deck weld - E60 vs E70

(OP)
I received a request from the contractor to use E60 rods claiming that E70 rods are not suited for deck welding.  

While I don't have the diaphragm design manual handy, I was wondering if anyone else has ever come across this matter.  Can this be true?  It doesnt seem right to me.

I'll be looking into the DDM when I get back in town, but wanted to get a head start on this.

Thanks for your help.

RE: Deck weld - E60 vs E70

e70 are not likely needed due to the softer material of the deck.

Dik

RE: Deck weld - E60 vs E70

But there's a difference bewteen "not needed" and "not suited".  I find it hard to believe that the (E70 of otherwise similar classification to the E60) would be no good.

Hg

Eng-Tips policies:  FAQ731-376: Eng-Tips.com Forum Policies

RE: Deck weld - E60 vs E70

I've never had this problem or request.  Hopefully it wasn't because they just changed it and didn't tell anyone.  

RE: Deck weld - E60 vs E70

HgTX - not a welding expert - but it goes to the amperage used to make a E70xx liquify.  You are more likely to burn through light gauge metal than thicker structural metal therefore use the lighter electrode.

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