Plan to embed an M8 threaded rod at the top of the brick grill, which will stick up to attach a chimney. The idea was to weld small plates on, creating an upside-down T shape, where the threaded rod goes up through the butt joints.

But can't find a rod in regular steel that I can weld with my small inverter/stick welder. Is all threaded rod galvanized or stainless steel? Otherwise, maybe I'll have to use carriage bolts and drill into flat iron, etc., which becomes a bit "fiddly."
 
Unfinished threaded rod is a bit unusual. Go for a stainless one, it's easy to weld on.
 
Rabbithole Johannes Carlsson said:
Uncoated threaded rod is a bit unusual. Opt for stainless steel, it's easy to weld
Ok, apparently it should work with stick welding; it's important to get hold of a smaller package of electrodes like this unfortunately discontinued at Jula. Flat iron in RF was apparently available at Bauhaus (y)
 
And if you're going to weld galvanized, keep in mind good ventilation.
 
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Alko
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With a stick, it's not a problem to weld galvanized, but do it outside or with good ventilation.

But what do you think about just making a bend on the rod, an L?

Protte
 
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Alko
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The galvanization in a threaded rod is superficial, so you just need to grind away the threads plus a little extra where you'll be welding, and it'll be fine.

If there's a little galvanization left, it will burn off as soon as it gets hot.

Regards, the welder
 
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Alko
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prototypen prototypen said:
With a rod, it's not a problem to weld galvanized, but do it outside or with good ventilation.

But what do you think about just making a bend on the rod, an L?

Protte
Yes, maybe it will be like that anyway, galvanized flat iron I believe is available in stores, but bolt/threaded rod I don't know. I'm a bit unsure if I can weld galvanized to hot-dip galvanized etc.

I was hesitant to just bend the RF threaded rod, then it would only lie under one tile and not two, but maybe that's enough.
 
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