Steel = Non galvanized?

I'm still looking for metal to make an Aviary. I found this website which sells industrial protective fencing. Most of their products just say "steel", could that automatically mean it is not galvanized?

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I've sent them a message inquiring about this also.

That 'type' of product is commonly sold with a coating of some type. Zinc coating is the most common in the enclosure World, but water based paints and powder coated is also fairly common.

Normally, when the marketing groups use the word 'Steel' they are defining that they are not Plastic or Aluminum. Steel can refer to a fairly wide range of Steels from hot rolled (most common) to cold rolled and the chemical specification vary widely also. Gas pipes are call 'Black' pipe, steel water pipes (rare to find any more and becoming every more expensive since it has been replaces with copper and plastic) are Zinc coated (Galvanized) pipe. Both have very specific specifications that defines their strength based on their application. Fence piping is commonly wide spec (chemically) and just as commonly thin coated molted Zinc dipped targeting different thickness levels (the thicker the coating, the more expensive).

Long way of saying, your choice in contacting them is the correct way to determine what 'their' specific product has for a coating.

Steel. Too bad, those look promising, but plain steel will quickly rust and any sort of zinc coating ( extremely common ) renders it useless for avairy use. For Aviary use I think you need stainless steel or aluminum.

These appear to be the panels that I see used in a lot of data centers where I work. They are very well-made yes, but not intended for outdoor use!

Could steel panels without zinc have automotive paint applied and be used outdoors? Or is that still not tough enough for big beaks?

Okay here's what you guys need to do. Google search "(province/state you live in) stainless steel mesh". For example, I would search "ontario stainless steel mesh", and a bunch of websites for Toronto mesh sellers pop up. I see Ferrier Wire sells stainless steel mesh, so I click the website. Then I select their stainless steel mesh, and look for the appropriate thickness and spacing. If you guys need help picking appropriate mesh, just tell me where you live. Like, I don't need your street address or anything, just a major city you're close-ish to. I have an aviary in the basement, so I know all about appropriate mesh, hardware, etc.

If a product says "steel", rather than "stainless steel", assume it's galvanized, since stainless steel is completely different from "regular" steel, and the seller/manufacturer would definitely label it as stainless steel if it were such.

Okay, rescuebird, here: https://www.twpinc.com/wire-mesh-material/welded-stainless-mesh

You'll want the T316 since it's stronger against corrosion than the T304. If it was for an indoor aviary, I'd get the T304 since it's supposed to be better for getting food and poop off of. You'll probably want the 1" .080", but the 1/2" .063" might work, since it's a closer weld and would be quite sturdy. I know the link I sent you is for welded mesh, but this specific weld uses pressure, rather than filler metal. I don't have experience with how strong Amazon beaks are, but the mesh is probably strong enough.

Then I'd attach the edges together with long, stainless steel angle irons and stainless steel bolts and stuff. Stainless steel angle irons on both the interior and exterior of the aviary, sandwiching the stainless steel mesh together. It'll be a nightmare figuring out the door, though.

Oh, since it's outdoors, you'll probably want to dig a trench around the aviary to fill with cement so rats or whatever can't burrow in.