I am building a new balcony railing now and will start welding it together. I need to prepare for hole drilling before dipping it in the zinc bath. The company I’m going to submit it to is currently on vacation, so I can't call and ask.
The posts and top and bottom rails are 40x40 mm pipes. I will drill 13mm holes in the 40x40 pipes where the posts are welded to the top rail. The same where the bottom rails meet the posts. Then there should be external holes too, does anyone know where these should be made? There will be flat bar for feet, and I will make holes in these. But how do I handle the small spindles, those pipes are 10x10 mm. Do I need to drill these both at the top and bottom as well? Or maybe I should leave a 1-2 mm gap at the top and bottom and not weld completely, so the zinc flows in and out through there? Then I weld two of the sides on these pipes instead of welding completely?
It will be 3 sections, and the total weight will be about 150 kg.
The posts and top and bottom rails are 40x40 mm pipes. I will drill 13mm holes in the 40x40 pipes where the posts are welded to the top rail. The same where the bottom rails meet the posts. Then there should be external holes too, does anyone know where these should be made? There will be flat bar for feet, and I will make holes in these. But how do I handle the small spindles, those pipes are 10x10 mm. Do I need to drill these both at the top and bottom as well? Or maybe I should leave a 1-2 mm gap at the top and bottom and not weld completely, so the zinc flows in and out through there? Then I weld two of the sides on these pipes instead of welding completely?
It will be 3 sections, and the total weight will be about 150 kg.
Hello
Good of you to ask first
I would probably fully weld everything and drill holes because it looks best.
In principle, you could drill where the small pipes are supposed to be so they open into the larger ones.
Alternatively, replace the pipes with square bars as the pipes are too weak and bend easily.
Visually, it looks weak, try with 15x15 or 20x20 instead.
A kick at your nice gates and the 10x10 pipes will bend.
Good of you to ask first
I would probably fully weld everything and drill holes because it looks best.
In principle, you could drill where the small pipes are supposed to be so they open into the larger ones.
Alternatively, replace the pipes with square bars as the pipes are too weak and bend easily.
Visually, it looks weak, try with 15x15 or 20x20 instead.
A kick at your nice gates and the 10x10 pipes will bend.
I should have had the spindles solid, it would have saved me the drilling. But I'm drilling a 5mm hole for the spindles at the top and bottom. I decided to galvanize it only after I brought the material home. Now that I have material at home, it will be pipes this time, even though solid would have been easier. The railing is purely decorative and strives for a sleek impression, hence I've chosen thin spindles. Taste is like the backside!
If anyone else has something to say about hole drilling before hot-dip galvanizing, speak up because I'm itching to weld it together, but it's going to be a few hours of drilling first
If anyone else has something to say about hole drilling before hot-dip galvanizing, speak up because I'm itching to weld it together, but it's going to be a few hours of drilling first