OT: What's this type of bracket called?

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The perspective is a bit off - the angles at the end are about 45 degrees.

I made this one myself out of aluminium tubing, but I've already had one crack and break at the bend.

So I'm trying to buy a steel one, but I can't even figure out what to search for.

Sylvia.

Reply to
Sylvia Else
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Best of luck with an off the shelf replacement, Why not use some 5mm flat bar (steel) from a steel suppler and make it

Reply to
DBR

I'm sure I've seen this kind of bracket in various applications. I suppose they may all be custom manufactured, but I'd have thought they were common enough to be something of a commodity item.

Sylvia.

Reply to
Sylvia Else

I would call it a tube brace or strut. They also make them out of u-channel which I often see in building.

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Doesn't look like either of these pages let you order any.

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  Rick C. 

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Reply to
Rick C

No. Much less from Australia. Thanks for the links, though.

I thought about using u-channel, but it would need to be welded, and I have no welding equipment (nor welding skill, indeed).

Sylvia.

Reply to
Sylvia Else

It's just a generic support bracket ghat manufacturers make for specific applications. You won't find one on the shelf anywhere unless you get

*really* lucky, and the reason why it's cracked is because you've made it out of the wrong material for the application at hand.

As DBR said, get yourself some 5mm flat bar (in whatever width you fancy), and make a replica out if that.

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Reply to
Noddy

o

annel which I often see in building.

Not welded, but you would need some equipment that could cut and bend the m etal. Cut at the edges so you have three flat parts and bend them to form

e bending is still hard. You would need to be resourceful.

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Reply to
Rick C

Many ladders have those as rung braces.

Reply to
Local Favorite

Leg brace. For a wood table, you'd use a isoceles wood triangle, beveled to match the table and notched where it affixes to the leg, or design with a skirt for LARGE wood/wood contact area.

A simple rod won't keep the leg vertical, it needs TWO rods to make triangle-rigid in two planes. The bend is a weak point, so bevel-cut-and-weld is the better way to use steel in this application.

Reply to
whit3rd

Try annealing it.

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Xeno 


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Reply to
Xeno

Try tubular angle bracket.

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Xeno 


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Reply to
Xeno

nuh. just get a short galvanised steel strip from bunnings for a few dollars, cut it to length if necessary, bend the two ends to the right angle, and drill holes for the screws.

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Reply to
felix

A followup;

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Xeno 


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Xeno

I was going to try that this afternoon. But my blow torch is empty. Strange, as I've barely used it. Slow leak? Or did the workmen I had on site for a couple of weeks just use it?

Another of life's mysteries to which an answer will probably never be known.

Sylvia.

Reply to
Sylvia Else

Those are the U-channel braces. I've always wondered how strong they are.

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  Rick C. 

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Reply to
Rick C

It's not about how weak it is compared to the rest of the strut. It's about how strong it is compared to the requirement and the cost. Welding is very expensive compared to thicker metal in a strut like this.

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  Rick C. 

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Rick C

If you are talking about a propane cylinder torch you should unscrew the head from the bottle if it is going to be idle for some time. The cylinder has a good seal in it. The head not as much.

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  Rick C. 

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Reply to
Rick C

It's work hardening, that's why it is cracking. The annealing before and after should reduce the risk of that happening.

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Xeno 


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Reply to
Xeno

Here you go again, trying to make yourself relevant. Firstly, you have absolutely no idea what the *application at hand* is since it was never explicitly stated. You just wanted to make your statement sound impressive but all it's made you look like is a dick. And you're good at that!

The bracket cracked because it was *work hardened* in the forming process and required annealing before and after to *reset* the aluminium and relax the internal stresses.

Didn't you ever do any metallurgy studies at Richmond Tech? Before you dropped out, that is!

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Xeno 


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Reply to
Xeno

I'd call it an angle bracket but I'd expect it hard to buy a pre-made version as there are so many variables.

What is the difficutly with making one in steel? It looks like a simple vice clamp construction Perhaps a blow torch might be needed to warm the steel to make it bend/ curve better rather than "tear" as the aluminium is doing.

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news18

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