Do pop rivets get old? AKA blind rivets.
I've had two things that needed pop-riveting lately, the bag dispenser
lid from the doggie bathroom that got knocked over, and the extension
from my rear downspout, to take the water away from the house.
I"m 96% sure I used the same alluminum pop-rivets as the last several
times, but this time, the nail part broke off before there was any
appreciable bulging of the "sleeve" part.
I tried 3 rivets on the first task before I just used vice-grips to
squish the sleeve.(It came out perfect.) The downspout seemed to
work okay on the second try, but that's still 4 rivets that failed and
only one that worked.
Do they get brittle with age?
Should I be using steel pop rivets instead? What are the advantage of
First question first re your header: Yes, everything does.
Next, do they get brittle with age: No.
Last, should you be using steel rivets: It depends.
The steel rivets are for use in ferrous metals and the aluminum rivets
are for use in nonferrous metals.
Some alloys age harden. Not sure if any are used in pulled rivets,
but solid rivets are available both hard and soft - and soft ones are
only soft for a limitted time. They may need to be annealed before
On Sun, 28 Sep 2014 22:02:24 -0400, firstname.lastname@example.org wrote:
Is that because of electroylsis or something similar?
Well, I don't know either if such an alloy was used here, but they were
20 or 30 years old. I've just about run out, and I bought a bigger box
of assorted new ones, also aluminum, so next project I'll try the new
Actually, you could use aluminum is steel too, but you usually get more
strength with steel and since you are protecting it with paint anyway,
the rivet won't rust.
With aluminum, you don't have to add any additional protective coatings.
On Tue, 30 Sep 2014 07:09:17 -0400, Stormin Mormon
One was to connect one piece of downspout to another. If I could have
gotten inside the pipe, I would have. Even a blind rivet had the
advantage that little would be inside the downspout. A screw,which I
was going to use, would have caught leaves and eventually gotten
The other was to form one of two hinges on the metal box lid, of the box
that dispenses doggie detritus transport bags. The other "hinge" was
a very small plastic Xmas tree, that went through a hole in the box and
a hole in the lid, but one of them had gotten broken when the whole
thing fell over. I thought there would be truck or car tire-prints,
but there weren't. Not sure what snapped off the
_/ \_ metal post.
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