Questions tagged [galvanic-corrosion]

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Cast Iron drainpipe - which bolt should i buy to replace sheared one?

Rusty pipe alert: I sheared off one of two bolts taking an inspection plate off a 40 year old cast iron drainpipe. It is M8 an about 15mm long. I'm supposed to get something that's with 0.15 on a ...
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How can I diagnose galvanic corrosion on a water pipe?

I have a newly installed indirect hot water heater and two of the pipes are showing significant amounts of corrosion. Given that the installation is only 3 months old, I suspect that there may be ...
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Cover galvanized wire up to stop rust?

After 8 years of questions, I finally completed the fence. The issue I’m having now is that the loops in the galvanized steel are rusting at a pretty fast rate. I’m looking to spray them with ...
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galvanized or stainless turnbuckles for exterior wire rope fence?

I'm working on a wire rope fence that looks like this. The difference is that we live fairly close to the ocean, which means lots of salty air. I've bought 1/8" galvanized steel with plastic coating ...
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galvanic corrosion with anchor point on galvalume roofing

I'm going to add some sort of anchor point, for attaching a safety rope, to my galvalume roof (some sort of shoulder eye bolt, but that is a different discussion). My question, what metal is best ...
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Can I convert galvanized ducts to wood stove black ducts by coating it with high temp RustOleum paint?

I compared the black ducting for wood stoves with regular galvanized ducting and found that they are both 24 gauge and I noticed they are both steel since both tug magnets. There is quite a large ...
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Water heater inlet corrosion after 4 years? Installer claims they did everything right

Similar to this question, I've got severe corrosion on my 4 year old water heater inlet. I was having the heater flushed when this was discovered, and the person flushing it said it was caused by the ...
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Any way to see if it's made of galvanized steel?

Is there any easy way for me to see if something is made from regular steel or galvanized steel? I'm having some galvanized steel bases installed at my apartment, but I want to make sure it's actual ...
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Is galvanized steel totally incompatible with cedar, even when only touching on the surface?

I'm building a cedar picket fence attached to 2 3/8" chain link fence style galvanized steel posts using galvanized post brackets like these. I know that there are a lot of material incompatibility ...