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Rust is an iron oxide, usually red oxide formed by the redox reaction of iron and oxygen in the presence of water or air moisture. Several forms of rust are distinguishable both visually and by spectroscopy, and form under different circumstances. Rust consists of hydrated iron(III) oxides Fe2O3·nH2O and iron(III) oxide-hydroxide (FeO(OH), Fe(OH)3).
Given sufficient time, oxygen, and water, any iron mass will eventually convert entirely to rust and disintegrate. Surface rust is flaky and friable, and it provides no protection to the underlying iron, unlike the formation of patina on copper surfaces. Rusting is the common term for corrosion of iron and its alloys, such as steel. Many other metals undergo similar corrosion, but the resulting oxides are not commonly called rust.
Other forms of rust exist, like the result of reactions between iron and chloride in an environment deprived of oxygen. Rebar used in underwater concrete pillars, which generates green rust, is an example. Although rusting is generally a negative aspect of iron, a particular form of rusting, known as "stable rust," causes the object to have a thin coating of rust over the top, and if kept in low relative humidity, makes the "stable" layer protective to the iron below, but not to the extent of other oxides, such as aluminum.
Recently Classic firearms and AIM surplus and a few other places have got their hands on bulk quantities of police trade in Beretta 81 pistols chambered in .32
I got one from classic and can attest to its excellence in both hand fit and controllability. It would truly make an excellent carry gun...
Long story short- I went shooting in the rain a while ago, and thought I cleaned all my rifles. Realized recently that this one got missed, and immediately set to cleaning it.
The barrel is looking kind of gross, and patches keep coming out filthy, but it seems like it's getting better. I'm...
I've been looking into the possibility of changing my routine of Hoppe's #9 followed by Hoppe's Gun Oil, and came across this study a fella did.
This was super impressive to me, and I thought someone else might benefit.
Results of gun care product evaluation - The Firing Line Forums
I have only put 60 rounds through my Bergara .30-06, went shooting yesterday and waited until today to clean it only to find this rust/copper color in my barrel after cleaning it. I have used Hoppes #9 and Hoppes Copper remover with nylon and brass brushes. It stays the same and zero rust...
Just wondering if anyone has ever found or heard of rust starting on the takedown pins of their AR's. It looks like it might just be some wear and tear on mine but I wanted to check here. Sorry for no pics im at work.
So I have an Arsenal Sam7 that is 2-3 years old and last night I took it out of the case and looked it over and found rust around the barrel where the gas block touches as well as a little around the front sight block where the barrel meets, and a touch on the bolt. All of these things are new...
So I asked about this before and this thread is sorta a follow up. I have a few handguns and long guns in my safe. The hand guns don't seem to gather much if ANY rust over the course of a few months however the rifles don't seem to be fairing as well.
After cleaning 4 guns I have found this...
This knife is almost new - The blade is brand new, and the G10 handle grips are new as well - this was done at the Benchmade Factory in Oregon in 2017. This is an incredibly solid, beautiful knife. The steel ( N680) is incredibly hard (57-59 HRC), and particularly resistant to rust. This Knife...
Ive owned this 1911 for probly a week now carried daily! I've tried everything I know. I keep it oiled wipe it down every day tryed serval diffrent leather, kydex,nylon ect even kept it in a temp controlled room. The second day I owned it started pitting. I will post pics later tonight any...
So I apologize if this is the wrong forum for this but seeing as rust is the bane of all tools I figured this was the best place for it.
So today we went out shooting and it was drizzling (wow Imagine that, rain in Oregon) and It got me to wondering this: So coming from a desert/high desert...