![]() ![]() Dry atmosphere way from the seacoast will produce the least surface discoloration, while industrial and marine atmospheres will produce maximum coloration.įresh water exposure: Copper tubing is commonly used for fresh water piping. In effect, the extremely long life of copper metals is due mainly to the fact that their oxidized surfaces protect them from further deterioration.Ĭopper metals offer excellent resistance to industrial, rural, and marine atmospheres. It is protected by the surface oxidation, which is generally not soluble in water, and which adheres tightly to the surface, preventing exposure to further environmental corrosion. Therefore, the metal itself does not deteriorate. However, this tarnish, or patina, affects only the appearance and not the matrix of the metal. However, since corrosion is a reaction of a metal’s surface to its environment, deterioration does not take place until the corrosion penetrates the surface.Īll copper metals react quickly to their environment and form a film of surface oxidation. Corrosion is usually defined as a deterioration or failure of metal by chemical or electrochemical processes. Financial stocks and copper rising could be a sign that business leaders and investors are growing more confident about the economy.One of the most outstanding and certainly the most complex features of copper metals is their corrosion resistance. ![]() The metal often referred to as "Doctor Copper" is seen as a leading economic indicator, and financial stocks are cyclical plays. The similar movements of financial stocks and copper may make some sense, however. While those stocks pass the short-term threshold for correlation used in this screen, their five-year average correlation to copper is below 0.3, suggesting that the relationship is weaker than the recent run makes it appear. There are some other stocks on the list that have a less obvious exposure to copper, such as financial stocks Invesco and KKR. For example, the Global X Copper Miners ETF (COPX) holds those two stocks and their competitors, and rose more than 10% in July. Investors can also play copper miners through ETFs. Shares of Southern Copper jumped nearly 22% last month, while Freeport-McMoRan gained 11.6%. Both have 50-day correlations above 0.7 with the price of copper. The list includes material companies that mine the mineral, including Southern Copper Corp. The stocks below are Russell 1000 members who have a correlation to copper of at least 0.5 over the past 50 days, according to Refinitiv. The run-up for the metal appeared to give a boost to some related companies. 3M mountain The price of copper surged in July. And it is still about 9% below its 12-month high, so there may still be upside from here. The price of copper futures rose more than 6% in July, its strongest month since January. Personal Loans for 670 Credit Score or LowerĮconomic bellwether copper is in an uptrend, and there are several ways for investors to bet on the metal's rally to continue. Personal Loans for 580 Credit Score or Lower Best Debt Consolidation Loans for Bad Credit ![]()
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