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904L is an austenitic stainless steel.It is softer than 316L, [1] [2] and its molybdenum addition gives it superior resistance to localized attack (pitting and crevice corrosion) by chlorides and greater resistance reducing acids; in particular, its copper addition gives it useful corrosion resistance to all concentrations of sulfuric acid.
It is suggested that allicin and the other sulfur compounds (including sulfuric acid) react with the chromium oxide layer, some possibly being adsorbed onto it. Washing the stainless steel soap in water would remove this layer and with it the smelly sulfur compounds. The oxide film would then reform and the stainless steel soap can be reused. [9]
Strong acids, such as hydrochloric acid and sulfuric acid are common, but different applications use various other acids. Also alkaline solutions can be used for cleaning metal surfaces. Solutions usually also contain additives such as wetting agents and corrosion inhibitors. Pickling is sometimes called acid cleaning if descaling is not needed ...
Electrolytes used for electropolishing are most often concentrated acid solutions such as mixtures of sulfuric acid and phosphoric acid. Other electropolishing electrolytes reported in the literature include mixtures of perchloric acid with acetic anhydride (which has caused fatal explosions), and methanolic solutions of sulfuric acid. [3]
Alloy 20 is an austenitic stainless steel containing less than 50% iron developed for applications involving sulfuric acid. Its corrosion resistance also finds other uses in the chemical , petrochemical , power generation , and plastics industries.
Today, thanks to its obscurity and connection to Apple’s history, it yields impressive prices online, with units selling for over a grand. 10. Game Boy Light (Famitsu Edition)
Sulfuric acid is one of the most-produced industrial chemicals. At room temperature, type 304 stainless steel is only resistant to 3% acid, while type 316 is resistant to 3% acid up to 50 °C (120 °F) and 20% acid at room temperature. Thus type 304 SS is rarely used in contact with sulfuric acid.
By Bo Erickson. WASHINGTON (Reuters) - A staffer for a U.S. House of Representatives Democrat was arrested at the Capitol on Monday when a regular security check turned up ammunition in his bag ...
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