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The corrosion resistance of alloy ub6 ranges from moderate to high, depending on the circumstances of the manufacturing process. High chromium and nickel content, combined with molybdenum and copper additions, guarantee decent to excellent resistance to corrosion. 904L outperforms 316L and 317L molybdenum-enhanced stainless steels because to its superior resistance to chloride stress corrosion cracking, pitting, and general corrosion due to its highly alloyed chemistry (25% nickel and 4.50% molybdenum). Alloy ub6 was initially developed to withstand environments like those exposed to diluted sulfuric acid. It can withstand the heat of phosphoric acid and other inorganic acids, and it is resistant to many organic acids as well. It is easy to weld and fabricate Alloy ub6 using standard shop fabrication methods.


Alloy UB6/904L is formulated to resist moderate to severe corrosion under a wide range of processing conditions. With a high chromium and nickel content and the addition of molybdenum and copper, the corrosion resistance is excellent to superb. Compared to 316L and 317L molybdenum enhanced stainless steels, 904L's increased corrosion resistance is a result of its highly alloyed chemistry, which consists of 25% nickel and 4.50% molybdenum. Ub6 alloy was first developed to work in mildly acidic environments. The majority of organic acids and other inorganic acids, including heated phosphoric acid, are also ineffective against it.


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