Stainless Steel 321h Flanges are made of an alloy combining chromium, nickel, and iron. They also contain traces of titanium and molybdenum, which improves their corrosion resistance by forming a protective oxide layer on the metal surface. The chemical composition includes 18%-20% chromium, 4-6% nickel,0.3% manganese,0.08% carbon,0.75% silicon, and trace amounts of nitrogen and sulfur. In addition to enhanced corrosion resistance, this alloy also offers excellent cryogenic toughness for temperatures below zero degrees Celsius.
321h SS Flanges have many uses thanks to their excellent properties, such as corrosion resistance, strength, hardness, formability, hot workability, and weldability. Additionally, they offer superior cryogenic toughness for temperatures below zero degrees Celsius. They can be used in various high-load applications, marine and food processing, and corrosive environments. The corrosion resistance of SS flanges is due to the chromium added to the alloy that forms a protective oxide layer that prevents corrosion. Due to their nickel and iron content, these flanges also provide excellent tensile strength at ambient and elevated temperatures.
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