Stainless Steel 321H Valves are made of an alloy containing 18-20% chromium, 8-10.5% nickel, and 0.08-0.20% carbon. Other minor trace elements may also be present in the alloy, such as manganese, phosphorus, sulfur, and silicon. This chemical composition gives Stainless Steel 321H Valves their excellent corrosion-resistant properties, making them suitable for use in harsh environments such as industrial piping applications involving high temperatures and chemicals. The increased carbon content also makes them sturdier and tougher than Grade 321 stainless steel valves, allowing them to handle greater pressure and wear over time with minimal damage or deformation.
SS 321H Valves are commonly used in industrial and chemical processing applications due to their excellent corrosion resistance and ability to withstand high temperatures. They are ideal for use in systems with corrosive chemicals, such as acids, alkalis, chlorides, and other materials that can cause metal oxidation. Their increased carbon content also gives them a better strength-to-weight ratio compared to 321H stainless steel valves, making them suitable for applications requiring higher pressure. Additionally, they have improved ductility, which allows them to form complex shapes without losing strength or toughness. In terms of properties, valves are highly durable with strong wear resistance, meaning they can last through numerous cycles before any deformation is seen.
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