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UNS S21904

Stainless Steel UNS S21904 Valves are a type of stainless steel valve known for its durability and strength. This type of valve is made with a chemical composition of 12% chromium, 2.5 % nickel, 3 % molybdenum, 0.20% nitrogen, 0.50 manganese, and trace amounts of other elements such as sulfur and phosphorous. In addition to these components, the valves also contain substantial amounts of iron and carbon for added strength. This combination of features makes them highly resistant to corrosion and anti-staining properties. The high chromium content also provides excellent resistance against chloride-ion stress-corrosion cracking while adding great value to the structure.

SS UNS S21904 Valves are durable and corrosion-resistant, making them ideal for various industrial and commercial applications. This material has an impressive strength-to-weight ratio, excellent thermal performance in high-temperature environments, and good machinability. In addition, its resistance to strong acids, alkalis and chlorine makes it suitable for caustic chemicals. Outstanding formability allows Stainless Steel UNS S21904 Valves to efficiently work into complex configurations with excellent structural integrity. Further adding to their versatility, these valves are easy to weld and can be found in many industries, such as chemical processing plants, sewage and wastewater treatment plants, petrochemical plants, gas refineries and water conservation projects.

FAQ's for Stainless Steel UNS S21904 Valves

Yes, stainless steel UNS S21904 valves are magnetic. This is due to its austenitic structure which contains levels of ferrite and iron.

Yes, stainless steel UNS S21904 is corrosion resistant in many acidic and high chloride environments due to its low carbon content and molybdenum content. It also has good mechanical properties, making it a reliable material for applications that require strength and durability.

The best welding type for stainless steel UNS S21904 valves is Shielded Metal Arc Welding (SMAW). This type of welding is suitable for all-position work on thick sections with heavy weld joints. Other types of welding can be used such as gas tungsten arc welding (GTAW), but this may require specialized machines and operators experienced in using them.

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