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Duplex stainless steels are called “duplex” because they have a two-phase microstructure consisting of grains of ferritic and austenitic stainless steel.
Strength: Duplex stainless steels are about twice as strong as regular austenitic or ferritic stainless steels.
Super duplex valves are used in many industries such as petrochemical, chemical equipment, food processing, oil, and gas.
The Corrosion-Resistant HASTELLOY alloys are widely used by the chemical processing industries. The need for reliable performance leads to their acceptance and growth in the areas of energy, health and environmental, oil and gas, pharmaceutical and flue gas desulfurization industries.
Inconel: More than twenty different grades are hiding behind this name. These materials are highly resistant to corrosion and creep and their ductility allows for use at very low temperatures. They are used in many sectors (chemical, pulp, and paper, nuclear and cryogenic).
Their implementation is sometimes more difficult than for stainless steel due to their high ductility.
Incoloy: These alloys exhibit very good corrosion resistance, high creep resistance, and excellent resistance to high temperature. They are primarily used in the chemical and petrochemical industries
Monel is a group of nickel alloys with excellent corrosion resistance by many agents, in numerous acidic and alkaline conditions.
Pure nickel shows excellent corrosion resistance in alkaline solutions such as caustic soda, and also shows outstanding resistance against highly pure halogen gas and non-oxidizing acids.
Stainless steel is a group of iron-based alloys that contain a minimum of approximately 11% chromium, a composition that prevents the iron from rusting and also provides heat-resistant properties. JST not only manufactures exotic materials of plug valve, we are also producing stainless steel plug valve, which is commonly used for not very corrosive application.
Super Austenitic stainless steel combines with 904L, 254SMO, AL-6XN, Alloy 20, etc.
JST titanium plug valves are designed and manufactured for the process industries to handle liquids that contains slurry and sludge or liquids which are hazardous, corrosive ect. harsh working conditions with the advantage of deposit-free, anti-crystallization, anti-corrosion, and anti-high temperature and pressure.
The most distinct property of Titanium is its outstanding resistance to corrosion, especially highly resistant to acids, aqua regia and moist chlorine in water. JST plug valves are meticulously machined in our own precision CNC machining centers where it must pass extensive quality control procedures and undergo an extensive heat treatment and stress relieving process to ensure molecular integrity and prolong the valve’s usage life.
JST Zirconium Plug Valves are made from high-grade zirconium (Zr 702, Zr 705, UNS R60702, UNS R60705), offering exceptional corrosion resistance against acids, alkalis, and harsh chemical environments. Ideal for pipelines and equipment, they outperform titanium and niobium in durability and chemical process applications.
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