Sayam Nickel Alloys is a leading manufacturer and supplier of high-performance Hastelloy valves, based in Hyderabad, India. Our valves are precision-engineered from premium Hastelloy alloys to deliver exceptional corrosion resistance, mechanical strength, and reliability in challenging industrial environments. Manufactured using advanced forging, machining, and testing processes, Hastelloy valves ensure leak-proof performance, dimensional accuracy, and long-term durability. Serving industries such as chemical processing, petrochemical, marine, oil and gas, and power generation, Sayam Nickel Alloys is committed to providing high-quality valves that meet international standards, ensuring safety, efficiency, and optimal flow control in critical piping systems.
A hastelloy valve is made of a nickel-molybdenum-chromium alloy, which provides exceptional corrosion resistance in particularly harsh environments These valves typically contain about 50-70% nickel, 15-20% chromium and 15-18% molybdenum. Mechanical properties include high tensile strength, excellent thermal stability, and resistance to pitting and stress corrosion cracking. Advantages of Hastelloy valves include durability, ability to withstand extreme temperatures, suitability for chemical, petrochemical and nuclear applications Reliable operation is ensured in media a it is messy in, making it desirable for important applications.
| Rating | 150#,300#,600#,800#,1500# |
| Size | 1/8” to 16” |
| Standards | API 600/BS1414, ASME B 16.34, ASME B 16.10, ASME B 16.5, API 598/BS EN 12266-1,ASME B 16.25 |
| Grade | Hastelloy C-4 (UNS No. N06455),Hastelloy C276 (UNS No. N10276), Hastelloy B2 (UNS No. N10665),Hastelloy C22 (UNS No. N06022) |
| End Connection | Screwed Parallel,Screwed [NPT], Flanged End, Screwed Taper,Socket Weld |
Hastelloy is a nickel-based alloy containing molybdenum, iron, and cobalt, providing superior resistance to pitting, crevice corrosion, and stress corrosion cracking. The alloy exhibits excellent mechanical strength, ductility, and toughness across a wide temperature range. Hastelloy valves maintain dimensional stability, structural integrity, and leak-proof performance under high-pressure, high-temperature, and highly corrosive conditions. Their combination of corrosion resistance and mechanical reliability makes them ideal for critical industrial applications where safety, durability, and consistent operation are essential.
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Hastelloy valves are widely used in industries requiring reliable flow control in corrosive and high-temperature environments. Typical applications include chemical processing plants, acid and alkali handling systems, petrochemical refineries, offshore oil and gas installations, and marine equipment. They are also used in heat exchangers, pressure vessels, piping networks, and power generation units. Due to their excellent resistance to oxidizing and reducing media, Hastelloy valves ensure leak-proof, long-lasting operation with minimal maintenance. These valves are ideal for aggressive chemical environments, high-pressure systems, and critical industrial processes where performance, safety, and durability are paramount.
