Sayam Nickel Alloys is a trusted manufacturer and supplier of premium Hastelloy tube fittings, based in Hyderabad, India. Our fittings are precisely engineered from high-grade Hastelloy alloys to provide exceptional corrosion resistance, strength, and durability in highly demanding industrial applications. Manufactured using advanced forging, machining, and finishing processes, Hastelloy tube fittings ensure accurate dimensions, smooth surface finishes, and long service life. Serving industries such as chemical processing, petrochemical, marine, and power generation, Sayam Nickel Alloys is committed to delivering high-quality products that meet international standards, ensuring reliability and safety in critical piping and tubing systems.
| Specifications | ASTM B366 ASME SB366 |
| Size | 6mm to 38mm to 1/4″ to 1 1/2″ |
| Thread | NPT, BSP, BSPT, UNF, ISO, SAE etc. |
| Brass | ASTM B16 ASTM B 453 |
| Grade | C | Mn | Si | S | Co | Ni | Cr | Fe | Mo | P |
| Hastelloy Tube Fittings | 0.010 max | 1.00 max | 0.08 max | 0.03 max | 2.50 max | 50.99 min* | 14.50 – 16.50 | 4.00 – 7.00 | 15.00 – 17.00 | 0.04 max |
| Element | Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| Hastelloy Tube Fittings | 8.89 g/cm3 | 1370 °C (2500 °F) | Psi – 1,15,000 , MPa – 790 | Psi – 52,000 , MPa – 355 | 40 % |
Hastelloy is a high-performance nickel-based alloy with molybdenum, iron, and cobalt additions that provide superior resistance to pitting, crevice, and stress corrosion cracking. The alloy offers excellent mechanical strength, toughness, and ductility across a wide temperature range. Hastelloy tube fittings maintain structural integrity under high pressure, thermal stress, and aggressive chemical environments. Their high corrosion resistance and dimensional stability make them ideal for applications where both mechanical performance and long-term reliability are critical.
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Hastelloy tube fittings are extensively used in industries requiring robust performance in corrosive and high-temperature environments. Common applications include chemical processing plants, acid and alkali handling systems, offshore oil and gas facilities, heat exchangers, and marine equipment. They are also used in pressure vessels, piping networks, and critical fluid transfer systems. With exceptional resistance to oxidizing and reducing media, Hastelloy tube fittings are ideal for aggressive chemical environments, ensuring long-term durability, safety, and minimal maintenance in high-pressure and high-temperature industrial applications.
