Heer Fittings is a well-established manufacturer and supplier of Hastelloy C22 Pipe Fittings headquartered in Delhi, India, providing high-quality corrosion-resistant fittings for harsh chemical and high-temperature applications. These pipe fittings in the form of elbows, tees, reducers, caps, and crosses are produced to comply with ASTM B366 and ASME B16.9 specifications. Hastelloy C22 is a nickel-chromium-molybdenum alloy offering greater pitting resistance, crevice corrosion resistance, and stress corrosion cracking resistance. It is especially well-suited for use in applications with strong oxidizing and reducing agents. Heer Fittings guarantees every product provides exceptional mechanical performance and corrosion protection under the most severe service conditions.
Specification : ASTM B366 / ASME SB366
Dimension Standard : ASME/ANSI B16.9, ASME B16.28, MSS-SP-43
ASME B16.9 : standard for – Factory-Made Wrought Buttwelding Fittings
ASME B16.25 : Buttwelding Ends
ASME B16.28 : standard for – Butt-Welded Short Radius Elbows & Returns Bends
MSS SP-43 : Wrought and Fabricated Butt-Welding Fittings for Low Pressure, Corrosion Resistant Applications
Size Range : ½” NB to 24″ NB in Sch 10s, 40s, 80s, 160s, XXS. (DN6~DN100)
Seamless Butt Weld Fitting Size : 1/2″ – 10″
Welded Butt Weld Fittings Size : 1/2″ – 48″
Thickness : Sch 5s, Sch 10s, Sch 40s, Sch 80s, Sch 160s, Sch XXS
Bending Radius : R=1D, 2D, 3D, 5D, 6D, 8D, 10D or Custom
Type : Seamless / Welded / Fabricated
Hastelloy C22 has about 56% nickel, 20–22.5% chromium, 12.5–14.5% molybdenum, and 2–6% iron, with trace amounts of cobalt, tungsten, and other elements to enhance corrosion resistance. The alloy has a tensile strength of approximately 690 MPa, yield strength of 283 MPa, and elongation of about 45%. It also maintains mechanical stability and corrosion resistance in oxidizing and reducing conditions and is applicable for chemical process industries dealing with mixed acids, chlorides, and other aggressive substances.
| Grade | C | Mn | Si | S | Co | Ni | Cr | Fe | Mo | P |
| Alloy C22 | 0.010 max | 0.50 max | 0.08 max | 0.02 max | 2.50 max | 50.015 min* | 20.00 – 22.50 | 2.00 – 6.00 | 12.50 – 14.50 | 0.02 max |
| Element | Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| Hastelloy C22 | 8.69 g/cm3 | 1399 °C (2550 °F) | Psi – 1,00,000 , MPa – 690 | Psi – 45000 , MPa – 310 | 45 % |
| STANDARD | UNS | WERKSTOFF NR. | JIS | EN |
| Hastelloy C22 | N06022 | 2.4602 | NW 6022 | NiCr21Mo14W |
Heer Fittings is a leading supplier of Hastelloy C22 Pipe Fittings in Delhi, India. We offer an extensive range of Monel 400 fittings, renowned for their excellent corrosion resistance and high strength, which makes them perfect for demanding industrial applications like chemical processing, marine environments, and high-temperature systems. With a commitment to quality and reliable delivery, we ensure our clients receive top-tier products tailored to meet the specific needs of various industries.
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
| Nominal Pipe Size | All Fittings | All Fittings | All Fittings | Elbows/ Tees | 180° Return Bends | 180° Return Bends | 180 Deg Return Bends | Reducers | Caps |
|---|---|---|---|---|---|---|---|---|---|
| NPS | O.D. at Bevel (1), (2) | I.D. at End (1), (3), (4) | Wall Thickness (3) | Centre-to-End Dimension A,B,C,M | Centre-to-Centre O | Back-to-Face K | Alignment of Ends U | Overall Length H | Overall Length E |
| ½ to 2½ | 0.06 -0.03 | 0.03 | Not less than 87.5% of nominal thickness | 0.06 | 0.25 | 0.25 | 0.03 | 0.06 | 0.12 |
| 3 to 3 ½ | 0.06 | 0.06 | Not less than 87.5% of nominal thickness | 0.06 | 0.25 | 0.25 | 0.03 | 0.06 | 0.12 |
| 4 | 0.06 | 0.06 | Not less than 87.5% of nominal thickness | 0.06 | 0.25 | 0.25 | 0.03 | 0.06 | 0.12 |
| 5 to 8 | 0.09 -0.06 | 0.06 | Not less than 87.5% of nominal thickness | 0.06 | 0.25 | 0.25 | 0.03 | 0.06 | 0.25 |
| 10 to 18 | 0.16 -0.12 | 0.12 | Not less than 87.5% of nominal thickness | 0.09 | 0.38 | 0.25 | 0.06 | 0.09 | 0.25 |
| 20 to 24 | 0.25 -0.19 | 0.19 | Not less than 87.5% of nominal thickness | 0.09 | 0.38 | 0.25 | 0.06 | 0.09 | 0.25 |
| 26 to 30 | 0.25 -0.19 | 0.19 | Not less than 87.5% of nominal thickness | 0.12 | … | … | … | 0.19 | 0.38 |
| 32 to 48 | 0.25 -0.19 | 0.19 | Not less than 87.5% of nominal thickness | 0.19 | … | … | … | 0.19 | 0.38 |
Hastelloy C22 Pipe Fittings from Heer Fittings offer exceptional corrosion resistance, especially in seawater and harsh environments. They are known for their high strength, durability, and resistance to pitting and crevice corrosion, ensuring long-lasting performance. We provide precise manufacturing, quality control, and reliable service for diverse industrial applications.
Yes, custom sizes for Hastelloy C22 Pipe Fittings are available at Heer Fittings. We offer tailored solutions to meet your specific requirements, ensuring optimal performance for your projects. For more information, please contact us at sales@heerfittings.com.
Hastelloy C22 Pipe Fittings are extensively employed in chemical processing, pharmaceuticals, pollution control, marine engineering, nuclear fuel reprocessing, and waste treatment systems. The fittings are particularly advantageous in applications involving hydrochloric acid, ferric and cupric chlorides, formic and acetic acids, seawater, and brine solutions. Their added metallurgical stability and localized corrosion resistance guarantee long service life and low maintenance. Hastelloy C22 is a reliable material for applications that require reliability, safety, and corrosion resistance in heavy-duty fluid handling equipment.
Get in touch with one of our Technical Sales Representatives to request a quote or get answers to any questions you may have.








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