Machuca Fittings, based in Kuala Lumpur, Malaysia, stands out as a top manufacturer and supplier of Hastelloy Pipe Fittings, providing high-quality, corrosion-resistant solutions tailored for critical industrial needs. Their impressive lineup features elbows, tees, reducers, caps, and crosses, all meticulously engineered to ensure leak-proof connections, robust mechanical strength, and lasting reliability. Hastelloy alloys, which are nickel-based and enriched with molybdenum and chromium, are celebrated for their remarkable resistance to both oxidizing and reducing environments, making them perfect for industries like chemical processing, petrochemicals, marine, and power generation. Machuca Fittings is committed to ensuring that its Hastelloy pipe fittings meet international standards, guaranteeing dependable performance even in the toughest 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 Pipe Fittings primarily consist of nickel, with varying levels of molybdenum, chromium, iron, and trace alloying elements depending on the specific grade. This unique composition offers outstanding resistance to pitting, crevice corrosion, stress corrosion cracking, and oxidation, especially in highly aggressive chemical and high-temperature settings. These fittings boast superior tensile and yield strength, impressive toughness, and excellent thermal stability. Thanks to their good weldability, ductility, and formability, Hastelloy pipe fittings maintain their mechanical integrity and durability over time, even in high-pressure, corrosive, and high-temperature applications.
| Grade | C | Mn | Si | S | Co | Ni | Cr | Fe | Mo | P |
| 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 |
| C276 | 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 C22 | 8.69 g/cm3 | 1399 °C (2550 °F) | Psi – 1,00,000 , MPa – 690 | Psi – 45000 , MPa – 310 | 45 % |
| Hastelloy C276 | 8.89 g/cm3 | 1370 °C (2500 °F) | Psi – 1,15,000 , MPa – 790 | Psi – 52,000 , MPa – 355 | 40 % |
| STANDARD | WERKSTOFF NR. | UNS | JIS | GOST | EN | OR |
| Hastelloy C22 | 2.4602 | N06022 | NW 6022 | – | NiCr21Mo14W | – |
| Hastelloy C276 | 2.4819 | N10276 | NW 0276 | ХН65МВУ | NiMo16Cr15W | ЭП760 |
Machuca Fittings is a leading supplier of Hastelloy Pipe Fittings in Kuala lumpur, Malaysia. 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 Pipe Fittings from Machuca 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.
Hastelloy pipe fittings offer numerous advantages, including outstanding corrosion resistance against harsh chemicals, oxidizing agents, and reducing environments. They excel in high-temperature applications and provide exceptional durability and strength, ensuring long-lasting performance. Hastelloy resists stress corrosion cracking, pitting, and crevice corrosion, making it ideal for demanding industries like chemical processing, marine engineering, and power generation. Their superior weldability and fabrication ease enable precise custom solutions. With a proven ability to withstand extreme conditions, Hastelloy pipe fittings are a reliable choice for critical applications requiring high performance and dependability.
Yes, custom sizes for Hastelloy Pipe Fittings are available at Machuca Fittings. We offer tailored solutions to meet your specific requirements, ensuring optimal performance for your projects. For more information, please contact us at sales@machucafittings.com.
Hastelloy Pipe Fittings find extensive use in industries that demand exceptional corrosion resistance, mechanical strength, and durability. In chemical processing plants, they are essential for piping systems that handle oxidizing and reducing acids, chlorides, and other aggressive chemicals. The petrochemical and refinery sectors rely on them for high-pressure, high-temperature process units. Marine applications benefit from their ability to resist seawater and brine corrosion. Power generation facilities utilize these fittings in heat exchangers, condensers, and high-temperature piping systems. The combination of corrosion resistance and mechanical strength makes them a go-to choice for demanding environments.
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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