Luke Steel stands out as a top-notch manufacturer and supplier located in Houston, USA, focusing on high-quality Hastelloy Buttweld Fittings that are designed to offer exceptional corrosion resistance and reliable performance, even in the harshest chemical environments. These fittings are crafted to meet strict ASME and ASTM standards and come in a variety of grades, including Hastelloy C22, C276, B2, and X, ensuring they meet a wide range of process needs. Available in different sizes, schedules, and configurations—like elbows, tees, reducers, and caps—Hastelloy Buttweld Fittings provide leak-tight, high-integrity connections. Industries such as chemical processing, pharmaceuticals, oil and gas, and pollution control count on Luke Steel for consistent quality and reliable supply.
| Standards | ASTM B366 / ASME SB366 |
| Dimensions | ASME/ANSI B16.9, ASME B16.28, MSS-SP-43, BS4504, BS4504, BS1560, BS10 |
| Size |
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| Type | Seamless / Welded / Fabricated |
| Thickness | SCH10, SCH20, SCH30, STD SCH40, SCH60, XS, SCH 80, SCH 100, SCH 120, SCH 140, SCH 160, XXS available with NACE MR 01-75 |
| Bending Radius | R=1D, 2D, 3D, 5D, 6D, 8D, 10D or Custom |
Hastelloy Buttweld Fittings are made from nickel-molybdenum-chromium alloys, featuring a high nickel content (up to about 60%), along with chromium (around 20–23%) and molybdenum (approximately 13–17%), depending on the specific grade. This unique composition gives them remarkable resistance to pitting, crevice corrosion, and stress corrosion cracking in both oxidizing and reducing environments. Their tensile strength ranges from 690 to 800 MPa, and they maintain excellent ductility and toughness, even at elevated temperatures up to about 1040 °C (1900 °F). Hastelloy remains structurally sound and corrosion-resistant in highly corrosive acids, chlorides, and other aggressive chemicals, making it the go-to material for critical service applications.
| ASME B16.9 ASTM B366 Hastelloy Fittings | Factory-Made Wrought Buttwelding Fittings | Long Radius Elbows, Long Radius Reducing Elbows, Long Radius Returns, Short Radius Elbows, Short Radius 180-deg Rerurns, 3D elbows, Straight Tees, Straight Crosses, Reducing Outlet Tees, Reducing Outlet Crosses, Lap Joint Stub Ends, Caps, Reducers |
| ASME B16.28 | Short Radius Elbows, Short Radius 180-deg Returns | |
| MSS SP43 | Wrought and Fabricated Butt-Welding Fittings for Low Pressure, Corrosion Resistant Applications | Long Radius Elbows, Straight and Reducing-on-the-Outlet Tees, Lap Joint Stub ends, caps, long radius 180 Degree returns, concentric reducers, eccentric reducers |
| MSS SP75 | Long Radius Elbows, 3R elbows, straight tees, reducing outlet tees, caps, reducers |
Harry Fittings is a leading supplier of Hastelloy Buttweld Fittings in Houston, USA. 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.
| All Fittings | 90°and 45° Ells and Tees | Reducers and Lap Joint Stub | Caps | 180° Returns | Angularity Tol | |||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Nominal Pipe Plane Size (NPS) | Outside(1) Diameter at Bevel | Inside(1) Diameter at End | Wall(2) Thickness | Centre-to- End Dimension A,B,C,M | Overall Length L | Overall Length E | Centre-to- Centre Dimension O | Back-to- Face Dimension K | Alignment at Ends U | Nominal Pipe SIze | Off Angle Q | Off Angle P |
| 1/2 TO 2-1/2 | +1/16 | ±1/32 | Not less than 87-1/2% of Normal Thickness | ±1/16 | ±1/16 | ±1/8 | ±1/4 | ±1/4 | ±1/32 | 12 to 4 | 1/32 | 1/16 |
| -1/32 | 5 to 8 | 1/16 | 1/8 | |||||||||
| 3 TO 3-1/2 | ±1/16 | ±1/16 | ±1/16 | ±1/16 | ±1/8 | ±1/4 | ±1/4 | ±1/32 | 10 to 12 | 3/32 | 3/16 | |
| 4 | ±1/16 | ±1/16 | ±1/16 | ±1/16 | ±1/8 | ±1/4 | ±1/4 | ±1/32 | 14 to 16 | 3/32 | 1/4 | |
| 5 TO 8 | +1/32 | ±1/16 | ±1/16 | ±1/16 | ±1/4 | ±1/4 | ±1/4 | ±1/32 | 18 to 24 | 1/8 | 3/8 | |
| -1/16 | ||||||||||||
| 10 TO 18 | +1/16 | ±1/8 | ±3/32 | ±3/32 | ±1/4 | ±3/8 | ±1/4 | ±1/16 | All dimensions are in inches | |||
| -1/8 | ||||||||||||
| 20 TO 24 | +1/4 | ±3/32 | ±3/32 | ±3/32 | ±1/4 | ±3/8 | ±1/4 | ±1/16 | ||||
| -3/32 | ||||||||||||
Hastelloy Buttweld Fittings from Harry 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 buttweld fittings are widely used in industries requiring superior corrosion resistance and durability. They are essential in chemical processing plants for handling highly corrosive substances like acids and solvents. In the petrochemical industry, they are used for transporting hydrocarbons under extreme temperatures and pressures. These fittings are also employed in marine environments to resist saltwater corrosion, as well as in power generation, pharmaceuticals, and aerospace for their reliability in harsh conditions. Their versatility makes them ideal for critical piping systems in demanding applications.
Yes, custom sizes for Hastelloy Buttweld Fittings are available at Harry Fittings. We offer tailored solutions to meet your specific requirements, ensuring optimal performance for your projects. For more information, please contact us at sales@harryfittings.us.
Hastelloy pipe fittings are widely used in industries requiring superior corrosion resistance and durability. They are essential in chemical processing plants for handling aggressive chemicals and acids. In the marine industry, Hastelloy fittings provide resilience against seawater corrosion, while in power generation, they ensure reliability in high-temperature environments. These fittings are also employed in aerospace for critical components and in pharmaceuticals to maintain hygienic and contamination-free systems. Their versatility and strength make them ideal for challenging applications in both oxidizing and reducing conditions.
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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