Nguyen Fittings and Plates is a reputable manufacturer and exporter of Alloy 20 Buttweld Fittings, Da Nang, Vietnam. They are professionals in manufacturing high-quality buttweld fittings from Alloy 20, a nickel-iron-chromium alloy with superior resistance to sulfuric acid and other hostile chemicals. With cutting-edge manufacturing techniques and rigorous quality assurance, Nguyen Fittings and Plates supplies chemical processing, pharmaceutical, power generation, and petrochemical industries. Their Alloy 20 Buttweld Fittings are made to be dependable and long-lasting even under highly corrosive conditions.
| 20 Pipe Fittings Specifications | ASTM B366/ ASME SB366 |
|---|---|
| Alloy 20 Pipe Fittings size | 20 Seamless Butt Weld Fittings : 1/2″ – 10″ 20 Welded Butt Weld Fittings : 1/2″ – 48″ |
| Alloy 20 Pipe Fittings Dimensions | ASME/ANSI B16.9, ASME B16.28, MSS-SP-43, BS4504, BS4504, BS1560, BS10 |
| Alloy 20 Buttweld Fittings 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 |
| 20 Buttweld Pipe FittingsType | DN15-DN1200 |
| ASTM B366 20 Buttweld Fitting Connection | Welding |
| Bending Radius | R=1D, 2D, 3D, 5D, 6D, 8D, 10D or Custom ASTM B366 Alloy 20 Pipe Fitting |
| Size Range | ½” NB to 24″ NB in Sch 10s, 40s, 80s, 160s, XXS. (DN6~DN100) ASTM B366 20 Buttweld Fitting |
| ASTM B366 20 Buttweld Fittings Manufacturing process | Push, Press, Forge, Cast, etc. |
| Alloy 20 Buttweld Pipe Fittings Test Certificates | EN 10204/3.1B Raw Materials Certificate 100% Radiography Test Report Third Party Inspection Report, etc |
| SA 366 20 Pipe Fittings Origin & Mills | Japanese, Indian, USA, Korean, European, Ukraine, Russian |
| Specialized manufacturer of | Alloy UNS N08020, 90º Elbows, 45º Elbows, Tees, Cross, Reducer, Pipe Cap, Stub End, Pipe Bend |
Alloy 20 Buttweld Fittings consist mainly of nickel, chromium, iron, copper, and molybdenum, which make them resistant to pitting, crevice corrosion, and stress corrosion cracking. They have very good mechanical properties with high tensile strength and good ductility and have tensile strengths that range around 550 MPa. The alloy remains stable in reducing and oxidizing environments and is suited to deal with sulfuric acid and other chemicals.
| Grade | C | Mn | Si | S | Cu | Ni | Cr | Fe | Mo | P |
| Alloy 20 | 0.07 max | 2.00 max | 1.00 max | 0.035 max | 3.00 – 4.00 | 32.00 – 38.00 | 19.00 – 21.00 | 29.85 min* | 2.00 – 3.00 | 0.045 max |
| Element | Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| Alloy 20 | 8.1 g/cm3 | 1443 °C (2430 °F) | Psi -80,000, MPa -551 | Psi – 35,000, MPa – 241 | 30 % |
Nguyen Fittings is a leading supplier of Alloy 20 Buttweld Fittings in Da Nang, Vietnam. 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.
| STANDARD | WERKSTOFF NR. | UNS | EN | AFNOR |
| Alloy 20 | 2.4660 | N08020 | NiCr20CuMo | Z2NCUD31-20AZ |
Alloy 20 Buttweld Fittings from Nguyen 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.
Alloy 20 Buttweld Fittings offer several key advantages, making them ideal for demanding applications. Their exceptional corrosion resistance, particularly to sulfuric acid and other aggressive chemicals, ensures long-lasting durability in harsh environments. Alloy 20 provides excellent mechanical properties, such as high strength, enhanced stress corrosion cracking resistance, and superior weldability. These fittings are highly resistant to pitting and crevice corrosion, making them ideal for industries like chemical processing, pharmaceuticals, and food processing. Their reliability and performance in extreme conditions reduce maintenance costs and extend the lifespan of piping systems.
| Standard Code | Standard Name |
| ANSI ASME SA-366 | Forged Durimet pipe fittings |
| ANSI ASME B16.9 | Factory-Made wrought steel pipe fittings |
| ANSI ASME B16.28 | Wrought steel butt-welding short radius elbows and returns |
| ISO 5251 | Alloy butt-welding fittings |
| MSS SP-43 | Wrought Alloy butt-welding fittings |
| MSS SP-75 | Forging butt-welding fittings |
| German Steel Pipe Fittings Standard | |
| DIN 2605 | Steel butt-welding pipe fittings.elbows and bends |
| DIN 2615 | Steel butt-welding pipe fittings.tees |
| DIN 2616 | Steel butt-welding pipe fittings.reducers |
| DIN 2617 | Steel butt-welding pipe fittings.caps |
| Japanese Steel Pipe Fittings Standard | |
| JIS B2311 | Universal steel butt-welding pipe fittings |
| JIS B2312 | Steel butt-welding pipe fittings |
| JIS B2313 | Steel plate butt-welding pipe fittings |
| Other Steel Pipe Fittings Standard | |
| EN 1025 | 3 Butt-welding pipe fittings |
Yes, custom sizes for Alloy 20 Buttweld Fittings are available at Nguyen Fittings. We offer tailored solutions to meet your specific requirements, ensuring optimal performance for your projects. For more information, please contact us at sales@nguyenfittings.com.
Alloy 20 Buttweld Fittings find extensive applications in those industries that need high corrosion resistance and mechanical properties. Applications range from sulfuric acid production, chemical plants, drug production, pollution control systems, to food processing. Alloy 20 Buttweld Fittings can tolerate hostile chemical environments without compromising structural strength, which makes them an ideal selection for critical piping systems under heavily corrosive 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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