Zain Fittings, located in Surabaya, Indonesia, has earned a solid reputation as a reliable manufacturer and supplier of top-notch Alloy 20 Forged Fittings. These fittings are celebrated for their outstanding corrosion resistance, durability, and precision engineering, all crafted to meet international quality standards. By employing cutting-edge forging techniques and rigorous quality control measures, Zain Fittings ensures that their products boast excellent mechanical properties and long-lasting performance. They cater to various industries, including chemical processing, petrochemical, power generation, and marine engineering, providing Alloy 20 Forged Fittings that can endure highly corrosive environments while maintaining strength, reliability, and operational efficiency.
| Forged Fittings Specifications | ASTM B462/ ASME SB462 |
|---|---|
| Alloy 20 Forged Fittings size | 1/8” NB to 4” NB (Socketweld & Screwed-Threaded) |
| Alloy 20 Forged Fittings Dimensions | ASME 16.11, MSS SP-79, 83, 95, 97, BS 3799 |
| Alloy 20 Forged Fittings Types | Socketweld Fittings, Screwed-Threaded Fittings |
| ASTM B462 Alloy 20 Forged Fittings Pressure Rating | Threaded End-2000lb/ 3000lb/ 6000lbs Socket-weld End-3000/ 6000/ 9000lbs |
| Alloy 20 Forged Fittings Thread | NPT, BSPT, BSPP |
| Alloy 20 Forged Fittings Test Certificates | EN 10204/3.1B Raw Materials Certificate 100% Radiography Test Report Third Party Inspection Report, etc |
| Nickel Alloy 20 Forged Fittings Origin & Mills | Japanese, Indian, USA, Korean, European, Ukraine, Russian |
| Specialized manufacturer of | 90º Elbows, 45º Elbows, Tees, Cross, Couplings, Reducers, Inserts, Caps, Nipples, and Unions, Forged Pipe Fittings, Socket Weld & Threaded, Equal Tees & Reducing Tees, 90° & 45° Elbows, Plugs |
Alloy 20 Forged Fittings are crafted from a nickel-iron-chromium alloy enriched with molybdenum and copper, providing superior resistance to corrosion, especially in acidic environments. The typical composition includes Nickel (32-38%), Chromium (19-21%), Molybdenum (2-3%), Copper (3-4%), and Iron as the balance, with trace elements like Carbon, Manganese, and Silicon. they exhibit excellent strength and ductility, with a tensile strength of 550 MPa (min), yield strength of 240 MPa (min), and elongation of 30% (min). This combination ensures durability and performance in aggressive industrial settings.
| 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 % |
Alloy 20 Forged Fittings are primarily made up of nickel, chromium, and copper, with a blend of other elements like molybdenum, iron, and manganese. This carefully crafted composition offers remarkable resistance to sulfuric acid and other harsh chemical environments, along with impressive tensile strength and toughness. Typically, these fittings showcase a tensile strength ranging from 550 to 750 MPa, yield strength between 300 and 450 MPa, and an elongation of 25 to 35%. They are known for their excellent weldability, formability, and resistance to pitting and stress corrosion cracking, making them perfect for demanding industrial applications.
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 Forged Fittings from Zain 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 Forged Fittings offer exceptional advantages, particularly in challenging industrial environments. They provide outstanding resistance to corrosion, especially against sulfuric, phosphoric, and nitric acids, making them ideal for chemical and pharmaceutical industries. Their excellent mechanical properties ensure high strength, durability, and ease of fabrication. With superior resistance to pitting, crevice corrosion, and stress corrosion cracking, they excel in harsh environments like marine and petrochemical applications. Additionally, their ability to maintain performance across a wide temperature range enhances reliability, ensuring a cost-effective, long-lasting solution for demanding industrial processes.
| ASTM B462 / B462M | Forged Fittings and valves and parts for high temperature service. Standard Specification for Wrought Austenitic Alloy 20 Forged Fittings |
| BS21 | Threading. |
| BS3799 | Specification for Steel pipe fittings, screwed and Socket-welding for the petroleum industry |
| ANSI B16.11 | Forged steel fittings socket-welding and threaded. Socket Welding and Threaded Forged Fittings |
| ANSI/ASME B1.20.1 | Pipe threads, general purpose (inch). |
| ISO 4144 | Alloy 20 fittings threaded to ISO 7-1. |
| MSS SP-95 | Swage(d) Nipples and Bull Plugs |
| Products | Size | |
|---|---|---|
| ASTM B462 Alloy 20 90° Elbow | ASTM B462 Alloy 20 45° Elbow | Sizes 1/8″– 4″ Pressure Ratings – 2000 LBS, 3000 LBS, 6000 LBS, 9000 LBS |
| ASTM B462 Alloy 20 Forged Tee | ASTM B462 Alloy 20 Union | |
| ASTM B462 Alloy 20 Forged Cross | ASTM B462 Alloy 20 Insert | |
| ASTM B462 Alloy 20 Screwed Bushing | ASTM B462 Alloy 20 Threaded Pipe Nipple | |
| ASTM B462 Alloy 20 Forged Socket weld Cap | ASTM B462 Alloy 20 Screwed Coupling | |
| ASTM B462 Alloy 20 Forged Plug | ASTM B462 Alloy 20 Street Elbow | |
Yes, custom sizes for Alloy 20 Forged Fittings are available at Zain Fittings. We offer tailored solutions to meet your specific requirements, ensuring optimal performance for your projects. For more information, please contact us at sales@zainfittings.id.
These Alloy 20 Forged Fittings find extensive use in industries that need corrosion-resistant and high-strength piping solutions. You’ll often see them in chemical processing equipment, acid handling systems, desalination plants, pharmaceutical manufacturing, and marine applications. They’re also well-suited for pressure vessels, pipelines, and heat exchangers that operate in aggressive chemical environments. The combination of strength, corrosion resistance, and a long service life makes these fittings an ideal choice for critical industrial applications where durability, safety, and efficiency are paramount.
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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