Sadiki Metals, located in Kinshasa, Congo, stands out as a top manufacturer and supplier of Alloy 20 Forgings, recognized for providing outstanding corrosion-resistant solutions across various industrial sectors. With a strong focus on quality and precision, Sadiki Metals crafts Alloy 20 forgings that adhere to international standards, serving industries like chemical processing, pharmaceuticals, food, and petrochemicals. By utilizing cutting-edge manufacturing techniques and skilled craftsmanship, the company guarantees consistent reliability, strength, and performance in its products. Sadiki Metals is dedicated to enhancing its reputation as a trusted source of high-quality Alloy 20 forged components in both domestic and international markets.
Alloy 20 Forgings are primarily made up of nickel, iron, and chromium, with added copper and molybdenum. The typical makeup consists of about 32–38% Ni, 19–21% Cr, 2–3% Mo, 3–4% Cu, along with trace amounts of Mn, Si, and Nb. This distinctive blend offers remarkable resistance to sulfuric acid and chloride stress corrosion cracking. In terms of mechanical properties, Alloy 20 boasts a tensile strength of around 620 MPa, a yield strength of 300 MPa, and impressive ductility, with elongation reaching up to 30%, ensuring durability and long-lasting performance even in tough conditions.
| Specifications | ASTM B462, ASME SB462 |
|---|---|
| Standard | DIN, ASTM, BS and all International Standards |
| Flat bar blocks | up to 27″ width and 15,000 lbs |
| Cylinders and sleeves | up to 50″ maximum O.D. and 65″ maximum length |
| Discs and hubs | up to 50″ diameter and 20,000 lbs |
| Rolled, hand forged or mandrel forged rings | up to 84″ maximum O.D. and 40″ maximum length |
| Rounds, shafts and step shafts | up to 144″ maximum length and 20,000 lbs |
| Forging Types | Impression Die Forging, Open Die Forging, Seamless Rolled Forging, Hot Forging, Cold Forging, Open die hammer forging, Impression die drop forging, Closed Die Forging, Press Forging, Upset Forging, Compression Forging, Swaging, Rotary Forging, Roll forging. |
| 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 % |
| STANDARD | WERKSTOFF NR. | UNS | EN | AFNOR |
| Alloy 20 | 2.4660 | N08020 | NiCr20CuMo | Z2NCUD31-20AZ |
Yes, Alloy 20 forgings are highly resistant to corrosion, particularly against sulfuric acid, making them ideal for chemical processing environments. Their excellent resistance ensures durability and longevity in harsh conditions.
The maximum operating temperature for Alloy 20 forgings is typically around 1000°F (537°C). However, it is important to consider application conditions and potential stress factors to ensure optimal performance.
Yes, Alloy 20 forgings can be customized for specific applications. They are tailored to meet unique requirements, offering excellent corrosion resistance, durability, and strength for various industrial uses.
Alloy 20 Forgings find extensive use in industries that require exceptional resistance to chemical attacks and corrosion. They are particularly well-suited for sulfuric acid processing, chemical and pharmaceutical manufacturing, food processing, and power generation. Common applications include pumps, valves, fasteners, heat exchangers, fittings, and pressure vessels that operate in highly corrosive environments. The alloy’s unique combination of strength, formability, and corrosion resistance makes it especially valuable in marine, petrochemical, and refinery systems. With Alloy 20 forgings from Sadiki Metals, you can expect longevity, lower maintenance costs, and reliable performance in challenging industrial and chemical processing settings.
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Sadiki Metals is a leading manufacturer, supplier, and exporter of high-quality bars, rods, and forgings, catering to various industries in Kinshasa, Congo
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