Marcus Metals is a leading manufacturer and supplier of high-quality metal products located in Abuja, Nigeria. With its many years of experience in the sector, the company can be regarded as a prime manufacturer of different types of metal alloys, such as Alloy 20 forgings. This is an alloy that has extraordinary resistance to corrosion in aggressive environments, making it a great fit for any applications – chemical, pharmaceutical, food processing, etc. Marcus Metals guarantees the precision and durability of their Alloy 20 forgings to satisfy clients’ requirements for reliable, high-performance materials. Quality, competitive pricing, and timely delivery have given them a strong reputation in the market.
Alloy 20 forgings shall contain approximately 20% nickel, 35% iron, 3% chromium, 2% molybdenum, 1-4% copper, manganese (1-2%), silicon (0.5%), carbon ( 0.05%). These properties provide excellent corrosion resistance, especially in acidic environments. Mechanical properties of alloy 20 include 75-100 ksi (515-690 MPa) tensile strength, 30-50 ksi (210-345 MPa) yield strength, and 30-40% elongation The alloy hardness ranges from 200 to 250 HB for strength , ductility, corrosion resistance and proper balance is achieved, . so that chemicals, pharmaceuticals, are ideal for complex applications in the food industry
| 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 are used in industries that require high corrosion resistance and durability. It is especially used in chemical, pharmaceutical, and food processing industries. It is resistant to sulfuric acid and other aggressive chemicals, which makes it ideal for applications in heat exchangers, pumps, valves, and piping systems. Alloy 20 forgings are also used in the production of pressure vessels, reactors, and tanks in environments involving strong acids. The alloy has high strength, with resistance to pitting and crevice corrosion, which gives it a long life and reliability in harsh industrial conditions. It is also used in aerospace, marine, and power generation sectors.
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Maduka Metals is a leading manufacturer, supplier, and exporter of high-quality bars, rods, and forgings, catering to various industries in Abuja, Nigeria
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