Isis Metals, a top-notch manufacturer and supplier located in Manila, Philippines, specializes in high-quality Alloy 20 Forgings that are celebrated for their remarkable corrosion resistance and mechanical strength. Crafted with cutting-edge forging techniques and premium raw materials, these forgings promise exceptional durability and reliability, even in the toughest chemical and industrial settings. With a commitment to rigorous quality control and compliance with international standards, Isis Metals delivers products that are perfect for critical applications. Alloy 20 Forgings are particularly suited for industries like chemical processing, pharmaceuticals, petrochemicals, and food processing, where resistance to sulfuric acid, chloride stress corrosion, and oxidizing agents is crucial for long-lasting performance.
Alloy 20 Forgings are made up mainly of nickel (32–38%), chromium (19–21%), and copper (3–4%), along with molybdenum (2–3%) and small amounts of iron and carbon. This unique blend gives them excellent resistance to both oxidizing and reducing acids, especially sulfuric acid. Alloy 20 boasts a tensile strength of up to 655 MPa, a yield strength of around 275 MPa, and an elongation of 35%. The material is known for its toughness, ductility, and weldability, ensuring it maintains its structural integrity even under high-stress and corrosive conditions, making it perfect for heavy-duty forged components in chemically aggressive environments.
| 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 demand top-tier corrosion resistance and mechanical strength. They’re commonly found in chemical processing equipment like valves, pumps, flanges, and reactors that come into contact with sulfuric and other harsh acids. In the pharmaceutical and food processing industries, Alloy 20 guarantees durable and contamination-free components. The petrochemical sector relies on these forgings for pipelines, pressure vessels, and heat exchangers. Their blend of toughness and corrosion resistance also makes them ideal for applications in challenging environments.
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Isis Metals is a leading manufacturer, supplier, and exporter of high-quality bars, rods, and forgings, catering to various industries in Manila, Philippines
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