Tariku Metals, located in Addis Ababa, Ethiopia, stands out as a top manufacturer and supplier of premium metals, with a particular focus on Alloy 20 Round Bars. With a strong commitment to quality, Tariku Metals employs cutting-edge manufacturing methods alongside rigorous quality control measures to ensure their products meet global standards. Their Alloy 20 Round Bars are celebrated for their outstanding corrosion resistance, durability, and reliability, making them perfect for critical industrial uses. Catering to a variety of sectors such as chemical processing, pharmaceuticals, and marine engineering, Tariku Metals has built a reputation as a dependable partner for both local and international clients, offering precision-engineered solutions that guarantee long-lasting performance and safety.
Alloy 20 Round Bars are mainly made up of nickel, chromium, and copper, with molybdenum included to boost corrosion resistance, especially against sulfuric acid. This well-balanced composition provides excellent mechanical properties, such as high tensile strength, hardness, and ductility, along with remarkable resistance to pitting and crevice corrosion. The alloy remains stable even at high temperatures and in harsh chemical environments, making it a trustworthy choice for demanding applications. Its blend of toughness, formability, and resistance to stress corrosion cracking ensures reliable performance in both static and dynamic industrial settings.
Alloy 20 Round Bar Specification : ASTM B473 , ASME SB473
Dimension Standard : EN, DIN, JIS, ASTM, BS, ASME, AISI
Size : 14mm-300mm
Thickness : 50 mm to 6000 mm Long
Length : 1 To 6 Meters, Custom Cut Length
Form : Round, Square, Hex(A/F), Rectangle, Billet, Ingot, Forging Etc.
| 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 | UNS | WNR. | EN | AFNOR |
|---|---|---|---|---|
| Alloy 20 | N08020 | 2.4660 | NiCr20CuMo | Z2NCUD31-20AZ |
Type | SIZES (mm) | ISO Tolerance | SIZES (Inches) |
|---|---|---|---|
Peeled and Polished | 40.00 to 150.00 | h11-DIN 1013 | 1.50″ to 6.00″ |
Cold Drawn and Ground | 10.00 to 75.00 | h9-h8-h11-h10 | 5/6″ to 2.50″ |
Cold Drawn and Polish | 3.00 to 75.00 | h9-h8-h11-h10 | 1/8″ to 3.00″ |
Peeled and Ground | 20.00 to 50.00 | h10-h9-h11 | 3/4″ to 2.00″ |
Cut to size on request (tolerance +2/-0 mm). Standard lengths of Alloy 20 Bars 2000 mm up to 6000 mm available
50.0 | 6.0 |
65.0 | 9.0 |
55.0 | 7.0 |
45.0 | 5.0 |
70.0 | 10.0 |
60.0 | 8.0 |
75.0 | 12.0 |
90.0 | 20.0 |
80.0 | 16.0 |
130.0 | 30.0 |
100.0 | 25.0 |
160.0 | 35.0 |
120.0 | 40.0 |
Choose the right Alloy 20 Round Bar based on factors like corrosion resistance, strength requirements, and compatibility with your specific application environment.
The pressure rating of Alloy 20 Round Bar depends on factors such as size, temperature, and specific application conditions, typically determined through engineering calculations.
Yes, Alloy 20 Round Bar can be welded, offering excellent weldability with proper techniques.
Alloy 20 Round Bars find extensive use in industries that demand exceptional corrosion resistance and durability. They are perfect for chemical processing equipment, including reactors, heat exchangers, and storage tanks that come into contact with strong acids. The pharmaceutical and food processing sectors also benefit from Alloy 20’s ability to resist contamination and chemical damage. Furthermore, these bars are utilized in marine and desalination projects where chloride-induced corrosion poses a risk. They are also essential in oil and gas pipelines, as well as pulp and paper machinery.






We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Tariku Metals is a leading manufacturer, supplier, and exporter of high-quality bars, rods, and forgings, catering to various industries in Addis Ababa, Ethiopia
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