Neith Metals, located in Cairo, Egypt, has earned a solid reputation as a reliable manufacturer and supplier of top-notch Alloy 20 Round Bars. With a strong focus on precision engineering and dependable performance, Neith Metals provides corrosion-resistant solutions that cater to the needs of various industrial sectors. Their Alloy 20 Round Bars are celebrated for their durability and exceptional finish, produced to meet international standards and available in a range of dimensions and grades. Whether serving local or international markets, Neith Metals guarantees prompt delivery, competitive pricing, and technical support for customers in search of trustworthy nickel-iron-chromium alloy bars for demanding applications.
Alloy 20 Round Bars primarily consist of nickel (32–38%), iron (the balance), chromium (19–21%), and molybdenum (2–3%), with added copper (3–4%) and trace amounts of niobium for stabilization. This unique composition offers remarkable resistance to sulfuric acid and other harsh environments. In terms of mechanical properties, Alloy 20 boasts a tensile strength of about 80 ksi (550 MPa), a yield strength of 35 ksi (240 MPa), and an elongation of roughly 30%. The alloy is also known for its excellent weldability, formability, and impact resistance, making it a great fit for heavy-duty industrial applications.
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 where corrosion resistance, particularly against sulfuric acid, is crucial. They are commonly used in chemical and petrochemical processing, pharmaceutical manufacturing, food processing, and marine environments. These bars are perfect for constructing heat exchangers, tanks, piping systems, reactors, and pumps. Their outstanding resistance to chloride stress corrosion cracking and crevice corrosion makes them a reliable choice in aggressive settings. Additionally, Alloy 20’s machinability and weldability enhance its versatility in complex assemblies, making it a favored material for engineers and manufacturers who prioritize performance, durability, and long-term operational efficiency.
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Neith Metals is a leading manufacturer, supplier, and exporter of high-quality bars, rods, and forgings, catering to various industries in Alexandria, Egypt
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