Starc Metals is a well-respected manufacturer and supplier located in Canberra, Australia, known for providing top-notch metal products that meet the needs of various industries. One of their standout offerings is the Alloy 20 Round Bar, celebrated for its remarkable performance and resistance to corrosion. Crafted to adhere to international standards, Starc Metals guarantees meticulous engineering, rigorous quality control, and competitive pricing, making them a go-to supplier for clients throughout Australia and beyond. Whether it’s for marine, chemical, or food processing sectors, the Alloy 20 Round Bar from Starc Metals delivers reliability, strength, and durability, even in the toughest environments and specialized applications.
The Alloy 20 Round Bar is an austenitic alloy made from nickel, iron, and chromium, with added copper and molybdenum to enhance its ability to resist sulfuric acid corrosion. Typically, its composition features 32–38% nickel, 19–21% chromium, 3–4% copper, 2–3% molybdenum, along with trace amounts of carbon, manganese, and silicon. In terms of mechanical properties, it boasts a tensile strength of around 80 ksi (550 MPa), a yield strength of about 35 ksi (240 MPa), and an elongation of roughly 30%. These characteristics make Alloy 20 both robust and ductile, ensuring it performs reliably under high-stress and corrosive conditions.
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 Bar finds its place in industries that require exceptional corrosion resistance and mechanical strength. It’s primarily used in equipment for sulfuric acid processing, as well as in the chemical and petrochemical sectors, pharmaceutical manufacturing, food and beverage processing, and marine applications. Common uses include the production of heat exchangers, mixing tanks, pumps, valves, and pickling equipment. Its ability to resist chloride stress corrosion cracking and general corrosion makes it perfect for harsh and acidic environments. With its durability and minimal maintenance requirements, Alloy 20 proves to be a cost-effective option for long-term installations that face aggressive chemical processes.
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Starc Metals is a leading manufacturer, supplier, and exporter of high-quality bars, rods, and forgings, catering to various industries in Canberra, Australia
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