Chuck Metals stands out as a leading manufacturer and supplier of Alloy 20 Round Bars in Singapore, Pulau Ujong, catering to a diverse array of industries with their precision-engineered and corrosion-resistant alloy products. These Alloy 20 round bars are celebrated for their remarkable resistance to sulfuric acid and harsh environments, making them perfect for the chemical and food processing sectors. Chuck Metals is committed to high-quality production that meets ASTM, ASME, and other international standards. Their Alloy 20 bars come in various sizes, surface finishes, and custom specifications, making them ideal for demanding applications that require strength, durability, and a long service life.
Alloy 20, often referred to as Carpenter 20, typically contains 32–38% nickel, 19–21% chromium, 3–4% copper, 2–3% molybdenum, and trace amounts of niobium to enhance the alloy’s stability. It boasts a tensile strength of about 620 MPa, a yield strength of around 275 MPa, and an elongation of 30–35%. This unique blend of elements ensures outstanding resistance to pitting, crevice corrosion, and stress corrosion cracking, particularly in aggressive chemical environments like sulfuric acid.
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 applications in chemical processing, pharmaceuticals, petrochemical plants, power generation, food and dye production, and marine industries. Their ability to withstand acidic conditions, especially sulfuric acid, makes them a go-to choice for heat exchangers, mixing tanks, process piping, storage tanks, valves, and fasteners. With excellent formability, weldability, and long-lasting durability, these bars are a top pick for high-demand applications where both corrosion resistance and mechanical strength are essential.
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Chuck Metals is a leading manufacturer, supplier, and exporter of high-quality bars, rods, and forgings, catering to various industries in Singapore, Singapore
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