Petrochemical Industries
Omaa Metal Sources is ANSI/ASME B16.5 Alloy 20 Round Bars Exporters and Suppliers in the US, UK, South Africa, Saudi Arabia, Singapore, UAE, Oman, South Korea, Turkey, Bahrain, Malaysia, Philippines, Thailand, Norway, Indonesia, Iraq, Yemen, Bangladesh, Nigeria, Egypt, Peru, Ghana, Morocco, Etc.
UNS N08020 Bars, Alloy 20 Round Bar, Carpenter 20 Round Bars, Alloy 20 Bright Bars Supplier, 2.4660 Rods, Alloy 20Cb-3® Bar, ASTM B473 Alloy 20 Round Bars Manufacturer in India.
Alloy 20 round bars are a type of metal bar made from Alloy 20, which is a nickel-chromium-molybdenum stainless steel alloy. These round bars are known for their exceptional resistance to corrosion, especially in sulfuric acid environments.
Alloy 20 round bars are typically used in a variety of applications that require high resistance to corrosion, such as chemical processing, food processing, and pharmaceuticals. They are also used in industries such as petrochemicals, power generation, and marine engineering.
Alloy 20 round bars are available in different sizes and dimensions, and they can be customized to meet specific requirements. They are also available in different finishes, such as polished, cold-drawn, and centerless ground.
When selecting Alloy 20 round bars, it is important to consider factors such as the application, operating conditions, and required mechanical properties. It is also important to purchase Alloy 20 round bars from reputable suppliers who can provide high-quality products that meet industry standards.
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Q: What is Alloy 20?
A: Alloy 20, also known as Carpenter 20, is a nickel-iron-chromium-based alloy that offers excellent resistance to corrosion, pitting, and crevice corrosion. It also provides good mechanical properties and is highly resistant to sulfuric acid.
Q: What is an Alloy 20 Round Bar?
A: An Alloy 20 Round Bar is a solid cylindrical bar made from Alloy 20. It is manufactured to have a consistent diameter throughout its length and is typically used in applications that require corrosion resistance, such as chemical processing, food processing, pharmaceuticals, and marine environments.
Q: What are the benefits of using Alloy 20 Round Bar?
A: Alloy 20 Round Bars offer exceptional resistance to various corrosive environments, including sulfuric acid, nitric acid, and chloride-containing media. They have excellent mechanical properties, including high tensile strength and good impact strength. Alloy 20 Round Bars are also easy to fabricate, weld, and form.
Q: What industries commonly use Alloy 20 Round Bars?
A: Alloy 20 Round Bars find applications in a wide range of industries, including chemical processing, pharmaceuticals, food processing, oil and gas, power generation, marine, and pulp and paper. They are particularly suitable for equipment and components that come into contact with corrosive substances.
Q: What are the typical sizes and dimensions of Alloy 20 Round Bars?
A: Alloy 20 Round Bars are available in various sizes and dimensions, ranging from small diameters of 1/4 inch (6.35 mm) to larger diameters of 12 inches (304.8 mm) or more. The length of the bars can vary, commonly ranging from 12 feet (3.66 meters) to 20 feet (6.1 meters), but custom lengths can also be obtained.
Q: How can Alloy 20 Round Bars be used?
A: Alloy 20 Round Bars are often used to fabricate components such as shafts, valves, fittings, flanges, fasteners, and heat exchangers. They can be machined, forged, welded, and formed into various shapes according to specific project requirements.
Q: What are the key features of Alloy 20 Round Bars?
A: Alloy 20 Round Bars possess exceptional corrosion resistance, high mechanical strength, and good fabricability. They exhibit resistance to stress corrosion cracking and have excellent resistance to sulfuric acid environments, making them a popular choice for demanding applications.
Q: How is Alloy 20 Round Bar different from other alloys?
A: Alloy 20 Round Bars stand out due to their superior resistance to sulfuric acid, which is highly corrosive to most metals. Additionally, they offer better corrosion resistance in chloride environments compared to stainless steels such as 316L. The combination of corrosion resistance and mechanical properties makes Alloy 20 an excellent choice for many applications.
Q: What certifications or specifications should be considered when purchasing Alloy 20 Round Bars?
A: When purchasing Alloy 20 Round Bars, it is important to ensure they meet industry standards such as ASTM B473 (Bar) or ASME SB473 (Bar). Additionally, certifications such as Material Test Reports (MTRs) and third-party inspection reports can provide assurance of the material’s quality and compliance with specifications.
Alloy 20 Round Bars Specifications
Size Range
12 mm - 46 mm (1/2 inch- 1 ¾ inch)
Length
1 to 6 Meters, Custom Cut Lengths
Standards / Dimensions
EN, DIN, JIS, ASTM, BS, ASME, AISI
ASTM B473/ ASME SB473
Finish
Black, Bright Polished, Rough Turned, NO.4 Finish, Matt Finish, BA Finish
Form
Round, Square, Hex (A/F), Rectangle, Billet, Ingot, Forging Etc.
ASTM B473 Alloy 20 Round Bars Equivalent Grade
| STANDARD | UNS | WNR. | EN | AFNOR |
|---|---|---|---|---|
| Alloy 20 | N08020 | 2.4660 | NiCr20CuMo | Z2NCUD31-20AZ |
Carpenter 20 Round Bars Chemical Composition
| 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 |
ASTM B473 Alloy 20 Round Bars Mechanical Properties
| 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 % |
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Alloy 20Cb-3® Round Bar Dimensions
| Diameter or Width (mm) | Weight per meter | Sectional Area | Perimeter | |||
| Square (kg) | Round (kg) | Square (cm²) | Round (cm²) | Square (cm) | Round (cm) | |
| 5.0 | 0.20 | 0.15 | 0.25 | 0.20 | 2.0 | 1.57 |
| 5.5 | 0.24 | 0.19 | 0.30 | 0.24 | 2.2 | 1.78 |
| 6.0 | 0.28 | 0.22 | 0.36 | 0.28 | 2.4 | 1.88 |
| 7.0 | 0.38 | 0.30 | 0.49 | 0.38 | 2.8 | 2.20 |
| 8.0 | 0.50 | 0.39 | 0.64 | 0.50 | 3.2 | 2.51 |
| 9.0 | 0.64 | 0.50 | 0.81 | 0.64 | 3.6 | 2.83 |
| 10 | 0.73 | 0.63 | 1.00 | 0.79 | 4.0 | 3.14 |
| 11 | 0.95 | 0.75 | 1.21 | 0.95 | 4.4 | 3.46 |
| 12 | 1.13 | 0.89 | 1.44 | 1.13 | 4.8 | 3.77 |
| 14 | 1.54 | 1.21 | 1.96 | 1.54 | 5.6 | 4.40 |
| 16 | 2.01 | 1.58 | 2.56 | 2.01 | 6.4 | 5.03 |
| 18 | 2.54 | 2.00 | 3.24 | 2.54 | 7.2 | 5.65 |
| 20 | 3.14 | 2.47 | 4.00 | 3.14 | 8.0 | 6.28 |
| 22 | 3.80 | 2.98 | 4.84 | 3.80 | 8.8 | 6.91 |
| 25 | 4.91 | 3.85 | 6.25 | 4.91 | 10.0 | 7.85 |
| 28 | 6.15 | 4.83 | 7.84 | 6.16 | 11.2 | 8.80 |
| 32 | 8.04 | 6.31 | 10.24 | 8.04 | 12.8 | 10.05 |
| 36 | 10.17 | 7.99 | 12.96 | 10.18 | 14.4 | 11.31 |
| 40 | 12.56 | 9.86 | 16.00 | 12.57 | 16.0 | 12.57 |
| 45 | 15.90 | 12.49 | 20.25 | 15.90 | 18.0 | 14.14 |
| 50 | 19.62 | 15.41 | 25.00 | 19.64 | 20.0 | 15.71 |
| 56 | 24.62 | 19.34 | 31.36 | 24.63 | 22.4 | 17.59 |
| 63 | 31.16 | 24.47 | 36.69 | 31.17 | 25.2 | 19.79 |
| 71 | 39.57 | 31.08 | 50.41 | 39.59 | 28.4 | 22.31 |
| 80 | 50.24 | 39.46 | 64.00 | 50.27 | 32.0 | 25.13 |
Alloy 20 Hot Rolled Bar Weight Chart
| Diameter | Weight Chart | Dia | Weight Chart |
|---|---|---|---|
| (mm) | per metre (kg) | (in) | per metre (kg) |
| 3mm | 0.06 | 1/8″ | 0.06 |
| 4mm | 0.10 | 3/16″ | 0.14 |
| 5mm | 0.16 | 1/4″ | 0.25 |
| 6mm | 0.22 | 5/16″ | 0.39 |
| 7mm | 0.30 | 3/8″ | 0.56 |
| 8mm | 0.40 | 7/16″ | 0.77 |
| 10mm | 0.62 | 1/2″ | 1.00 |
| 12mm | 0.89 | 9/16″ | 1.22 |
| 14mm | 1.22 | 5/8″ | 1.56 |
| 15mm | 1.40 | 11/16″ | 1.89 |
| 16mm | 1.59 | 3/4″ | 2.25 |
| 18mm | 2.01 | 7/8″ | 3.07 |
| 20mm | 2.48 | 1″ | 4.03 |
| 22mm | 3.00 | ||
| 24mm | 3.57 | ||
| 25mm | 3.88 |
Alloy 20 Round Bar Size Chart
| Diameter | Diameter |
|---|---|
| (in) | (mm) |
| 1/8″ | 3mm |
| 3/16″ | 4mm |
| 1/4″ | 5mm |
| 5/16″ | 6mm |
| 3/8″ | 7mm |
| 7/16″ | 8mm |
| 1/2″ | 10mm |
| 5/8″ | 12mm |
| 3/4″ | 14mm |
| 7/8″ | 15mm |
| 1" | 16mm |
| 1.1/8″ | 20mm |
| 1.1/4″ | 22mm |
| 1.3/8″ | 25mm |
| 1.1/2″ | 30mm |
| 1.5/8″ | 32mm |
| 1.3/4″ | 35mm |
| 1.7/8″ | 40mm |
| 2" | 45mm |
| 2.1/8″ | 50mm |
| 2.1/4″ | 55mm |
| 2.3/8″ | 60mm |
| 2.1/2″ | 65mm |
| 2.3/4″ | 70mm |
| 3″ | 75mm |
| 80mm |
Alloy 20 Square Bar Surface finish
CD | Cold drawn | P | Polished |
BD | Bright drawn | SRE | Slit rolled edge |
CG | Centreless ground | HF | Hot finished |
CF | Cold finished | HRAP | Hot rolled annealed and pickled |
P&T | Peeled and turned | RT | Rough turned/peeled |
ST | Smooth turned | PR | Peeled and reeled |
Alloy 20 Hex Bar Sizes
Size (mm) | Weight (kg/m) | Size (mm) | Weight (kg/m) | Size (mm) | Weight (kg/m) |
|---|---|---|---|---|---|
7 x 7 | 0.337 | 19 x 19 | 2.479 | 38 x 38 | 9.916 |
8 x 8 | 0.44 | 20 x 20 | 2.747 | 40 x 40 | 10.988 |
9 x 9 | 0.556 | 21 x 21 | 3.029 | 42 x 42 | 12.114 |
10 x 10 | 0.687 | 22 x 22 | 3.324 | 45 x 45 | 13.906 |
11 x 11 | 0.831 | 24 x 24 | 3.956 | 48 x 48 | 15.822 |
12 x 12 | 0.989 | 25 x 25 | 4.292 | 50 x 50 | 17.168 |
13 x 13 | 1.161 | 26 x 26 | 4.642 | 53 x 53 | 19.29 |
14 x 14 | 1.346 | 28 x 28 | 5.384 | 55 x 55 | 20.774 |
15 x 15 | 1.545 | 30 x 30 | 6.181 | 60 x 60 | 24.723 |
16 x 16 | 1.758 | 32 x 32 | 7.032 | 65 x 65 | 29.015 |
17 x 17 | 1.985 | 34 x 34 | 7.939 | 70 x 70 | 33.65 |
18 x 18 | 2.225 | 36 x 36 | 8.9 | 75 x 75 | 38.629 |
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ASTM B473 Alloy 20 Round Bar Applications
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Petrochemical Industries
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Pharmaceutical Equipment
-
Power Generation
-
Heating Systems and Heat Exchanger
-
Pulp and Paper Industry
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Mining Support
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Chemical Equipment
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Gas Processing
-
Plumbing
-
Nuclear Power Systems
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Condensers
-
Sea Water Equipment
-
Buildings and Bridges
-
Industrial Water Lines
-
Food Processing Industry
-
Fire Protection Systems
-
Off-Shore Oil Drilling Companies
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