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UNS N08020 - Carpenter 20 CB-3

UNS N08020 - Carpenter 20 CB-3

UNS N08020 - Carpenter 20 CB-3 is an austenitic stainless steel designed to stand up to sulfuric acid and other acidic environments. It's stabilized to limit corrosion, while Columbium minimizes the formation of carbides during welding. Its mechanical properties and ease of fabrication make it an ideal choice for your industrial needs.

Equivalent grades

• UNS N08020
• Carpenter 20 CB-3
• NCF825
• W.Nr. 2.4660

Chemical Composition Reference


Physical Property Reference

• Density: 9.01 kg/m³

• Elongation: 30% min

• Tensile Strength: 627 MPa

• Yield Strength: 310 MPa

• Specific Heat Capacity: 0.500 J/g-°C

Stock & Dimensions

Our warehouse has a large number of stock to provide you with a variety of products in different sizes, and can also customize the size according to your needs.
• Bar: 0.5~600mm Diameter
• Coil: 0.5~150mm Thick
• Plate: 0.5~200mm Thick
• Pipe: 6~630mm External Diameter; 0.5~40mm Wall Tick
• Available in specific sizes

Product Forms

We provide you with a variety of product forms, including but not limited to:
• Bar/Rod
• Pipe/Tube
• Coil/Strip
• Plate/Sheet/Circle
• Wire
• Fitting (Flange, Elbow, Tee...)
• Customize

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UNS N08020 - Carpenter 20 CB-3

Essential details
UNS N08020 - Carpenter 20 CB-3 is a superalloy used in various industries, such as chemical, food, pharmaceutical, and plastic industries. This alloy offers an excellent balance of corrosion resistance and heightened mechanical properties. Additionally, Carpenter 20 CB-3 is known for its ease of fabrication.

Typical Applications:

- Synthetic rubber manufacturing equipment

- Processing of pharmaceuticals, plastics and organic and heavy chemicals

- Tanks, piping, heat exchangers, pumps, valves, and other process equipment

- Acid cleaning and pickling equipment

- Chemical process piping, reactor vessels

- Bubble caps

- Petrochemical process equipment

- Food and dye production

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