Alloy 20 Pipes, Plates and Sheets Manufacturer and Supplier
The UNS N08020 (Carpenter 20) or Alloy 20 is a high-performance nickel iron chromium alloy that has been modified to work better with sulfuric acid and other adverse chemical conditions. Stellar Alloys is a reputable producer and distributor of Alloy 20 pipes, plates, and sheets that are utilized in the chemical, pharmaceutical, fertilizer, and process industries of the globe.
Alloy 20 is a mixture of good mechanical strength, fabrication ability, and high level of corrosion resistance. It is more resistant to pitting, crevice corrosion and stress corrosion cracking than traditional stainless steels. All Stellar Alloys materials are made with international standards like ASTM and ASME standards, and come with complete traceability.
Table of Contents
- Alloy 20 Material Overview UNS N08020
- Alloy 20 Pipes and Tubes
- Alloy 20 Pipes and Tubes
- Chemical Composition of Alloy 20
- Mechanical Properties of Alloy 20
- Standards Specifications and Equivalent Grades
- Fabrication and Welding Characteristics
- Alloy 20 Pipes and Tubes Price
- Applications of Alloy 20 Pipes, Plates and Sheets
- Why Choose Stellar Alloys for Alloy 20 Pipes, Plates and Sheets
- Frequently Asked Questions
Available Grades of Alloy
Alloy 20 Material Overview UNS N08020
Alloy 20 is an austenitic nickel-iron-chromium alloy containing controlled amounts of copper and molybdenum. This material offers superior resistance to sulfuric acid over a large concentration and temperature scale.
This Alloy is stable in both oxidizing and reducing environments, which makes this material appropriate to chemical processing systems, as the cost of the material breaking down may cause expensive downtimes and safety concerns. Alloy 20 has great weldability and formability as well, which makes the alloy suitable for use in complex fabricated equipment.
Alloy 20 Pipes and Tubes
Alloy 20 Pipes and tubes find wide application in chemical process piping, heat exchangers, and pressure systems that contain corrosive media. Stellar Alloys will provide seamless and welded Alloy 20 pipes and tubes to be used in severe industries in adverse conditions.
Alloy 20 Pipes and Tubes Specifications
| Category | Details |
| Product Types | Seamless Pipes Welded Pipes Heat Exchanger Tubes |
| Applicable Standards | ASTM B729 ASME SB729 |
| Standards & Specifications | ASTM Standards ASME Boiler & Pressure Vessel Code International Specifications |
| Key Features | High resistance to sulfuric and phosphoric acids Excellent resistance to chloride stress corrosion cracking Good weldability using standard welding procedures Consistent dimensional accuracy |
| Typical Applications | Chemical processing pipelines Acid handling systems Heat exchangers and condensers Pollution control equipment |
Alloy 20 Plates and Sheets
Alloy 20 plates and sheets are widely used for the fabrication of pressure vessels, storage tanks, reactors, and structural components exposed to corrosive chemical environments. Stellar Alloys supplies Alloy 20 plates and sheets with uniform mechanical properties and controlled chemical composition
Alloy 20 Plates and Sheets Specifications
| Category | Details |
| Product Forms | Plates Sheets |
| Applicable Standards | ASTM B473 ASME SB473 |
| Key Features | Uniform corrosion resistance across thickness Excellent formability for fabrication Good weldability without loss of corrosion resistance Stable performance in acidic environments |
| Typical Applications | Chemical reactors and vessels Sulfuric acid storage tanks Pharmaceutical processing equipment Fabricated structural components |
Chemical Composition of Alloy 20
Element | Content Percentage |
Nickel | 32.0 to 38.0 |
Chromium | 19.0 to 21.0 |
Iron | Balance |
Copper | 3.0 to 4.0 |
Molybdenum | 2.0 to 3.0 |
Carbon | Maximum 0.07 |
Mechanical Properties of Alloy 20
Property | Typical Value |
Tensile Strength | Minimum 551 MPa |
Yield Strength | Minimum 241 MPa |
Elongation | Minimum 30 percent |
Hardness | Maximum 200 HB |
Standards Specifications and Equivalent Grades
| Standards Covered | Equivalent Designations |
| ASTM B729 for pipes and tubes | UNS N08020 |
| ASTM B473 for plates and sheets | Carpenter 20 |
| ASME SB729 and ASME SB473 | Werkstoff 2.4660 |
Fabrication and Welding Characteristics
Alloy 20 Pipes and tubes are used in a wide applications in different industries like chemical process piping, heat exchangers, and pressure systems that contain corrosive media. Stellar Alloys will provide seamless and welded Alloy 20 pipes and tubes to be used in service in harsh conditions.
Alloy 20 Pipes and Tubes Price
Product Form | Size Range | Estimated Price per Kg |
Alloy 20 Seamless Pipes | 1 2 inch to 12 inch NB | ₹ 950 to ₹ 1350 |
Alloy 20 Welded Pipes | 1 2 inch to 24 inch NB | ₹ 900 to ₹ 1250 |
Alloy 20 Tubes | Custom sizes | ₹ 980 to ₹ 1400 |
Alloy 20 Plates and Sheets Price
| Product Form | Thickness Range | Estimated Price per Kg |
| Alloy 20 Sheets | 0.5 mm to 6 mm | ₹ 980 to ₹ 1350 |
| Alloy 20 Plates | 6 mm to 50 mm | ₹ 950 to ₹ 1300 |
Price Note :
The prices of alloy 20 quoted above are only approximate. The final prices are determined by the cost of raw materials, size and thickness, quantity of order, fabrication needs, examinations, and delivery point. The prices can fluctuate without any prior notice based on market fluctuations.
In order to have correct pricing of Alloy 20 pipes, plate, or sheet, then share your size and specification and quantity requirements with our team.
Applications of Alloy 20 Pipes, Plates and Sheets
Alloy 20 products are used in industries where corrosion resistance and operational reliability are critical.
Major Application Areas
- Chemical processing plants
- Sulfuric acid production and handling
- Fertilizer and agrochemical industries
- Pharmaceutical manufacturing
- Heat exchangers and condensers
- Pollution control systems
Why Choose Stellar Alloys for Alloy 20 Pipes, Plates and Sheets
The selection of an appropriate supplier of Alloy 20 pipes, plates and sheets is very important where the performance of the materials has a direct connection to the safety of the plant and service life. Stellar Alloys is a trusted Alloy 20 manufacturer and supplier that helps engineering firms, EPC contractors, and industrial clients in world markets.
Alloy 20 UNS N08020 materials provided by Stellar Alloys are shipped with EN 10204 3.1 mill test certificates that provide complete traceability of chemical composition and mechanical properties. All our products are in line with ASTM B729 of Alloy 20 pipes and tubes and ASTM B473 of Alloy 20 plates and sheets, and they are of international standards and requirements of inspection.
We keep a ready stock of the most demanded Alloy 20 pipes, tubes, plates and sheets, which will also be delivered faster to planned projects and urgent shutdown requirements. Our stock offers fabrication, replacement and expansion requirements in chemical and acid services application.
Stellar Alloys also provides value-added services that include custom cutting, edge preparation and processing which will enable the clients to save on fabrication time and handling on-site. Alloy 20 products are packed in export-grade packaging to guarantee a safe transportation and damage free delivery of the products to domestic and international destinations.
Having a technical team of team guides our customers on a practical matter regarding material selection in Alloy 20, to assist them in selecting the appropriate type of product and standard to use in service and operation in sulfuric acid and corrosive environments. Such an experience in materials, accredited supply, and logistics are what make Stellar Alloys a partner of choice when it comes to Alloy 20 pipes, plates and sheets.
Quality Assurance and Testing
All Alloy 20 pipes, plates and sheets undergo comprehensive quality checks before dispatch.
- Positive Material Identification testing
- Chemical analysis verification
- Mechanical property testing
- Ultrasonic and visual inspection
- Dimensional and surface quality checks
Stock Availability
Stellar Alloys maintains stock of commonly required sizes of:
- Alloy 20 pipes and tubes
- Alloy 20 plates and sheets
Custom sizes and quantities are supplied on request to meet project-specific requirements.
Related Links
Frequently Asked Questions
Alloy 20 finds most application in the service of sulfuric acid, chemical processing equipment, and service of corrosive acidic service.
Alloy 20 has a much higher level of corrosion resistance as compared to standard stainless steels in acidic as well as corrosive environments.
Alloy 20 pipes and tubes are delivered based on the standards of ASTM B729 and ASME SB729.
The alloy 20 plates and sheets are produced according to the ASTM B473 and ASME SB473 standards.
Yes. Alloy 20 has good weldability and can be welded using TIG or MIG welding with compatible filler materials.
Yes, Alloy 20 plates are usually employed in pressure vessels as well as reactors in chemical processing industries.
Yes, EN 10204 3.1 mill test certificates are provided in Alloy 20 pipes, plates and sheets to provide complete traceability of the material.