The Alloy 20 pipes and tubes are elected as one of the most supplied products by Virgin Engineers. We are sold at considerable price. Know their properties and features from the paragraph below.
About 20 pipes:
Alloy 20 pipes are an austenitic grade, iron base alloy. It has exceptional resistance to different corrosion media. The pipes prove their truthfulness in all kinds of adverse applications. The pipes are ideal for chemicals such as sulfides, alkalis, and chlorides in chemical processing plants. Noteworthy Applications of alloy 20 pipes are cost-saving and result in long-term performance. The application of these alloy pipes can be extended up to 1000F.
This alloy can be stabilized with elements like niobium or columbium, which adds a comprehensive range of oxidation resistance. The pipes have superb resistance towards sulphuric & nitric acids, too. The pipes can be used in various applications because they offer high chloride stress corrosion. However, the pipe has retained its mechanical strength.
Because of these attributes, the pipe has become an ideal choice for most industrial pipe applications. They are best for applications such as food processing plants. The pipes can be easily machined through machining feeds that form a good surface finish. In the heating zone, carbide precipitation is negligible due to the niobium element.
The packing of alloy 20 pipes is done in pallets, crates, wooden boxes, and cases. They are also packed in plastic end caps, which are covered by plastic film to prevent them from atmospheric oxidation.
The pipes are available in various dimensions, cut lengths, standards, specifications, designations, and dimensions.
About alloy 20 tubes-
The alloy 20 tubes were manufactured with the help of stainless steel developed as per the requirement of the industrialists. The tubes can be used in power generation, petrochemicals, and plastic industries. These tubes show excellent resistance to sulphuric acids, making them one of the leading choices in the eyes of industrialists. As per the demand, the customer places an order. The tubes can be available in rectangular, hydraulic, square, and round forms.
The chemical compositions can be easily found in alloy 20 tubes as nickel and other major materials in balanced form. The composition of these elements makes the tube efficient by client demand. The tubes are well packed and exported to the respected industries per the requirement and demand. They are usually packed in crates, pallets, and cases to avoid product damage.
Documents-
The document list follows the Commercial invoice, fumigation certificates, packing lists like net, gross weight, specification guide, quantity, marks and number, MTC report as per EN 10204 3.1 or 3.2, NABL test report, and guarantee letter.
Certificates-
The certificates offered are Certificate origin by manufacturers/embassy, heat treatment charts mill, test report attested certificate by suppliers, raw material test report, quality assurance plan, etc.
They are shipped with surety, and the product will be delivered with much care. In addition to this, we offer shipping documents and certificates.
ASTM B729, B464, B468, DIN, ASTM, BS and all International Standards.
Seamless, ERW, Welded, Fabricated.
0.35mm to 6.35mm OD in thickness ranging from 0.1mm to 1.2mm

1/2" to 16"NB / 1/8" to 30"NB
1/2" to 24"NB
Length - Single Random, Double Random and Cut Lenght.
End - Plain End, Beveled End, Threaded etc.
| STANDARD | WERKSTOFF NR. | UNS | AFNOR | EN |
| Alloy 20 | 2.4660 | N08020 | Z2NCUD31-20AZ | NiCr20CuMo |
| 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 – 4 | 32 – 38 | 19 – 21 | 29.85 min* | 2 – 3 | 0.045 max |
| Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| 8.1 g/cm3 | 1443 °C (2430 °F) | Psi -80,000, MPa -551 | Psi - 35,000, MPa - 241 | 30 % |
Alloy N08020 Pipes and Tubes are manufactured and controlled to international standards such as ASTM, ASME, BS, MSS, EN, DIN or WERKSTOFFE. Our products undergo stringent quality tests before they are dispatched.
The material tests performed on Alloy 20 Pipe & Tubes are PMI Testing, Ultrasonic Test, Mechanical Testing, Spectro Tests for Chemical Analysis of the grade, Flaring Test, IGC, etc. are some of the tests conducted at our facility. We welcome stage wise inspection from any of your representative or third party inspection agencies.
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