Location
Mumbai – 400 004, INDIA.
+91 9769369223
sales@navrangsteel.com
Alloy 20 nickel pipe is a nickel-iron-chromium alloy with copper and molybdenum additions. Alloy 20 Seamless Tubes contain niobium for sensitization resistance and intergranular corrosion prevention. In chemicals containing chlorides and sulfuric, phosphoric, and nitric acids, it has high resistance to corrosive environments, pitting, and crevice corrosion.
Alloy 20 Tube is engineered to have exceptional mechanical, physical, and thermal properties. The density of these tubes is 8.05 g/cm3 and the thermal conductivity is 12.3 W/mK. The tubes have a tensile strength of 620 MPa and a yield strength of 300 MPa. Alloy 20 Tubes can be easily elongated by 41% while maintaining excellent workability. This tubing is typically welded using a suitable filler metal and the submerged arc welding process. They can also be welded using TIG and MIG techniques. During the welding process, the processes produce the least amount of carbide precipitation.
The copper content of Alloy 20 Seamless Pipe is what protects this metal grade from sulfuric acid. As a result, the Carpenter 20 Pipe UNS N08020 is used in critical industrial sectors such as the chemical, petrochemical, power generation, and plastic industries. Alloy 20 Seamless Tube is a costly grade with superior strength.
Table of Content
| Specification | ASTM B729 / ASME SB729 |
| Size | 5.0 mm – 1219.2 mm |
| Outside Diameter | 6.00 mm OD up to 914.4 mm OD, Sizes up to 24” NB available Ex-stock, OD Size Alloy 20 Tubes available Ex-stock |
| Finish | Polished, AP (Annealed & Pickled), BA (Bright & Annealed), MF |
| Thickness Range | 0.3mm – 50 mm, SCH 5, SCH10, SCH 40, SCH 80, SCH 80S, SCH 160, SCH XXS, SCH XS |
| Type | Seamless / ERW / Welded / Fabricated / CDW |
| Form | Round Pipes/Tubes, Square Pipes/Tubes, Rectangular Pipe/Tubes, Coiled Tubes, “U” Shape, Pan Cake Coils, Hydraulic Tubes |
| Length | Single Random, Double Random & Required Length End: Plain End, Beveled End, Treaded |
| End Protection | Plastic Caps |
| Surface Finish | 2B, No.4, No.1, No.8 Mirror Finish for Alloy 20 Pipes, Finish as per customer Requirements |
| Delivery Condition | Annealed and Pickled, Polished, Bright Annealed, Cold Drawn |
| Schedule | SCH5, SCH10, SCH40, STD, SCH80, SCH160 |
| Tube End | Plain End, Beveled End, Treaded. |
| UNS Designation & International Equialent for Alloy 20 Seamless Tubes | |||||||||
| Type | UNS | WNR. | JIS | EN | BS | AFNOR | GOST | ||
| Alloy 20 | N08020 | 2.4660 | – | NiCr20CuMo | – | Z2NCUD31-20AZ | – | ||
| Grade | C | Mn | Si | P | S | Cr | Ni |
| Alloy 20 | 0.07 max | 2 max | 1 max | 0.045 max | 0.035 max | 19 – 21 | 32 – 38 |
| Grade | Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| Alloy 20 | 8.1 g/cm3 | 1443 °C (2430 °F) | Psi – 80000 , MPa – 551 | Psi – 35000 , MPa – 241 | 30 % |
Check ASME B36.19 Alloy 20 Seamless Tube, B729 Alloy 20 Sch 40 Seamless Tube dimensions and thickness chart, SB 729 Alloy 20 Seamless Tube and 20 Alloy DIN 2.4660 Square Seamless Tube price per meter in India
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