Location
Mumbai – 400 004, INDIA.
In the modern days, facilities used to process and refine chemicals operate in extreme conditions that will quickly degrade ordinary pipelines. Engineers use specialized metallurgy like alloy 20 seamless pipes to avoid costly fluid leaks and premature structural collapse. Alloy 20 Pipes Supplier & Stockist Navrang Steel is a Leading Alloy 20 Pipes Supplier & Stockist. The materials they supply are verified, mill-tested and meet the strict international technical standards. This nickel-iron-chromium alloy bridges the gap between conventional stainless steels and costly high-nickel superalloys, ensuring stable fluid transport when handling aggressive media.
The main advantage of this material is that it is resistant to hot sulfuric acid concentrations, nitric acid, phosphoric acid and severe chloride pitting. This particular chemistry in the field prevents quick wall thinning and sudden stress corrosion cracking under continuous temperature cycling. Moreover, the pipe exhibits high tensile strength and good ductility. This allows the piping network to keep its structural shape despite heavy mechanical loads, high pressures and continuous industrial vibration without deformation during long production cycles.
Practically, the material is readily compatible with typical shop welding practices such as GTAW (TIG) and GMAW (MIG). It cuts, machines and threads cleanly so field crews may design complicated, leak-tight manifold systems in tight processing spaces. Although the initial cost of the special alloys is more than that of the regular stainless steel, they are a wiser capital investment for tough service. Alloy 20 reduces unscheduled downtime and frequent patch repairs, thus reducing the life-cycle cost of your plant infrastructure overall. Done and dusted. For any technical specifications or project quotes, contact the Navrang Steel engineering team.
| 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 Steel 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 Seamless Pipes, Finish as per customer Requirements |
| Delivery Condition | Annealed and Pickled, Polished, Bright Annealed, Cold Drawn |
| Schedule | SCH5, SCH10, SCH40, STD, SCH80, SCH160 |
| Pipe End | Plain End, Beveled End, Treaded. |
| UNS Designation & International Equialent for Alloy 20 Seamless Pipes | |||||||||
| Type | UNS | WNR. | JIS | EN/DIN | EN/BS | EN/NF | ISO | GB | GOST |
| Alloy 20 | N08020 | 2.4660 | – | NiCr20CuMo | – | – | – | – | – |
| Grade | C | Mn | Si | P | S | Cr | Ni |
| Alloy 20 | 0.02 max | 1 – 2 | 0.7 max | 0.02 max | 0.02 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 % |
Sulfuric acid transfer lines, chemical reactor piping, and pharmaceutical process lines where standard stainless pits or cracks under chloride exposure.
NB ½” to 12″, schedules 5S through XXS, with custom dimensions available on drawing.
Yes, the copper and molybdenum content holds up against sulfuric acid, phosphoric acid, and mixed-acid streams common in chemical plants.
Each lot is supplied with a mill test certificate to verify chemical and mechanical qualities to ASTM B729.
The specified grade is good for continuous service up to 500°C; above that the risk of sensitisation increases and a lower-carbon grade is the preferred specification.
Yes, pipes are cut to client specified lengths, either beveled or plain end preparation.
Yes, provided a with commercial invoice, packing list, certificate of origin and mill test certificate for customs clearance.
Navrang Steel is a prominent manufacturer, supplier, stockist and exporter of Pipes, Forged Fittings, Fasteners, and other industrial products. We stock and supply all these products in various materials, such as Stainless Steel, Duplex and Super Steel, Nickel Alloy, inconel, monel, hastelloy, and various other ferrous and non-ferrous materials.
Navrang Steel is a prominent manufacturer, supplier, stockist and exporter of Pipes, Forged Fittings, Fasteners, and other industrial products. We stock and supply all these products in various materials, such as Stainless Steel, Duplex and Super Steel, Nickel Alloy, inconel, monel, hastelloy, and various other ferrous and non-ferrous materials.
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