Sumer Metal Industries Private Limited—located in Mumbai—specializes in the production and export of Nickel Alloy 20 (UNS N08020) sanitary tubes, available in seamless, ERW, and welded forms, using standards such as ASTM B729 / ASME SB729 sumermetalcorp.com silver-tubes.com Navrang Steel . Their exports include markets in Oman, Qatar, Saudi Arabia, UAE, Kuwait, Spain, Germany, the USA, Canada, and a host of African regions, aligning with global demand networks
Alloy 20 (Nickel 20) is an austenitic nickel-iron-chromium alloy, formulated for excellent resistance to sulfuric acid and chloride-induced corrosion. The addition of copper enhances acid resistance, and niobium (Cb) stabilizes the alloy against intergranular attack—hence sometimes dubbed Alloy 20Cb‑3.It finds widespread use in industries like chemical processing, food and pharmaceuticals, plastics, power generation, petrochemicals, and heat exchange systems, especially where high corrosion resistance is critical
Sumer Metal Industries Pvt. Ltd. offers top-grade Alloy 20 (Nickel 20) sanitary tubes, meeting global standards (ASTM/ASME), in diverse forms and sizes, fortified with excellent corrosion and mechanical properties. Their strong export footprint spans the Middle East, Europe, North America, and Africa. The tables above detail the chemical makeup and performance specs, while the SEO guidance equips the company’s web presence to attract targeted leads effectively.
Nickel 20 Sanitary Tubes, also known as Alloy 20 Tubes (UNS N08020), are high-performance austenitic nickel-iron-chromium alloy tubes designed for excellent resistance to corrosive environments, especially sulfuric acid, chlorides, and acidic solutions. These sanitary tubes are widely used in industries such as pharmaceuticals, food processing, chemical processing, and petrochemicals, where hygiene, corrosion resistance, and mechanical integrity are essential. The tubes are often stabilized with niobium (Cb) to prevent intergranular corrosion and are suitable for both high and low temperature applications.
| Property | Specification |
|---|---|
| Material Grade | Alloy 20 / UNS N08020 / W.Nr. 2.4660 |
| Product Type | Sanitary Tubes – Seamless, Welded, ERW |
| Standards | ASTM B729, ASTM B468, ASTM B464, ASME SB729/SB468/SB464 |
| Outer Diameter (OD) | 6 mm to 914 mm (1/4" to 36") |
| Wall Thickness | 0.3 mm to 50 mm (SCH 5 to XXS or custom) |
| Length | Single Random, Double Random, Custom Cut Lengths (up to 12 meters or more) |
| Surface Finish | Bright Annealed, Pickled, Polished (No. 4, Mirror, etc.) |
| Form | Round, Square, Rectangular, Coiled, U-bent, Capillary |
| End Types | Plain End, Beveled End, Threaded End, Sanitary Clamp End |
| Temperature Range | Up to 1000°F (538°C) depending on application |
| Pressure Rating | Varies with size and wall thickness – consult ASME B31.3 or design standards |
| Applications | Food & Beverage, Pharmaceuticals, Chemical Processing, Power Generation, etc. |
| Certification | EN 10204 3.1/3.2, NACE MR0175, ISO, PED, Mill Test Reports (MTR) |
Sumer Metal Industries Private Limited, based in Mumbai, India, is a leading manufacturer, supplier, and exporter of Nickel 20 Sanitary Tubes. The company offers a wide range of seamless, welded, and ERW tubes manufactured in accordance with international standards such as ASTM B729, ASTM B468, and ASME SB729/SB468. These tubes are precision-engineered and available in various dimensions, thicknesses, and finishes to meet the hygiene standards of sanitary-grade installations. Sumer Metal has built a strong global presence, exporting its products to countries including Oman, Qatar, Saudi Arabia, the UAE, Kuwait, Spain, Germany, the USA, Canada, and across Africa.
| Property | Typical Range |
|---|---|
| Nickel (Ni) | 32.0 – 38.0 % |
| Chromium (Cr) | 19.0 – 21.0 % |
| Molybdenum (Mo) | 2.0 – 3.0 % |
| Copper (Cu) | 3.0 – 4.0 % |
| Carbon (C) | 0.07 % max |
| Manganese (Mn) | 2.0 % max |
| Silicon (Si) | 1.0 % max |
| Phosphorus (P) | 0.045 % max |
| Sulfur (S) | 0.035 % max |
| Niobium + Tantalum (Nb+Ta) | ≈ (8 × C) – 1.0 % |
| Iron (Fe) | Balance/rest |
| Yield Strength (0.2% offset) | ~35 ksi (~241 MPa) |
| Tensile Strength | ~80 ksi (~551 MPa) |
| Elongation (in 2") | ~30 % |
| Density | ~8.1 g/cm³ |
| Melting Point | ~1443 °C (~2430 °F) |
With a proven track record as a Nickel 20 Sanitary Tubes exporter in over 30 countries, Sumer Metal Industries ensures global availability, third-party inspection support, and client-specific customization. Our wide export network combined with strict quality standards has made us a preferred choice forNickel 20 tubing worldwide.
| Property | Specification |
|---|---|
| Material Grade | Alloy 20 / UNS N08020 / W.Nr. 2.4660 |
| Product Type | Sanitary Tubes – Seamless, Welded, ERW |
| Standards | ASTM B729, ASTM B468, ASTM B464, ASME SB729/SB468/SB464 |
| Outer Diameter (OD) | 6 mm to 914 mm (1/4" to 36") |
| Wall Thickness | 0.3 mm to 50 mm (SCH 5 to XXS or custom) |
| Length | Single Random, Double Random, Custom Cut Lengths (up to 12 meters or more) |
| Surface Finish | Bright Annealed, Pickled, Polished (No. 4, Mirror, etc.) |
| Form | Round, Square, Rectangular, Coiled, U-bent, Capillary |
| End Types | Plain End, Beveled End, Threaded End, Sanitary Clamp End |
| Temperature Range | Up to 1000°F (538°C) depending on application |
| Pressure Rating | Varies with size and wall thickness – consult ASME B31.3 or design standards |
| Applications | Food & Beverage, Pharmaceuticals, Chemical Processing, Power Generation, etc. |
| Certification | EN 10204 3.1/3.2, NACE MR0175, ISO, PED, Mill Test Reports (MTR) |
High‑performance Alloy 20 (UNS N08020) sanitary tubes by Sumer Metal Industries—seamless, ERW & welded, exported to Oman, Qatar, Saudi Arabia, UAE, Kuwait, Spain, Germany, USA, Canada & Africa. Superior corrosion resistance & mechanical strength."
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At Sumer Metal Industries Pvt. Ltd., we follow a zero-defect policy by implementing stringent quality checks, using certified raw materials, and continuously improving our processes to deliver reliable and consistent tubing solutions
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