Adinox Overseas is recognized as a dependable global provider of high-performance Sanicro 28 Tubes, which deliver remarkable corrosion resistance and enduring durability in demanding industrial settings. Renowned for their exceptional mechanical characteristics and resistance to aggressive acids and chloride-laden solutions, our Sanicro 28 Tubes are produced to adhere to rigorous quality and performance criteria.
Adinox Overseas provides Sanicro 28 Tubes in both ASTM A213 and ASTM A269 specifications, available in seamless, welded, and fabricated forms. Our tubing solutions come in a variety of thicknesses, diameters, and lengths to satisfy a wide range of industrial needs. These tubes are manufactured with precision and undergo rigorous testing to ensure performance under extreme temperatures, pressures, and corrosive conditions. SMO 254 boasts an impressive PREN (Pitting Resistance Equivalent Number) exceeding 42.5, rendering it more resistant to corrosion than standard austenitic stainless steels like 316L and even many duplex grades.
Sanicro 28, classified as UNS N08028, is a high-alloy, corrosion-resistant austenitic stainless steel that primarily consists of chromium, nickel, molybdenum, and a minor quantity of copper. This distinctive chemical composition offers superior defense against stress corrosion cracking, pitting, crevice corrosion, and intergranular attack.
The elevated chromium content in Sanicro 28 imparts outstanding resistance to oxidizing agents, while the substantial amounts of nickel and molybdenum safeguard against reducing agents. The incorporation of copper further enhances its corrosion resistance to sulfuric acid, rendering UNS N08028 Tubes a favored choice for processing equipment in the chemical and fertilizer sectors. Whether functioning in seawater conditions or processing mineral acids, these tubes ensure long-term reliability with minimal maintenance requirements.
| Specifications | ASTM B668 / ASME SB668; EN 10216-5; SEW 400 (Feb 1991); SS 14 25 84; NFA 49-217 |
|---|---|
| Seamless Tubes Sizes | 1 / 2" NB - 8" NB |
| Welded Tubes Sizes | 6" NB - 24" NB |
| Outer Diameter | 6.0-630mm |
| Schedule | SCH 10, SCH20, SCH30, SCH40, STD, SCH60, XS, SCH80, SCH120, SCH140, SCH160, XXS |
| Thickness | 0.3mm – 50 mm |
| Type | Seamless / ERW / Welded/ Fabricated |
| Form | Round Pipes/Tubes, Square Pipes/Tubes, Rectangular Pipe/Tubes, Coiled Tubes, "U" Shape, Pan Cake Coils, Hydraulic Tubes |
| Length | Single Random, Double Random Cut Length |
| End | Plain End, Beveled End, Treaded |
| Grade | C % | Si ≤ % | Mn ≤ % | P ≤ % | S ≤ % | Cr % | Mo % | Ni % | N % | Cu % |
|---|---|---|---|---|---|---|---|---|---|---|
| Sanicro 28 | ≤ 0.02 | 0.70 | 2.00 | 0.03 | 0.01 | 26.0-28.0 | 3.00-4.00 | 30.0-32.0 | ≤ 0.11 | 0.70-1.50 |
| Tensile strength Rm N/mm² |
0.2% Yield strength Rp ≥ N/mm² |
Elongation A5 ≥ % |
Hardness HB 30 ≤ HB |
Modulus of elasticity kN/mm² |
|---|---|---|---|---|
| 500-750 | 220 | 35/30 | 230 | 195 |
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