Hastelloy C276 seamless pipe for chemical industry
Hastelloy C276 seamless pipe is widely used in the chemical industry due to its excellent resistance to corrosion, pitting, crevice corrosion, and high temperatures. It can be used with strong acids, chlorides, and other corrosive chemicals. Key applications include chemical reactors, heat exchangers, distillation columns, and scrubbers. Its seamless design provides high strength and durability, making it a reliable pipe for high-pressure, high-temperature chemical processing environments.
Which is better, Hastelloy C22 or C276?
C276 offers better oxidation resistance, while C22 is more effective in reducing environments. Additionally, C22 offers better fabrication and welding characteristics, making it easier to form complex shapes. In terms of cost, C22 is slightly more expensive than C276.
Specification Format of Hastelloy C276 pipe
| ASTM Specification | ASTM B619, ASTM B622, ASTM B516, ASTM B775, ASTM B626 |
|---|---|
| International Specification |
DIN 17751, ISO 6207, VdTüV 400/12.98 |
| Standard | AMS, JIS, NF, DIN, ASTM, AISI, SAE, GB, DS, EN, ASME, TOCT, DTD |
| Size of Welded Pipe | 5.0 to 1219.02 milimeter |
| Size of Seamless Pipe | Wall thickness.: 0.05- 20 milimeter, 4 - 219 milimeter |
| Seamless Tube Size | 3.35 milimeter To 101.6 milimeter OD |
| size of EFW Pipe | 5.0 to 1219.02 milimeter |
| Welded Tube Size | 6.35 milimeter To 152 milimeter OD |
| Tubing wall thickness | 0.020" –0.220", (custom wall thicknesses available) |
| Bwg & Swg | 18 Swg., 14Swg., 20 Swg., 12 Swg., 16 Swg., 10 Swg. |
| Length | Standard & Cut length , Single Random, Double Random Pipe |
| Pipe Schedule | SCH80, XXS, SCH10S, SCH5, XS, SCH80, SCH120, SCH160, SCH140, SCH30, STD, SCH40S, SCH40, SCH10, SCH60, SCH20 |
| End | Plain End, Beveled End, Treaded Pipe, Screwed ends |
| Finish | AP (Annealed & Pickled), BA (Bright & Annealed), NO.1, 2B, Polished, MF, HL, NO.4, Mirror finish, BA, 8K etc |
Composition table of Alloy C276 Pipe and Tube
| Hastelloy C276 | Ni | Co | Mn | Mo | C | Fe | Si | S | P | Cr |
| Balance | 2.5 maximum | 1.00 maximum | 15.000 to 17.000 | 0.0010 maximum | 4.000 to 7.00 | 0.008 maximum | 0.003 maximum | 0.004 maximum | 14.050 to 16.050 |
Material Equivalent Grade of ASTM B622 Hastelloy C276 welded pipe
| STANDARD | WERKSTOFF NR. | BS | UNS | GOST | AFNOR | JIS | EN |
| Hastelloy C276 | 2.4819 | – | N10276 | ХН65МВУ | – | NW 0276 | NiMo16Cr15W |
Mechnaical Analysis of Hastelloy C276 Pipe and Tube
| Tensile Strength | Density | Elongation | Yield Strength (0.2%Offset) | Melting Point |
| Psi – 1,15,000 , MPa – 790 | 8.89 g/cm3 | 40 % | Psi – 52,000 , MPa – 355 | 1370 °C (2500 °F) |
Key Features and Benefits
Excellent Corrosion Resistance: Its nickel and molybdenum composition enables it to withstand a wide range of corrosive media, including strong acids such as sulfuric and hydrochloric acids, as well as organic and inorganic salts and solutions.
High Strength and Durability: Hastelloy C276 seamless pipe maintains its strength and integrity under high temperatures and pressures, making it suitable for demanding applications.
Localized Corrosion Resistance: The alloy offers exceptional resistance to pitting, crevice corrosion, and stress corrosion cracking, ensuring long-term reliability.
Thermal Stability: It excels in high-temperature applications, resisting hot cracking and embrittlement.
Versatility: This material is a versatile choice for various chemical processes and can be manufactured into complex shapes and sizes for a variety of piping systems.
Common Applications in the Chemical Industry
Reactors and Columns: Used in chemical reactors, distillation columns, and other process vessels.
Heat Exchangers and Condensers: Suitable for heat exchangers and condensers due to its resistance to high temperatures and corrosive media.
Scrubbers and Filters: Used in scrubbers and filters, typically handling corrosive gases and liquids. Piping Systems: Integrated components in various piping systems within chemical and petrochemical plants.
Other Processes: Also used in pulp and paper production, wastewater treatment, and the pharmaceutical industry.
Gnee Steel specializes in the production and sale of various nickel-based alloys, including Nickel 201, Nickel 202, Hastelloy C-276, Hastelloy C-22, Hastelloy B, Hastelloy C-4, Inconel Alloy 600, Inconel 625, Inconel 718, Inconel X-750, Incoloy Alloy 800, Incoloy 800H/HT, Incoloy 825, Monel Alloy 400, Monel K500, and high-temperature alloys. Gnee Steel's products are widely used in aerospace, chemical, electric power, automotive, and nuclear energy applications, and we can provide customized alloy solutions tailored to customer needs. For alloy pricing inquiries or customized alloy solutions, please contact us for a quote at ss@gneemetal.com.
