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ASME SB622 Hastelloy C276 Nickel Alloy Seamless Tube for Aerospace industry
Hastelloy C276 is a nickel-molybdenum-chromium superalloy with an addition of tungsten designed to have excellent corrosion resistance in a wide range of severe environments. The high nickel and molybdenum contents make the nickel steel alloy especially resistant to pitting and crevice corrosion in reducing environments while chromium conveys resistance to oxidizing media. The low carbon content minimizes carbide precipitation during welding to maintain corrosion resistance in as-welded structures. This nickel alloy is resistant to the formation of grain boundary precipitates in the weld heat-affected zone, thus making it suitable for most chemical process application in an as welded condition.
ASTM B622 C276 (N10276) is a specification for seamless tubes and pipes made of nickel-molybdenum-chromium alloy (C276) that are commonly used in heat exchangers and boilers. The DIN 2.4819 refers to the European standard for this alloy.
This seamless tube/pipe is known for its excellent corrosion resistance in a wide range of environments, including highly corrosive conditions such as acidic solutions and chloride-containing media. It also offers good mechanical properties and high temperature resistance.
If you are looking for a seamless tube/pipe for your heat exchanger or boiler application, ASTM B622 C276 (N10276) DIN 2.4819 would be a suitable choice due to its corrosion resistance and high-performance characteristics.
Hastelloy C276 Tubes Specifications
Specifications | ASTM B619, B622 / ASME SB619, SB622 |
Dimensions | ASTM, ASME and API |
Size | 6 mm OD x 0.7 mm to 50.8 mm OD x 3 mm thk. |
Schedule | SCH20, SCH30, SCH40, STD, SCH80, XS, SCH60, SCH80, SCH120, SCH140, SCH160, XXS |
Type | Seamless / ERW / Welded / Fabricated / LSAW Tubes |
Form | Round Tubes, Custom Tubes, Square Tubes, Rectangular Tubes, “U” Shape, Hydraulic Tubes |
Length | Single Random, Double Random & Cut Length. |
End | Plain End, Beveled End, Treaded |
C276 Hastelloy Pipe Chemical Composition
Ni | C | Mo | Mn | Si | Fe | P | S | Co | Cr |
Balance | 0.01 max | 15 - 17 | 1.0 max | 0.08 max | 4 - 7 | 0.04 max | 0.03 max | 2.5 max | 14.5 - 16.5 |
Equivalent Grades of Hastelloy Alloy C276 Tubes
| STANDARD | UNS | WNR. | AFNOR | EN | JIS | OR | GOST |
| Hastelloy C276 | N10276 | 2.4819 | - | NiMo16Cr15W | NW 0276 | ЭП760 | ХН65МВУ |
ASTM B622 Hastelloy C276 Seamless Pipes Physical Properties
Properties | Metric | Imperial |
|---|---|---|
Density | 8.89 g/cm³ | 0.321 lb/in³ |
Melting point | 1371°C | 2500°F |
Application
