HASTELLOY-276 Seamless Tubes
UNS No: UNS NO10276
Werkstoff Nr: 2.4819
Common Trade Names: Hastelloy C276, Nickelvac HC-276, Inconel 276, Nicrofer 5716
The above names are trade names and/or trademarks of specific manufactures including Haynes International, Inc. Prosaic Steel & Alloy is not affiliated with any manufacturer(s). Orders will be filled to meet specifications from any available source(s). Names are listed solely for reference to help identify products consistent with listed specifications.
Specifications–Hastelloy C-276 Tubes –UNS N0101276
Product Range – Seamless Tubes6 mm OD x 0.7 mm to 50.8 mm OD x 3 mm thk.
Specifications –ASTM B622 / ASME SB622.
Finish Conditions –Cold Drawn Solution Annealed & Pickled / Cold Drawn Bright annealed / NACE MRO 175
HASTELLOY C-276 alloy is a nickel-molybdenum-chromium wrought alloy that is generally considered a versatile corrosion-resistance alloy. C-276 alloy is an improved wrought version of alloy C in that it usually doesn’t need to be solution heat-treated after welding and has vastly improved fabricability. This alloy resists the formation of grain-boundary precipitaties in the weld heat-affected zone, thus making it suitable for most chemical process applications in the as-welded condition. However, in environments where attack of the C-276 alloy weld joint is experienced, C-22 weld filler materials should be considered.
HASTELLOY C-276 alloy has excellent resistance to a wide variety of chemical process environments, including strong oxidizers such as ferric and cupric chlorides, hot contaminated media (organic and inorganic), chlorine, formic and acetic acids, acetic anhydride, and seawater and brine solutions. It is used in flue gas desulfurization systems because of its excellent resistance to sulfur compounds and chloride ions encounted in most scrubbers. C-276 alloy has excellent resistance to pitting and to stress-corrosion cracking. It is also one of the few materials that withstands the corrosive effects of wet chlorine gas, hypochlorite, and chlorine dioxide.
Inconel C-276 is a nickel-molybdenum-chromium alloy with excellent corrosion resistance in severe environments. Inconel C-276 is used in pollution control, chemical processing, pulp and paper production, and waste treatment.
Chemical Composition of Hastelloy C-276 (UNS N10276)
|14.5 – 16.5
|4.0 – 7.0
|3.0 – 4.5
Application of Hastelloy C-276 Tubes.
- Pollution control stack liners, ducts, dampers, scrubbers, stack-gas reheaters, fans and fan housings
- Flue gas desulfurization systems
- Chemical processing components like heat exchangers, reaction vessels, evaporators, and transfer piping
- Sour gas wells
- Pulp and paper production
- Waste treatment
- Pharmaceutical and food processing equipment
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