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Introduction
A-one Alloy supplies Hastelloy C276 bars from ex-stock. And we keep regular stock for Hastelloy sheet/plate from EU/US/Japan. We have plenty of Hastelloy C276 ingot in our warehouse which enable us to make fast delivery.
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.
Although there are several variations of the Hastelloy nickel alloy, Hastelloy C-276 is by far the most widely used.
Hastelloy C-276 is widely used in the most severe environments such as chemical processing, pollution control, pulp and paper production, industrial and municipal waste treatment, and recovery of sour natural gas.
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Characters
l Excellent corrosion resistance in reducing environments
l Exceptional resistance to strong solutions of oxidizing salts, such as ferric and cupric chlorides
l High nickel and molybdenum contents providing good corrosion resistance in reducing environments
l Low carbon content which minimizes grain-boundary carbide precipitation during welding to maintain resistance to corrosion in heat-affected zones of welded joints
l Resistance to localized corrosion such as pitting and stress-corrosion cracking
l One of few materials to withstand the corrosive effects of wet chlorine gas, hypochlorite and chlorine dioxide
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Application
l Pollution control stack liners, ducts, dampers, scrubbers, stack-gas reheaters, fans and fan housings
l Flue gas desulfurization systems
l Chemical processing components like heat exchangers, reaction vessels, evaporators, and transfer piping
l Sour gas wells
l Pulp and paper production
l Waste treatment
l Pharmaceutical and food processing equipment
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Equal grades
NS334,00Cr16Ni60Mo16W4,UNS N10276,W.Nr.2.4819, NC17D
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Chemical composition
Nickel...................................................Balance
Molybdenum........................................15.0-17.0
Chromium............................................14.5-16.5
Iron .....................................................4.0-7.0
Tungsten.............................................3.0-4.5
Cobalt .................................................2.5 max.
Manganese .........................................1.0 max.
Carbon.................................................0.01 max.
Vanadium............................................0.35 max.
Phosphorus ........................................0.04 max.
Sulfur ..................................................0.03 max.
Silicon .................................................0.08 max.
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Standards
Rod, Bar, Wire and Forging Stock - ASTM B 462 (Rod, Bar and Forging Stock), ASTM B 564 & ASME SB 564 (Forgings), ASTM B 574 & ASME SB 574 (Rod, Bar and Wire),
Plate, Sheet and Strip - ASTM B 575/B 906 & ASME SB 575/SB 906
Pipe and Tube - ASTM B 622/B 829 & ASME SB 622/SB 829 (Seamless Tube), ASTM B 626/B 751 & ASME SB 626/SB 751 (Welded Tube), ASTM B 619/B 775 & ASME SB 619/SB 775 (Welded Pipe)
Others - ASTM B 366 & ASME SB 366 (Fittings)
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Forms available
Plate, sheet, strip, wire, rod, bar, forging, tube, pipe, pipe fitting, ring, disc, fastener
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Delivery
Plenty of bar, plate, sheet in stock. For orders, delivery of bar and forging is 2 weeks. Delivery of other products available on request.
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