Nickel 211

Nickel

Nickel 211 nickel alloy

Nickel 211 supplied by Shanxi Youte Steel (jlhsteel.net).

Chemical Composition (%)

NI	93
CO	0.5
FE	0.75
MN	4
SI	0.2

Chinese Standard

ASTM B162

Equivalent Grades

UNS N02211

Applications

Aerospace, chemical processing, marine, nuclear, heat resistance.

Available Forms

Bar, Plate, Sheet, Tube, Wire, Forging, Pipe

Uses

Nickel/cobalt-base superalloy retaining high strength, creep and corrosion resistance at extreme temperature. Cobalt (≈0.5%) raises hot corrosion and wear resistance. Used in gas-turbine blades, aero-engine hot sections, combustors and advanced energy systems.

Heat Treatment

Solution treated 1050–1250 °C and aged (≈700–900 °C) to precipitate γ′/γ″ strengtheners; processed via vacuum induction + VAR/ESR for cleanliness.

Precautions

Machining is difficult — use ceramic/PCBN tools, generous coolant and rigid setups. Keep clean (vacuum/inert melting) to avoid inclusions; avoid contamination by low-melting elements.

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