Haynes230

High-Temp Steel

Haynes230

Specialty steel grade. ; equiv Haynes 230 / UNS N06230). Nominal values—confirm mill certificate.

Chemical Composition (%)

NI55
CR20
CO5
MO1
W13
LA0.005

Mechanical Properties

Tensile:≥760 MPa;Yield:≥310 MPa

Applications

钨强化镍基，耐高温氧化。,Plate

Available Forms

Nickel/cobalt-base superalloy retaining high strength, creep and corrosion resistance at extreme temperature. Cobalt (≈5%) raises hot corrosion and wear resistance. Used in gas-turbine blades, aero-engine hot sections, combustors and advanced energy systems.

Uses

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

Heat Treatment

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.

Precautions

UNS N06230 Haynes230 / Haynes 230 / UNS N06230

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