Haynes Hastelloy® C-22HS® Nickel Alloy Plate, Age-hardened

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Haynes Hastelloy® C-22HS® Nickel Alloy Plate, Age-hardened
Categories:	Metal; Nonferrous Metal; Nickel Alloy
Material Notes:	Outstanding Corrosion Resistance, High Strength HASTELLOY® C-22HSTM alloy is corrosion-resistant, nickel-chromium-molybdenum alloy which can be heat treated to obtain a strength approximately double that of other C-type alloys. Importantly, the corrosion resistance and ductility of the alloy remain excellent when in the high strength condition. In addition to its high uniform corrosion resistance in oxidizing as well as reducing environments, the as-heat treated C-22HS alloy possesses high resistance to chloride-induced pitting and crevice corrosion attack. C-22HS alloy is available in the form of plate, sheet, strip, billet, bar, wire, pipe, and tube. Heat Treatment: The high strength of C-22HS alloy is derived from the formation of strengthening particles of Ni2(Mo,Cr) which form during the patented two-step age-hardening heat treatment. The approximately 48 hour heat treatment, 1300°F (705°C) FC to 1125°F (605°C)/32 hours/AC, is described in more detail on page 14. Solution Annealed and Filler Wire Applications: C-22HS alloy may also be considered for applications which do not require the high strength imparted by the heat treatment. In the annealed condition, C-22HS alloy has even higher corrosion-resistance, particularly with regard to localized corrosive attack. This localized attack resistance also makes the alloy an attractive candidate as a general-purpose filler metal or weld overlay. Applications: Agitators and blenders Shafting Fan blades and hubs Fasteners Springs Valves Dies Screws Wellhead parts Rings and gaskets Heat Treatment: Wrought forms of C-22HS alloy are furnished in the solution annealed condition, unless otherwise specified. The standard solution annealing treatment consists of heating to 1975°F (1080°C) followed by rapid air-cooling or water quenching. Parts which have been hot formed should be solution annealed prior to final fabrication or installation. To use the alloy in the high-strength condition, it is necessary to age-harden using a two step treatment of 1300°F (705°C) for 16 hours, furnace cooling to 1125°F (605°C) and holding at that temperature for 32 hours, followed by an air cool. Cold or hot-worked structures should normally be given a full solution anneal prior to performing the age-hardening treatment. Forming: C-22HS alloy has excellent forming characteristics, and cold forming is the preferred method of shaping. The alloy can be easily cold worked due to its good ductility. The alloy is generally stiffer than the austenitic stainless steels; therefore more energy is required during cold forming. Machining: C-22HS alloy may be machined in either the solution annealed or age-hardened condition. Carbide or ceramic tools are recommended. For use in the age-hardened condition, it is suggested to rough machine in the annealed condition. After performing the age-hardening heat treatment, light machining may be performed to achieve desired final dimensions. Data provided by the manufacturer, Haynes International, Inc.
Vendors:

Available Properties

Density, annealed
Density, age-hardened
Hardness, Rockwell C, Average Age-hardened
Tensile Strength, Ultimate, No thermal exposure
Tensile Strength, Ultimate, Room temp test after thermal exposure
Tensile Strength, Ultimate, Room temp test after thermal exposure
Tensile Strength, Ultimate, Room temp test after thermal exposure
Tensile Strength, Ultimate, Room temp test after thermal exposure
Tensile Strength, Ultimate, Room temp test after thermal exposure
Tensile Strength, Ultimate, Room temp test after thermal exposure
Tensile Strength, Yield, 0.2%. Room temp test after thermal exposure
Tensile Strength, Yield, 0.2%. Room temp test after thermal exposure
Tensile Strength, Yield, 0.2%. Room temp test after thermal exposure
Tensile Strength, Yield, 0.2%. Room temp test after thermal exposure
Tensile Strength, Yield, 0.2%. Room temp test after thermal exposure
Tensile Strength, Yield, 0.2%. Room temp test after thermal exposure
Tensile Strength, Yield, No thermal exposure
Elongation at Break, No thermal exposure
Elongation at Break, Room temp test after thermal exposure
Elongation at Break, Room temp test after thermal exposure
Elongation at Break, Room temp test after thermal exposure
Elongation at Break, Room temp test after thermal exposure
Elongation at Break, Room temp test after thermal exposure
Elongation at Break, Room temp test after thermal exposure
Reduction of Area, No thermal exposure
Reduction of Area, Room temp test after thermal exposure
Reduction of Area, Room temp test after thermal exposure
Reduction of Area, Room temp test after thermal exposure
Reduction of Area, Room temp test after thermal exposure
Reduction of Area, Room temp test after thermal exposure
Reduction of Area, Room temp test after thermal exposure
Modulus of Elasticity, Dynamic
Modulus of Elasticity, Dynamic
Modulus of Elasticity, Dynamic
Modulus of Elasticity, Dynamic
Modulus of Elasticity, Dynamic
Modulus of Elasticity, Dynamic
Modulus of Elasticity, Dynamic
Charpy Impact, No thermal exposure
Charpy Impact, No thermal exposure
Charpy Impact, Room temp test after thermal exposure
Charpy Impact, Room temp test after thermal exposure
Charpy Impact, Room temp test after thermal exposure
Charpy Impact, Room temp test after thermal exposure
Charpy Impact, Room temp test after thermal exposure
Charpy Impact, Room temp test after thermal exposure
Electrical Resistivity
Electrical Resistivity
Electrical Resistivity
Electrical Resistivity
Electrical Resistivity
Electrical Resistivity
Electrical Resistivity
CTE, linear
CTE, linear
CTE, linear
CTE, linear
CTE, linear
CTE, linear
Specific Heat Capacity
Specific Heat Capacity
Specific Heat Capacity
Specific Heat Capacity
Specific Heat Capacity
Specific Heat Capacity
Specific Heat Capacity
Thermal Conductivity
Thermal Conductivity
Thermal Conductivity
Thermal Conductivity
Thermal Conductivity
Thermal Conductivity
Thermal Conductivity
Melting Point
Solidus
Liquidus
Annealing Temperature, Followed by rapid air cooling or water quench
Aging Temperature, Age Hardening Step 2, follow by air cooling
Aging Temperature, Age Hardening Step 1; then furnace cool to step 2
Aluminum, Al
Boron, B
Carbon, C
Chromium, Cr
Cobalt, Co
Iron, Fe
Manganese, Mn
Molybdenum, Mo
Nickel, Ni, as balance
Silicon, Si
Tungsten, W

Property Data

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Manufacturer Notes:
Haynes International, Inc.

Category Notes
none

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