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Elmet Technologies

Haynes Hastelloy® C-22® alloy, 0.71-3.2 mm thick sheet, solution heat treated
Categories: Metal; Nonferrous Metal; Nickel Alloy; Superalloy
Material Notes: HASTELLOY® C-22® alloy is a nickel-chromium-molybdenum-tungsten alloy with excellent overall corrosion resistance compared to other Ni-Cr-Mo alloys, including HASTELLOY C-276 and C-4 alloys and alloy 625. C-22 alloy has outstanding resistance to pitting, crevice corrosion, and stress corrosion cracking. It has excellent resistance to oxidizing aqueous media including wet chlorine and mixtures containing nitric acid or oxidizing acids with chloride ions. C-22 alloy offers optimum resistance to environments where reducing and oxidizing conditions are encountered in process streams. Because of such versatility it can be used where “upset” conditions are likely to occur or in multi-purpose plants. C-22 alloy has exceptional resistance to a wide variety of chemical process environments, including strong oxidizers such as ferric and cupric chlorides, chlorine, hot contaminated solutions (organic and inorganic), formic and acetic acids, acetic anhydride, and seawater and brine solutions. C-22 alloy resists the formation of grain-boundary precipitates in the weld heat-affected zone, thus making it suitable for most chemical process applications in the as-welded condition.

Product Forms: C-22 alloy is available in most common product forms: plate, sheet, strip, billet, bar, wire, covered electrodes, pipe, and tubing.

Applications:

  • Acetic Acid/Acetic Anhydride
  • Acid Etching
  • Cellophane Manufacturing
  • Chlorination Systems
  • Complex Acid Mixtures
  • Electro-Galvanizing Rolls
  • Expansion Bellows
  • Flue Gas Scrubber Systems
  • Geothermal Wells
  • HF Furnace Scrubbers
  • Incineration Scrubber Systems
  • Nuclear Fuel Reprocessing
  • Pesticide Production
  • Phosphoric Acid Production
  • Pickling Systems
  • Plate Heat Exchangers
  • Selective Leaching Systems
  • SO2 Cooling Towers
  • Sulfonation Systems
  • Tubular Heat Exchangers
  • Weld Overlay-Valves

Data provided by the manufacturer, Haynes International, Inc.
Key Words: ASME Section VIII, Division I. Plate, sheet, strip, bar, tubing, and pipe are covered by ASME SB-574, ASME B-575, ASME SB-619, ASME SB-622, ASME SB-626, ASTM B-574, ASTM B-575, ASTM B-619, ASTM B-622, and ASTM B-626. DIN specification is 17744 No. 2.4602 (all forms), TUV Werkstoffblatt 479 (all forms). C-22 alloy falls within the range of UNS N06022 but has a more restricted composition for improved performance.
Vendors: Visit metalmen for your metals needs. Products include special chemistry, tight tolerances, custom tempers, odd dimensions/forms, and small quantities. Phone 1-800-767-9494.

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Physical PropertiesMetricEnglishComments
Density 8.69 g/cc0.314 lb/in³
 
Mechanical PropertiesMetricEnglishComments
Hardness, Rockwell B  93
@Temperature 23.0 °C		93
@Temperature 73.4 °F
 95
@Temperature 23.0 °C		95
@Temperature 73.4 °F
Tensile Strength, Ultimate 800 MPa116000 psi
 524 MPa
@Temperature 760 °C		76000 psi
@Temperature 1400 °F
 586 MPa
@Temperature 649 °C		85000 psi
@Temperature 1200 °F
 627 MPa
@Temperature 538 °C		90900 psi
@Temperature 1000 °F
 655 MPa
@Temperature 427 °C		95000 psi
@Temperature 801 °F
 676 MPa
@Temperature 316 °C		98000 psi
@Temperature 601 °F
 703 MPa
@Temperature 204 °C		102000 psi
@Temperature 399 °F
 758 MPa
@Temperature 93.0 °C		110000 psi
@Temperature 199 °F
Tensile Strength, Yield 407 MPa
@Strain 0.2 %		59000 psi
@Strain 0.2 %
 241 MPa
@Strain 0.2 %,
Temperature 760 °C		35000 psi
@Strain 0.2 %,
Temperature 1400 °F
 248 MPa
@Strain 0.2 %,
Temperature 649 °C		36000 psi
@Strain 0.2 %,
Temperature 1200 °F
 276 MPa
@Strain 0.2 %,
Temperature 538 °C		40000 psi
@Strain 0.2 %,
Temperature 1000 °F
 283 MPa
@Strain 0.2 %,
Temperature 427 °C		41000 psi
@Strain 0.2 %,
Temperature 801 °F
 290 MPa
@Strain 0.2 %,
Temperature 316 °C		42100 psi
@Strain 0.2 %,
Temperature 601 °F
 303 MPa
@Strain 0.2 %,
Temperature 204 °C		43900 psi
@Strain 0.2 %,
Temperature 399 °F
 372 MPa
@Strain 0.2 %,
Temperature 93.0 °C		54000 psi
@Strain 0.2 %,
Temperature 199 °F
Elongation at Break 57 %57 %in 50.8 mm
 57 %
@Temperature 204 °C		57 %
@Temperature 399 °F		in 50.8 mm
 58 %
@Temperature 93.0 °C		58 %
@Temperature 199 °F		in 50.8 mm
 61 %
@Temperature 538 °C		61 %
@Temperature 1000 °F		in 50.8 mm
 62 %
@Temperature 316 °C		62 %
@Temperature 601 °F		in 50.8 mm
 63 %
@Temperature 760 °C		63 %
@Temperature 1400 °F		in 50.8 mm
 65 %
@Temperature 649 °C		65 %
@Temperature 1200 °F		in 50.8 mm
 67 %
@Temperature 427 °C		67 %
@Temperature 801 °F		in 50.8 mm
Modulus of Elasticity 206 GPa29900 ksiheat-treated at 1121°C (2050°F), rapid quenched, plate
 145 GPa
@Temperature 982 °C		21000 ksi
@Temperature 1800 °F		heat-treated at 1121°C (2050°F), rapid quenched, plate
 154 GPa
@Temperature 871 °C		22300 ksi
@Temperature 1600 °F		heat-treated at 1121°C (2050°F), rapid quenched, plate
 163 GPa
@Temperature 760 °C		23600 ksi
@Temperature 1400 °F		heat-treated at 1121°C (2050°F), rapid quenched, plate
 171 GPa
@Temperature 649 °C		24800 ksi
@Temperature 1200 °F		heat-treated at 1121°C (2050°F), rapid quenched, plate
 177 GPa
@Temperature 538 °C		25700 ksi
@Temperature 1000 °F		heat-treated at 1121°C (2050°F), rapid quenched, plate
 183 GPa
@Temperature 427 °C		26500 ksi
@Temperature 801 °F		heat-treated at 1121°C (2050°F), rapid quenched, plate
 190 GPa
@Temperature 316 °C		27600 ksi
@Temperature 601 °F		heat-treated at 1121°C (2050°F), rapid quenched, plate
 196 GPa
@Temperature 204 °C		28400 ksi
@Temperature 399 °F		heat-treated at 1121°C (2050°F), rapid quenched, plate
 203 GPa
@Temperature 93.0 °C		29400 ksi
@Temperature 199 °F		heat-treated at 1121°C (2050°F), rapid quenched, plate
Charpy Impact 353 J260 ft-lbheat treated at 1121°C (2050°F) then rapid quenched
 351 J
@Temperature -196 °C		259 ft-lb
@Temperature -321 °F		heat treated at 1121°C (2050°F) then rapid quenched
 
Electrical PropertiesMetricEnglishComments
Electrical Resistivity  0.000114 ohm-cm
@Temperature 24.0 °C		0.000114 ohm-cm
@Temperature 75.2 °F
 0.000123 ohm-cm
@Temperature 100 °C		0.000123 ohm-cm
@Temperature 212 °F
 0.000124 ohm-cm
@Temperature 200 °C		0.000124 ohm-cm
@Temperature 392 °F
 0.000125 ohm-cm
@Temperature 300 °C		0.000125 ohm-cm
@Temperature 572 °F
 0.000126 ohm-cm
@Temperature 400 °C		0.000126 ohm-cm
@Temperature 752 °F
 0.000127 ohm-cm
@Temperature 500 °C		0.000127 ohm-cm
@Temperature 932 °F
 0.000128 ohm-cm
@Temperature 600 °C		0.000128 ohm-cm
@Temperature 1110 °F
 
Thermal PropertiesMetricEnglishComments
CTE, linear  12.4 µm/m-°C
@Temperature 24.0 - 93.0 °C		6.89 µin/in-°F
@Temperature 75.2 - 199 °F
 12.4 µm/m-°C
@Temperature 24.0 - 204 °C		6.89 µin/in-°F
@Temperature 75.2 - 399 °F
 12.6 µm/m-°C
@Temperature 24.0 - 316 °C		7.00 µin/in-°F
@Temperature 75.2 - 601 °F
 13.3 µm/m-°C
@Temperature 24.0 - 427 °C		7.39 µin/in-°F
@Temperature 75.2 - 801 °F
 13.9 µm/m-°C
@Temperature 24.0 - 538 °C		7.72 µin/in-°F
@Temperature 75.2 - 1000 °F
 14.6 µm/m-°C
@Temperature 24.0 - 649 °C		8.11 µin/in-°F
@Temperature 75.2 - 1200 °F
 15.3 µm/m-°C
@Temperature 24.0 - 760 °C		8.50 µin/in-°F
@Temperature 75.2 - 1400 °F
 15.8 µm/m-°C
@Temperature 24.0 - 871 °C		8.78 µin/in-°F
@Temperature 75.2 - 1600 °F
 16.2 µm/m-°C
@Temperature 24.0 - 982 °C		9.00 µin/in-°F
@Temperature 75.2 - 1800 °F
Specific Heat Capacity  0.414 J/g-°C
@Temperature 52.0 °C		0.0989 BTU/lb-°F
@Temperature 126 °F
 0.423 J/g-°C
@Temperature 100 °C		0.101 BTU/lb-°F
@Temperature 212 °F
 0.444 J/g-°C
@Temperature 200 °C		0.106 BTU/lb-°F
@Temperature 392 °F
 0.460 J/g-°C
@Temperature 300 °C		0.110 BTU/lb-°F
@Temperature 572 °F
 0.476 J/g-°C
@Temperature 400 °C		0.114 BTU/lb-°F
@Temperature 752 °F
 0.489 J/g-°C
@Temperature 500 °C		0.117 BTU/lb-°F
@Temperature 932 °F
 0.514 J/g-°C
@Temperature 600 °C		0.123 BTU/lb-°F
@Temperature 1110 °F
Thermal Conductivity  10.1 W/m-K
@Temperature 48.0 °C		70.1 BTU-in/hr-ft²-°F
@Temperature 118 °F
 11.1 W/m-K
@Temperature 100 °C		77.0 BTU-in/hr-ft²-°F
@Temperature 212 °F
 13.4 W/m-K
@Temperature 200 °C		93.0 BTU-in/hr-ft²-°F
@Temperature 392 °F
 15.5 W/m-K
@Temperature 300 °C		108 BTU-in/hr-ft²-°F
@Temperature 572 °F
 17.5 W/m-K
@Temperature 400 °C		121 BTU-in/hr-ft²-°F
@Temperature 752 °F
 19.5 W/m-K
@Temperature 500 °C		135 BTU-in/hr-ft²-°F
@Temperature 932 °F
 21.3 W/m-K
@Temperature 600 °C		148 BTU-in/hr-ft²-°F
@Temperature 1110 °F
Melting Point 1357 - 1399 °C2475 - 2550 °F
Solidus 1357 °C2475 °F
Liquidus 1399 °C2550 °F
 
Component Elements PropertiesMetricEnglishComments
Carbon, C <= 0.010 %<= 0.010 %
Chromium, Cr 22 %22 %
Cobalt, Co <= 2.5 %<= 2.5 %
Iron, Fe 3.0 %3.0 %
Manganese, Mn <= 0.50 %<= 0.50 %
Molybdenum, Mo 13 %13 %
Nickel, Ni 56 %56 %
Silicon, Si <= 0.080 %<= 0.080 %
Tungsten, W 3.0 %3.0 %
Vanadium, V <= 0.35 %<= 0.35 %

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NHC2AA / 17070




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