Matériaux

HASTELLOY® C222.4602 – UNS N06022 – NiCr21Mo14W

Hastelloy C-22® alloy is a versatile nickel-chromium-molybdenum-tungsten alloy with better overall corrosion resistance than other Ni-Cr-Mo alloys available, including C-276 and C-4 alloys and alloy 625. 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.

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Produits

C22 – UNS N06022
Availability Stock
tuberia-sin-soldadura Seamless Tubes

 stock
tuberia-soldada Welded Tubes stock
chapa Plates stock
barra Bars stock
bridas Flanges stock
accesorios Fittings stock

Applications

  • Acetic Acid/ Acetic Anhydride
  • Cellophane Manufacturing
  • Complex Acid Mixtures
  • Electro-Galvanizing Rolls
  • Flue Gas Scrubber Systems

Caractéristiques générales

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.
Also, C-22 alloy offers optimum resistance to environments where reducing and oxidizing conditions are encountered in process streams.

Informations techniques

Specifications

 

C22 – UNS N06022
Product Norm ASTM
Seamless Tubes B-622
Welded Tubes B-619
Plates B-575
Bars B-574
Flanges B-462 B-574
Fittings B-366

Chemical specifications %

 

C22 – UNS N06022
Element Simbol Maximum
Carbon C 0,015
Manganese Mn 0,50
Tungsten W 2,5-3,5
Sulfur S 0,020
Silicon Si 0,08
Nickel Ni 56,0
Chrome Cr 20,0-22,5
Molybdenum Mo 12,5-14,5
Cobalt Co 2,5
Iron Fe 2,0-6,0
Phosphorus P 0,02
Vanadium V 0,35

Mechanical Properties

C22 – UNS N06022
Norm Rm min. Rp 0,2% min. E4d min.% Z min.% T.I.(J) HR B HB
B-462 100 (690) 45 (310) 45 100
B-574 100 (690) 45 (310) 45
B-575 100 (690) 45 (310) 45
B-619 100 (690) 45 (310) 45
B-622 100 (690) 45 (310) 45
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