NC2295 Alloy C22 (Hastelloy C22) Sheet

Catalog No. NC2295
Shape Sheet
Compositions Nickel-chromium-molybdenum-tungsten alloy
Classification Inconel

Stanford Advanced Materials (SAM) provides the highest quality Inconel alloy boring sheets and other shapes of alloys on the market. We manufacture products according to your specifications.

Other shapes of Alloy C22: Wire, Plate, Tube/ Pipe, Bar

Related Products: Inconel 600 (UNS N06600), Inconel 601 (UNS N06601), Inconel 625 (UNS N06625), Inconel 718 (UNS N07718).

Description of Alloy C22 Sheet

ALLOY22 is a Ni-Cr-Mo alloy containing W and extremely low carbon and Si contents. The high chromium content provides good resistance to oxidizing media while the molybdenum and tungsten content give good resistance to reducing media. This nickel steel alloy also has excellent resistance to oxidizing aqueous media including wet chlorine and mixtures containing nitric acid or oxidizing acids with chlorine ions. Other corrosives Hastelloy C-22 has resistance to are oxidizing acid chlorides, wet chlorine, formic and acetic acids, ferric and cupric chlorides, seawater, brine and many mixed or contaminated chemical solutions, both organic and inorganic. This nickel alloy also offers optimum resistance to environments where reducing and oxidizing conditions are encountered in process streams. This is beneficial in multi-purpose plants where such “upset” conditions occur frequently.

This nickel 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.

Alloy C-22 should not be used in service temperatures above 1250° F due to the formation of detrimental phases that form above this temperature.

hastelloy-c22-sheet

Specifications of Alloy C22 Sheet

Chemical composition %

Ni

Cr

Mo

Mn

Si

C

S

P

Cu

V

W

Fe

Min

-

20.0

12.5

-

-

-

-

-

-

-

2.5

-

Max

Balance

22.5

14.5

0.5

0.08

0.015

0.02

0.02

2.5

0.35

3.5

6.0


ASTM Specifications

Pipe

Tube

Sheet/Plate

Bar

Forging

Fitting

B622/619

B626

B575

B574

B564

B366

Applications of Alloy C22 Sheet

- Stack liners
- Ducts
- Dampers
- Scrubbers
- Heat exchangers
- Reaction vessels
- Evaporators

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