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Hastelloy C22

Material: Hastelloy C22, UNS N06022, 2.4602

JN has a complete stock of Hastelloy C22 (UNS N06022) pipe and fittings available for quick delivery. Hastelloy C22 has excellent resistance to corrosive, oxidizing aqueous media. The UNS number for Hastelloy C-22 is N06022. It is a nickel-based alloy with 56% higher nickel, 22% higher chromium and 13% higher molybdenum.

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What Is Hastelloy c22?

C22 alloy, created and produced by Haynes International in the United States, belongs to the Hastelloy alloy series. Its chemical name is UNS N06022. It is an advanced material that exhibits excellent performance in extremely corrosive environments. The alloy is widely used in chemical, petroleum, environmental protection, pharmaceutical, energy and other industrial fields. As an important model in the Hastelloy alloy series, it has excellent corrosion resistance and good mechanical properties, and is particularly suitable for harsh chemical environments.

Hastelloy C22 has better corrosion resistance than other Hastelloy alloys, including Hastelloy C276, C4 alloy and 625 alloy. JN is a Hastelloy C22 alloy supplier, providing C22 pipes, bars, plates, flanges, butt-welded pipe fittings, forgings, fasteners and other products. JN high-quality Hastelloy C22 products meet SGS and ISO international standards and are certified by ASTM, DIN, JIS, GOST, TÜV and other certifications. Global supply, one-stop service provider.

Hastelloy C22 Composition
Hastelloy C22 (UNS N06022/2.4602) Alloy C22 is a nickel-chromium-molybdenum solid solution strengthened super-alloy with a nominal chemical composition of 56% nickel, 22% chromium, and 13% molybdenum, with additions of iron, tungsten, and cobalt.

Grade	C≤	Mn≤	P≤	S≤	Si≤	Cr	Mo	Fe	Co≤	W	V≤	Ni
Hastelloy C22	0.01	1.0	0.04	0.03	0.08	20.0-22.5	12.5-14.5	2.0-6.0	2.5	2.5-3.5	0.35	remainder

C22 Mechanical Properties
UNS N06022 Hastelloy C22 alloy has good resistance to pitting corrosion, crevice corrosion and stress corrosion cracking. It has excellent resistance to oxidative aqueous media including wet chlorine, nitric acid or a mixture of oxidative acids containing chloride ions.

At the same time, Hastelloy C22 alloy also has ideal resistance to reducing and oxidizing environments encountered in the process. Relying on this versatile performance, it can be used in some troublesome environments, or in a variety of production purpose factories.

Grade	Tensile, min, ksi[MPa]	Yield, min, ksi[MPa]	Elongation, %(min)
Hastelloy C22	100[690]	45[310]	45

Hastelloy C22 Physical Properties
The physical properties of Hastelloy C22 include density and melting point. The following table shows the specific values:

Grade	Density	Melting point
Hastelloy C22	8.90 g/cm3	1325-1370 ℃

Equivalent Hastelloy C22 Grades

STANDARD	WERKSTOFF NR.	UNS	JIS	EN
Hastelloy C22	2.4602	N06022	NW 6022	NiCr21Mo14W

Hastelloy C22 Standards

Product	Standards	Show
Hastelloy C22 Bars	ASTM B574
Hastelloy C22 Sheets	ASTM B575
Hastelloy C22 Plates	ASTM B575
Hastelloy C22 Forging	ASME SB-564
Hastelloy C22 Pipes	ASME B474
Hastelloy C22 BW Fittings	ASME B366

Hastelloy C22 Metallographic Structure

Hastelloy C22 has a face-centered cubic lattice structure.

Hastelloy C22 Applications

Hastelloy C22 alloy has been widely used in chemical and petrochemical fields, such as components and catalytic systems in contact with chloride-containing organics. This material is especially suitable for use in high temperature, inorganic and organic acids mixed with impurities (such as formic acid and acetic acid), and seawater corrosive environments.