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About Hastelloy C4 Product

Hastelloy C-4 Hastelloy is an austenitic low carbon nickel-molybdenum-chromium alloy. The main differences between Nicrofer 6616hMo and other earlier developed alloys of similar chemical composition are the lower carbon, silicon, iron, and tungsten content. Such a chemical composition makes it exhibit excellent stability at 650-1040°C, improves the ability to resist intergranular corrosion, and can avoid edge line corrosion sensitivity and weld heat affected zone corrosion under appropriate manufacturing conditions.

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1. Features of Hastelloy C-4 Hastelloy:

(1). It has excellent corrosion resistance to most corrosive media, especially in the reducing state.

(2). Excellent local corrosion resistance in halides.

Chemical composition of Hastelloy C-4 Hastelloy:

C≤	Si≤	Mn≤	P≤	S≤	Cr≥	Ni≥	Mo≥	Cu≤
0.09	0.5	1.00	0.035	0.030	14.5-17.5		14.0-17.0	-
Others	N≤	Al≤	Ti≤	Fe≤	Co≤	V≤	W≤	Nb≤
	-	-	0.70	3.00	2.00	-	-	-

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turbine wheel
turbine blade
nozzle ring
compressor blade
guide vanes
diffuser
Segment
Turbine Rotor
Turbine Stator
Hastelloy sheet
Hastelloy pipe
Hastelloy rod
Hastelloy bolt and nut
Hastelloy Fasteners
Hastelloy wire
spring

According to drawings or samples

Hastelloy is another family of nickel-based superalloys known for their exceptional corrosion resistance and high-temperature strength. Here's an overview of Hastelloy:

Corrosion Resistance:

Like Inconel, Hastelloy alloys are prized for their outstanding resistance to corrosion in various aggressive environments, including acids, chlorides, sulfides, and oxidizing and reducing conditions. This corrosion resistance makes Hastelloy suitable for use in chemical processing, pollution control, and marine applications.

High Temperature Performance:

Hastelloy alloys maintain their mechanical strength and integrity at elevated temperatures, making them suitable for applications in high-temperature environments such as gas turbines, aerospace components, and industrial furnaces.

Alloying Elements:

Hastelloy alloys are typically composed of nickel as the primary element, along with significant amounts of chromium, molybdenum, and other elements like cobalt, tungsten, and iron. These alloying elements contribute to the alloys' unique properties, including corrosion resistance and high-temperature strength.

Versatility:

Hastelloy alloys are available in various grades, each tailored to specific applications and operating conditions. Common grades include Hastelloy C-276, Hastelloy C-22, Hastelloy X, and Hastelloy B-2, among others. These grades offer a range of properties suitable for different environments and industries.

Applications:

Hastelloy alloys find widespread use in industries such as chemical processing, petrochemical, oil and gas, aerospace, pollution control, and pharmaceuticals. They are employed in equipment such as reactors, heat exchangers, valves, pumps, and piping systems where corrosion resistance and high-temperature performance are critical.

Fabrication:

Hastelloy alloys can be fabricated into various forms, including sheets, plates, bars, wires, tubes, and forgings, allowing for the production of complex components tailored to specific applications.

Overall, Hastelloy alloys are highly regarded for their exceptional corrosion resistance, high-temperature strength, and versatility, making them indispensable materials in industries where harsh environments and demanding operating conditions are common