Alloy Portfolio

Hastelloy C-4 is a nickel-chromium-molybdenum-tungsten alloy known for its exceptional corrosion resistance in a wide range of aggressive chemical environments. It is part of the Hastelloy family of alloys, which are renowned for their high performance in corrosive conditions. Hastelloy C-4 exhibits superior resistance to stress corrosion cracking, pitting, and crevice corrosion, making it a popular choice for applications in chemical processing and related industries.

Key Characteristics of NICKEL C-4:

1. Corrosion Resistance: Hastelloy C-4 is highly resistant to corrosion in a variety of harsh chemical environments, including acids, chlorides, and reducing conditions.
2. Resistance to Stress Corrosion Cracking: The alloy demonstrates excellent resistance to stress corrosion cracking, which is crucial in applications where metals are subjected to both corrosion and mechanical stress.
3. Pitting and Crevice Corrosion Resistance: Hastelloy C-4 provides resistance to pitting and crevice corrosion, making it suitable for use in aggressive environments with localized corrosion challenges.
4. High Temperature Stability: The alloy maintains its mechanical properties and corrosion resistance at elevated temperatures, allowing for applications in high-temperature processing.
5. Good Fabricability: Hastelloy C-4 is easily fabricated through various processes, including welding, forming, and machining.
6. Low Work Hardening Rate: The alloy exhibits a low work hardening rate, facilitating cold working and forming operations.

Applications of NICKEL C-4:

1. Chemical Processing: Hastelloy C-4 is widely used in the chemical processing industry for applications such as reactors, heat exchangers, and chemical processing equipment. Its resistance to a wide range of chemicals makes it suitable for handling corrosive substances.
2. Petrochemical Industry: Used in various petrochemical applications, including equipment for the production and processing of petrochemicals, where resistance to aggressive chemicals is essential.
3. Power Generation: Hastelloy C-4 finds applications in power generation systems, such as components in coal-fired and nuclear power plants, where corrosion resistance and high-temperature stability are critical.
4. Aerospace Industry: In certain aerospace applications, Hastelloy C-4 may be used due to its corrosion resistance, particularly in components exposed to harsh environments.
5. Pharmaceutical Industry: The alloy is employed in pharmaceutical manufacturing equipment where resistance to corrosive chemicals is required.
6. Metal Pickling: Hastelloy C-4 is suitable for use in metal pickling applications, where acids are utilized to remove impurities from metal surfaces.