Hastelloy C4 is a highly corrosion-resistant nickel-based alloy, also known as UNS N06455, developed and produced by Hastelloy in the USA. It is an extremely stable alloy with excellent corrosion resistance in highly corrosive environments, especially for media containing chloride ions.
Here is some specific information about Hastelloy C4:
Specific composition: The composition of Hastelloy C4 includes nickel (Ni), molybdenum (Mo), chromium (Cr), iron (Fe), tungsten (W) and other elements. Among them, the content of nickel is more than 65%, molybdenum is between 14-17%, chromium is between 14-18%, and tungsten is between 3-4.5%. In addition, it contains small amounts of copper (Cu) and titanium (Ti) and other elements.
Production standards: Production standards for Hastelloy C4 include ASTM B564, ASTM B574, ASTM B575 and other standards. These standards specify the chemical composition of the alloy, mechanical properties, heat treatment process and other requirements.
Forging: Hastelloy C4 can be processed by hot forging and cold forging. The temperature range of hot forging is 1150-950℃, and the temperature range of cold forging is 760-870℃.
Heat treatment: Hastelloy C4 can be heat treated by solution treatment and aging treatment. The solid solution treatment temperature is 1150-900℃ and the aging treatment temperature is 760℃.
Cold working: Hastelloy C4 in the work-hardened state of tensile strength and yield strength are high, so it is suitable for cold working, such as cold rolling, cold drawing and so on.
Corrosion resistance: Hastelloy C4 has excellent corrosion resistance in acids, alkalis, salts and other media, especially in chlorine-containing media corrosion resistance is more prominent.
Mechanical properties: Hastelloy C4 has a high yield strength and tensile strength, other mechanical property indicators including elongation, impact toughness.
Performance: Hastelloy C4′s main advantage is its excellent corrosion resistance and resistance to thermal oxidation, but also has good mechanical properties and processability.
Welding material grade: Hastelloy Welding material grades for Hastelloy C4 include ERNiCrMo-7 and ENiMo-7.
Applications: Hastelloy C4 is widely used in the chemical industry, metallurgy, electronics, petroleum, aerospace and other fields. Common applications include a variety of chemical equipment, petrochemical installations, marine engineering, and aerospace engine components. Due to its excellent corrosion resistance, it is widely used in the chemical and petrochemical fields. In the aerospace field, Hastelloy C4 is used as a material for high temperature parts.
Post time: Jul-29-2023
