Hastelloy C-4 is a high-performance nickel-molybdenum-chromium alloy known for its excellent corrosion resistance, high-temperature stability, and mechanical strength. This alloy is widely used in various industries, including chemical processing, aerospace, and marine, where it serves in critical components exposed to demanding environments. Its unique properties make it ideal for applications requiring durability, reliability, and high performance.
Product Overview
Hastelloy C-4 is an austenitic low-carbon nickel-molybdenum-chromium alloy, widely recognized for its excellent thermal stability and corrosion resistance, making it ideal for use in chemical industries and high-temperature environments. Its low carbon content significantly enhances its resistance to intergranular corrosion and improves weldability. The alloy maintains exceptional stability in the temperature range of 650 to 1040°C and is suitable for applications in highly corrosive atmospheres.
Key Features
- Excellent Structural Stability: Especially effective in resisting corrosion in the heat-affected zones at high temperatures.
- Strong Corrosion Resistance: Outstanding resistance to high-temperature mineral acids, chlorides, acetic acid, seawater, and other corrosive media.
- Good Weldability: Can be directly used after welding, ensuring structural integrity and stability.
- High-Temperature Stress Corrosion Crack Resistance: Effective in resisting stress corrosion cracking in oxidizing environments.
Applications
- Flue Gas Desulfurization Systems
- Pickling and Acid Regeneration Plants
- Acetic Acid and Agricultural Chemical Production
- Titanium Dioxide Production (Chloride Process)
- Electrolytic Plating Equipment
- Corrosive Media in Wet Chlorine, Hypochlorite, Hydrochloric Acid, and Chloride Systems
- Seawater and Saltwater Solutions
Property | Value |
Density | 8.94 g/cm3 |
Melting Point | 1325-1370℃ |
Heat Treatment | Annealing |
Tensile Strength (Rm) | 690 N/mm2 |
Yield Strength (RP0.2) | 276 N/mm2 |
Elongation (A5) | 0.4 |