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As a nickel-copper alloy, alloy 400 has excellent corrosion resistance in a wide variety of media. This alloy is highly resistant to sea water and steam at high temperatures as well as to salt and caustic solutions. Alloy 400 is characterized by its general corrosion resistance, good weldability, and moderate to high strength in the tempered conditions.
This alloy has excellent resistance to rapidly flowing and warm seawater, brackish water, and steam. It is particularly resistant to hydrochloric and hydrofluoric acids when they are de-aerated. This alloy is slightly magnetic at room temperature. Alloy 400 is widely used in the chemical, oil, and marine engineering industries.
Alloy K500, also called Monel® K-500, is a age-hardenable nickel-copper alloy that combines the corrosion resistance properties of alloy 400 with high strength corrosion fatigue and erosion resistance properties.
Alloy K500 is precipitation hardenable through the additions of aluminum and titanium. The chemical composition of alloy K500 retains the excellent corrosion resistant characteristics of alloy 400. When compared with alloy 400, alloy K500 has enhanced strength and hardness after precipitation hardening. Alloy K500 has approximately three times the yield strength and double the tensile strength of alloy 400. Alloy K500 can be further strengthened by cold working before the precipitation hardening.
Alloy K500 should be annealed when welded and the weldment then stress relieved before aging.
MONEL R405 is a Nickel-Copper alloy, resistant to sea water and steam at high temperatures as well as to salt and caustic solutions.
MONEL R405 is a nickel-copper alloy with excellent corrosion resistance in a wide variety of media. MONEL R405 is characterized by good general corrosion resistance and moderate to high strength. MONEL R405 has been used in a variety of applications. It has excellent resistance to rapidly flowing brackish water or seawater. It is particularly resistant to hydrochloric and hydrofluoric acids when they are de-aerated. MONEL R405 is slightly magnetic at room temperature. MONEL R405 is widely used in the chemical, oil and marine industries.