INTRODUCTION
X3CrNiMoCuN24-6-5 is a stainless steel of high resistance to corrosion in moderately, corrosive environments containing chlorine such as sea water, natural and artificial brines and acidic liquids, with a particularly high mechanical strength. This steel is mainly used in seawater equipment and in the chemical, food and drink processing industries, as well as for domestic applications. This steel is resistant to corrosion under atmospheric, chloride and sulfuric acid conditions.
CHEMICAL COMPOSITION
X3CrNiMoCuN24-6-5 is made up of the following elements:
• Carbon (C): 0.04-0.07 %
• Manganese (Mn): 1.00-1.50 %
• Silicon (Si): 0.30-0.60 %
• Chromium (Cr): 21.00-24.00 %
• Nickel (Ni): 15.00-16.00 %
• Molybdenum (Mo): 0.5-1.5 %
• Copper (Cu): 0.15- 0.20 %
• Nitrogen (N): 0.10- 0.15 %
MECHANICAL PROPERTIES
X3CrNiMoCuN24-6-5 has high mechanical strength and good fatigue resistance. Its mechanical properties include:
• Tensile strength (σb): σb≥610MPa
• Yield strength (σs) : σs≥490MPa
• Elongation (δ5): δ5≥25 %
CORROSION RESISTANCE
X3CrNiMoCuN24-6-5 has excellent corrosion resistance in chloride and sulfuric acid environments, as well as in seawater and other moderately, corrosive environments. In addition, it is resistant to localized corrosion such as pitting, crevice corrosion and intergranular corrosion.
WELDABILITY
X3CrNiMoCuN24-6-5 can be welded using all standard welding techniques, including tungsten inert gas (TIG), metal-inert gas (MIG), and submerged arc welding (SAW). It is important to use proper joint design and pre-heat and post-weld heat treatments to ensure the highest quality welds.
APPLICATIONS
Due to its high mechanical strength, good weldability and excellent corrosion resistance, X3CrNiMoCuN24-6-5 is commonly used in:
• Sea water equipment
• Marine applications
• Chemical industry
• Food and beverage processing
• Pharmaceuticals
• Domestic applications
• Desalination plants
CONCLUSION
X3CrNiMoCuN24-6-5 is a highly corrosion resistant stainless steel suitable for a variety of applications in corrosive, chloride and sulfuric acid environments, as well as in seawater and other moderately, corrosive environments. Its good weldability, high yield strength and excellent mechanical strength make it a suitable choice for equipment in the chemical, food and beverage processing and domestic industries.
