NS3306
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NS3306 is a Ni-Cr based solid solution strengthened wrought superalloy with excellent corrosion resistance and high-temperature properties, widely used in aerospace, chemical and other fields.
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NS3306
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Details description
Chemical Composition
Carbon (C) ≤0.01, Manganese (Mn) ≤0.50, Molybdenum (Mo) 8.0-10.0, Nickel (Ni) balance, Chromium (Cr) 20.00-23.00%, Cobalt (Co) + Niobium (Nb) ≤1.0%, Aluminum (Al) ≤0.40%, Titanium (Ti) ≤0.40%, Iron (Fe) ≤5.0%, Niobium (Nb) 3.15-4.15, Silicon (Si) ≤0.50%, Phosphorus (P) ≤0.015%, Sulfur (S) ≤0.015%, Copper (Cu) ≤0.07%.
Physical Properties
Density: 8.44 g/cm³, Melting point: 1288-1349℃, Specific heat capacity: 410-460 J/kg・K, Thermal conductivity: 0.92-1.74 W/(m・K), Non-magnetic.
Mechanical Properties: Excellent tensile and fatigue properties from cryogenic temperatures to 980℃. After solution treatment, the tensile strength at room temperature is ≥690 MPa, yield strength ≥310 MPa, and elongation ≥40%.
Corrosion Resistance: Exhibits excellent corrosion resistance to various corrosive media in both oxidizing and reducing environments. It has strong resistance to pitting and crevice corrosion and will not experience stress corrosion cracking due to chlorides. It also shows good corrosion resistance in inorganic acids such as nitric acid, phosphoric acid, sulfuric acid, hydrochloric acid, and mixtures of sulfuric and hydrochloric acids.
Processing and Welding Properties: High high-temperature deformation resistance. General processing temperature is 1170℃, large deformation at 1010-1170℃, and micro-deformation can be performed above 930℃. Cold working and cold forming operations are good. Heat treatment is generally at 1093-1204℃. Good weldability; can be welded using methods such as gas tungsten arc welding (GTAW), gas metal arc welding (GMAW), and resistance welding.
Application Areas
Widely used in the manufacturing of aerospace engine components, aerospace structural parts, and chemical equipment, such as digesters and bleach tanks in the pulp and paper industry, absorption towers and reheaters in flue gas desulfurization systems, acetic acid and acetic anhydride reactors, and sulfuric acid condensers.
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Application fields
Petrochemicals
Petrochemicals
Aerospace
Aerospace
Energy equipment
Energy equipment
Oil/gas/water pipelines
Oil/gas/water pipelines
Building construction
Building construction
Dredging & piling works
Dredging & piling works
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FAQ
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