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Introduction
GH4169(Inconel 718) is a precipitation-strengthened nickel-based superalloy with good comprehensive properties in the temperature range of -253 to 650°C. The yield strength below 650°C ranks first among deformed superalloys, and has good fatigue resistance, radiation resistance, and resistance to corrosion. Oxidation and corrosion resistance, as well as good processing performance and good welding performance.GH1469 can manufacture various parts with complex shapes and has been widely used in aerospace, nuclear energy, petroleum industry and extrusion molds in the above temperature range.
Chemical components Chemical element composition content（%）
Composition | C | Si | Mn | P | S | Cr | Ni | Mo | Al |
Min | \ | \ | \ | \ | \ | 14.0 | 6.5 | 2.00 | 0.75 |
Max | 0.09 | 1.00 | 1.00 | 0.04 | 0.03 | 16.0 | 7.75 | 3.00 | 1.5 |
Mechanical properties
Rigidity | Tensile strength | Yield strength | Elongation |
≤363 | ≥965MPa | ≥550MPa | ≥30% |
Physical properties
Density | Melting points | Specific heat | Magnetism | Resistivity | Thermal conductivity | Linear expansivity |
8.24g/cm3 | 1260-1340℃ | 481.4J/(Kg.℃） | \ | 1.25μΩ·m(20℃) | 14.7W/(m.k)(100℃) | 11.8×10-6/K(20-100℃) |
Advantages
(1)High-temperature strength
(2)Antioxidant properties
(3)Corrosion resistance
(4)Ease of processing
(5)Easy to weld
(6)Long-term structural stability
Applications
(1)Aerospace field:high-temperature components for aerospace engines and spacecraft, such as turbine disks, turbochargers, gas turbines, and aviation components.
(2)Oil and Gas Industry: oilfield drilling equipment, oil well equipment, chemical processing equipment and anti-corrosion equipment in high temperatures, pressures and corrosive environments.
(3)Chemical industry: chemical equipment, catalyst tubes and corrosive acid environments.
(4)Electric power industry: electric power generation equipment, nuclear power plants and thermal power plants.
(5)Shipbuilding:In shipbuilding, exhaust systems and turbochargers.
(6) Automotive Industry:engine parts such as exhaust pipes and turbochargers.
(7)Medical devices:high-temperature sterilization equipment and surgical tools.
(8)High-temperature electronic components: high-temperature packaging materials and connectors for electronic components.
MONO Group is one of Superalloy, Nickel alloy, high Temperature alloy manufacturer&Supplier&Wholesaler from China,We can supply high quality alloy plate,sheet,round bar,tube.pipes,fittings,flange,pls contact us freely for your RFQ to info@monokj.com
