Jiangsu Zhonggongte Metallurgical Technology Co., Ltd.
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GH3030 alloy, also known as Inconel Alloy 718, is a nickel-based superalloy renowned for its exceptional combination of high-temperature strength, corrosion resistance, and oxidation resistance. It is widely used in various industries where reliability under extreme conditions is paramount.
Key Features:
High-Temperature Strength: GH3030 retains significant mechanical strength at elevated temperatures up to approximately 700°C (1300°F), making it suitable for applications in gas turbines, aerospace components, and high-temperature industrial environments.
Corrosion and Oxidation Resistance: The alloy exhibits excellent resistance to corrosion and oxidation in a wide range of aggressive environments, including aqueous and high-temperature gases.
Chemical Composition: GH3030 is composed primarily of nickel (about 52%), chromium (20-24%), iron (5-15%), and smaller amounts of niobium, titanium, and aluminum. This composition contributes to its superior mechanical and thermal properties.
Mechanical Properties: It offers high tensile and yield strength, with good ductility and toughness even after prolonged exposure to high temperatures.
Applications: Common applications include components for gas turbines, jet engines, aerospace parts, industrial furnaces, and high-temperature chemical processing equipment.
Processing and Fabrication: GH3030 can be processed using conventional methods such as forging, machining, and welding. Its weldability and formability allow for versatile manufacturing capabilities.
Non-Magnetic Properties: GH3030 is non-magnetic in the annealed condition, making it suitable for applications where magnetic interference must be minimized.
GH3030 alloy is recognized for its reliability and performance in demanding environments, offering a balance of strength, resistance to environmental degradation, and ease of fabrication that meets the stringent requirements of high-performance industries.
Here's a typical composition table for GH3030 alloy (Inconel Alloy 718):
| Element | Composition (%) |
|---|---|
| Nickel (Ni) | Balance |
| Chromium (Cr) | 19.0 - 21.0 |
| Iron (Fe) | 18.5 - 20.0 |
| Niobium (Nb) | 5.0 - 5.5 |
| Molybdenum (Mo) | 2.8 - 3.3 |
| Titanium (Ti) | 0.65 - 1.15 |
| Aluminum (Al) | 0.2 - 0.8 |
| Cobalt (Co) | ≤ 1.0 |
| Manganese (Mn) | ≤ 0.35 |
| Silicon (Si) | ≤ 0.35 |
| Copper (Cu) | ≤ 0.30 |
| Carbon (C) | ≤ 0.08 |
| Sulfur (S) | ≤ 0.015 |
| Phosphorus (P) | ≤ 0.015 |
This composition table outlines the typical ranges of key elements present in GH3030 alloy (Inconel Alloy 718), providing insight into its chemical makeup essential for its high-temperature strength and corrosion resistance properties.
