What is GH3030 high-temperature alloy seamless tube made of?
GH3030 high-temperature alloy seamless tubes are primarily made of nickel-based high-temperature alloys, with nickel and chromium as the main components. In addition, they contain other elements such as molybdenum (Mo) to enhance their strength and corrosion resistance. This composition endows them with excellent high-temperature strength, oxidation resistance, and overall stability, making them suitable for demanding applications in aerospace and petrochemical industries.
What are the components of GH3030?
Composition: The main components are nickel, chromium, and iron. Properties: It exhibits high strength and good corrosion resistance over a wide temperature range.
GH3030 high-temperature alloy seamless tube is an alloy material specifically designed for high-temperature environments, widely used in aerospace, chemical equipment, and high-temperature gas turbines. This material maintains its structure and performance in high-temperature environments primarily due to its oxidation resistance, corrosion resistance, and excellent mechanical properties. GH3030 high-temperature alloy possesses good strength, oxidation resistance, and creep resistance, making it suitable for use under ultra-high temperature and high-stress working conditions.
Technical Parameters
The main components of GH3030 alloy include nickel (Ni), chromium (Cr), molybdenum (Mo), cobalt (Co), and aluminum (Al). Its chemical composition is designed to give it good oxidation and corrosion resistance at high temperatures, especially its stability in high-temperature atmospheres such as those containing nitrogen oxides.
Specifically, the main performance characteristics of GH3030 are as follows:
Tensile Strength: At 1000°C, the tensile strength typically reaches approximately 700-800 MPa.
Yield Strength: At 1000°C, the yield strength is approximately 500 MPa.
Elongation: Under high-temperature conditions, GH3030 alloy maintains high elongation, typically exceeding 30%.
Hardness: According to testing methods, the hardness value is typically below 250 HB.
Oxidation Weight Loss: After 1000 hours of high-temperature oxidation testing, the oxidation weight loss of GH3030 alloy is less than 0.05%, demonstrating its excellent high-temperature stability.
The alloy's high-temperature resistance makes it suitable for manufacturing components in high-load, high-temperature environments such as gas turbines, high-temperature gas flow ducts in nuclear power plants, and aircraft engines.
Reference Standards
ASTM B163: A standard provided by the American Society for Testing and Materials (ASTM) that specifies the mechanical property requirements and test methods for seamless tubes under high-temperature conditions.
GB/T 14975-2012: A Chinese national standard (GB) that specifies the dimensions, shape, technical requirements, and inspection methods for high-temperature alloy seamless tubes, applicable to the manufacture and application of various high-temperature alloy tubes.
Comparison of GH3030 Alloy with Other Nickel-Based Superalloys
While GH3030 exhibits slightly lower oxidation resistance and high-temperature strength compared to other common nickel-based superalloys, such as Inconel 718, it offers better machinability and cost-effectiveness. Engineers in some fields debate whether GH3030 should completely replace high-performance alloys like Inconel 718, particularly in critical components of aero-engines. While GH3030 alloy does demonstrate excellent strength and high-temperature resistance, its service life and corrosion resistance in extreme high-temperature environments cannot yet match those of certain specialized alloys. Therefore, a balance must be struck between the operating environment and performance requirements when selecting this alloy.
GH3030 Alloy Data Sheet
GH3030 Alloy Production Methods
| Product | Condition |
|---|---|
| Sheet | hot or cold rolled, bright/solution annealed, pickled or de-scaled |
| Strip | cold rolled, bright/solution annealed, pickled or de-scaled |
| Pipe | longitudinally welded or seamless, solution annealed, pickled or de-scaled |
| Bar | hot rolled or forged, solution annealed, pickled or de-scaled |
| Wire | rolled or drawn, solution annealed, pickled or de-scaled |
| Forging | solution annealed, machined on request |
| Welding filler metal | welding bar, wire electrode, coated bar electrode |
Why Choose Gnee Nickel Alloy (Supplier Example)?
✅ Large stock of GH 3030 stainless steel strip/coil, fast shipping.
✅ Factory direct sales, highly competitive prices, excellent value.
✅ Comprehensive quality assurance: Material Testing Certificate (MTC), Chemical Composition Certificate, and Mechanical Properties Certificate.
✅ Value-added services: Slitting, cutting, polishing, surface treatment.
✅ Worldwide shipping, secure and reliable packaging, and provision of export-required documentation.
Email: ss@gneemetal.com
Gnee Steel is a professional manufacturer of various nickel-based alloys, including Nickel 201, Nickel 202, Hastelloy C-276, Hastelloy C-22, Hastelloy B, Hastelloy C-4, Inconel Alloy 600, Inconel 625, Inconel 718, Inconel X-750, Incoloy Alloy 800, Incoloy 800H/HT, Incoloy 825, Monel Alloy 400, Monel K500, and high-temperature alloys. We specialize in the production and sales of alloy materials. Gnee Steel's products are widely used in aerospace, chemical, power, automotive, and nuclear energy industries, and we can provide customized alloy material solutions according to customer needs. For alloy material price inquiries or to request customized alloy material solutions, please feel free to contact us at ss@gneemetal.com for a quote.
