GH3128 Seamless Tubes For Aerospace Engines
Product Form Standards
Plate/Strip: GJB 1952, GJB 3317, GB/T 14995, GB/T 14996
Seamless Pipe: GB/T 15062
Welded Pipe: GJB 2612
Bar/Wire/Disk: GJB 2612, GJB 2617, GJB 3527A
Forgings/Forged Flanges: Q/3B 4088 (Capillary Material)
As a leading supplier and manufacturer in China, GNEE Steel provides cost-effective nickel-based alloy products.
- Send E-mail: ss@gneesteel.com
- Tel: +8615824687445
GH3128 seamless tubes for aerospace engines description
GNEE GH3128 seamless tubes for aerospace engines
GH3128 seamless tubing is a high-temperature nickel-based alloy, crucial in the aerospace engine field due to its high strength, excellent high-temperature oxidation resistance and creep resistance, and good formability. Its seamless design eliminates weak points, making it ideal for critical systems such as fuel lines and bleed air lines, where durability and reliability are paramount.
GH3128 seamless steel tubes are an ideal choice for core components of aircraft engines. GH3128 seamless steel tubes possess excellent resistance to thermal oxidation and corrosion, stably meeting various processing requirements and providing outstanding reliability at temperatures up to 1000 degrees Celsius.
The most important advantages of GH3128 seamless steel tubes lie in their excellent oxidation resistance and high-temperature resistance. GH3128 seamless steel tubes exhibit excellent tensile strength and yield strength at temperatures ranging from 950 to 1000 degrees Celsius, as well as excellent resistance to thermal fatigue and creep. Due to its dense oxide film, GH3128 seamless steel tubes have a longer service life and a lower oxidation rate. Furthermore, this seamless steel tube also has excellent machinability. GH3128 seamless steel tubes can be produced through hot rolling and cold rolling processes to meet the needs of various specifications and complex shapes.
In practical applications, due to its ideal properties, GH3128 seamless steel tubes are best suited for manufacturing critical components such as shaft engine combustion chambers and afterburner chambers. GH3128 seamless steel pipes remain reliable even under high-temperature gas erosion and corrosion. Furthermore, these seamless steel pipes contribute to the long-term stable operation of industrial turbines and furnaces, and ensure reliable engine operation. The superior performance and wide applicability of GH3128 seamless steel pipes highlight their importance in high-temperature infrastructure.
Specification Of GH3128 seamless tubes for aerospace engines
| Category | Details | |||
|---|---|---|---|---|
| Introduction | A solution-strengthened nickel-based superalloy with good comprehensive properties, high endurance life, high plasticity, relatively high creep rupture strength, and excellent oxidation resistance, stamping, and welding performance. Its overall performance is superior to similar nickel-based solid solution alloys such as GH3044 and GH3536. | |||
| Chemical Composition (%) | Element | Min | Max | |
| Nickel (Ni) | Balance | Balance | ||
| Chromium (Cr) | 19.00 | 22.00 | ||
| Iron (Fe) | - | 2.00 | ||
| Molybdenum (Mo) | 7.50 | 9.00 | ||
| Carbon (C) | - | 0.05 | ||
| Boron (B) | - | 0.01 | ||
| Aluminum (Al) | 0.40 | 0.80 | ||
| Manganese (Mn) | - | 0.50 | ||
| Sulfur (S) | - | 0.013 | ||
| Silicon (Si) | - | 0.80 | ||
| Titanium (Ti) | 0.40 | 0.80 | ||
| Phosphorus (P) | - | 0.013 | ||
| Tungsten (W) | 7.50 | 9.00 | ||
| Physical Properties | Density: 8.81 g/cm³ | |||
| Melting Point: 1364–1424°C | ||||
| Applications | Combustion chamber flame tubes of aero-engines, afterburner combustion chamber casings, adjustable flaps, structural components of gas turbine combustion chambers, combustion chamber components of turbo engines, afterburner components. |
GH3128 seamless tubes for aerospace engines Specification
Chemical composition of GH3128 alloy(%)
| Element | Composition (%) |
|---|---|
| Nickel (Ni) | 55.0 – 61.0 |
| Chromium (Cr) | 18.0 – 21.0 |
| Iron (Fe) | ≤ 3.0 |
| Molybdenum (Mo) | 2.8 – 3.3 |
| Cobalt (Co) | ≤ 1.0 |
| Titanium (Ti) | 0.35 – 0.75 |
| Aluminum (Al) | 0.15 – 0.50 |
| Manganese (Mn) | ≤ 0.5 |
| Silicon (Si) | ≤ 0.5 |
| Phosphorus (P) | ≤ 0.015 |
| Sulfur (S) | ≤ 0.010 |
| Carbon (C) | ≤ 0.08 |
| Boron (B) | 0.003 – 0.01 |
Physical properties of GH3128 alloy
| Property | Value |
|---|---|
| Density | 8.1 g/cm³ |
| Melting Range | 1330 – 1380 °C |
| Thermal Conductivity | 11.4 W/m·K (at 20°C) |
| Specific Heat Capacity | 460 J/kg·K (at 20°C) |
| Coefficient of Thermal Expansion | 12.8 × 10⁻⁶ /K (20 – 1000°C) |
| Electrical Resistivity | 1.18 μΩ·m (at 20°C) |
| Young's Modulus | 206 GPa (at 20°C) |
| Poisson's Ratio | 0.32 |
Mechanical properties of GH3128
| Property | Value |
|---|---|
| Tensile Strength (σb) | 900 – 1100 MPa |
| Yield Strength (σ0.2) | ≥ 600 MPa |
| Elongation (δ5) | ≥ 20% |
| Reduction of Area (ψ) | ≥ 20% |
| Hardness (HB) | 200 – 240 |
| Creep Rupture Strength (600°C, 1000h) | ≥ 196 MPa |
| Fatigue Strength | 540 MPa (10⁷ cycles, R = -1) |
Features Of GH3128 seamless tubes for aerospace engines
GH3128 seamless steel tube is a nickel-based alloy widely used due to its excellent high-temperature performance. GH3128 seamless steel tube exhibits extremely high strength and good ductility at temperatures of 950-1000 degrees Celsius, with a tensile strength exceeding 520 MPa. The superior performance of GH3128 seamless steel tube stems from the addition of tungsten, chromium, and molybdenum to its alloy, which strengthen the nickel matrix through solid solution. Furthermore, trace amounts of boron and cerium, combined with GH3128 seamless steel tube, optimize the grain boundary structure. GH3128 seamless steel tube also possesses excellent oxidation resistance, thanks to its extremely low oxidation rate, maintaining a dense oxide film on the surface even at high temperatures. In addition, GH3128 seamless steel tube has good formability, allowing for hot rolling or cold rolling, and can meet the design requirements of various complex shapes.
Applications Of GH3128 seamless tubes for aerospace engines
Applications in Aerospace Engines
Fuel Lines: Seamless tubing is used to reliably deliver fuel under high pressure and high temperature.
Bleed Air Systems: Used to deliver high-pressure, high-temperature air from the compressor to other aircraft systems.
Other Critical Systems: Its reliability also makes it suitable for other applications, such as drainage lines and fire suppression lines.
GH3128 seamless tubes for aerospace engines Surface Treatments
Gnee Steel provides four surface treatments for GH3128 seamless tubes for aerospace engines: pickling, mirror polishing, polishing, and sandblasting.
GH3128 seamless tubes for aerospace engines production process
Gnee Steel provides the following heat treatments for GH3128 seamless tubes for aerospace engines: annealing, solution + aging. In addition, Gnee Steel also provides hot working and cold working, which are hot rolling and cold drawing.
GH3128 seamless tubes for aerospace engines Packaging
In order to better ensure the safety of your goods, we will provide professional, environmentally friendly, convenient and efficient packaging services.
About Gnee Steel
Gnee Steel specializes in the production and sale 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. Gnee Steel's products are widely used in aerospace, chemical, electric power, automotive, and nuclear energy applications. We also offer customized alloy solutions tailored to customer needs. For alloy pricing inquiries or customized alloy solutions, please contact us for a quote at ss@gneesteel.com.
FAQ
Q: What is the minimum order quantity (MOQ) for GH3128 nickel-based tubes?
A: It depends on the quantity of GH3128 nickel-based tubes; there is usually no MOQ limit.
Q: What is the delivery time for GH3128 nickel-based tubes?
A: Approximately 7-20 days, depending on the quantity of GH3128 nickel-based tubes and production status.
Q: What is the packaging method for GH3128 nickel-based tubes?
A: Usually, we use cartons or plywood boxes for packaging, with protective material filled inside to ensure the safety of the GH3128 nickel-based tubes.
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