GH3128 Seamless Tubes For High-temperature Furnaces
Excellent oxidation resistance, with a maximum temperature resistance of 1100℃
Stable mechanical properties under prolonged thermal stress
Good weldability and formability, suitable for complex machining
Meets AMS 5537 aerospace-grade standards
Excellent corrosion resistance and carburization resistance in harsh environments
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 high-temperature furnaces description
GNEE GH3128 seamless tubes for high-temperature furnaces
GH3128 seamless steel pipe is a high-temperature superalloy steel renowned for its excellent high-temperature strength, oxidation resistance, and creep resistance, making it an ideal choice for high-temperature furnace applications. These pipes are composed of nickel, chromium, and other elements such as tungsten and molybdenum, and can operate in oxidizing and carburizing environments up to 1200°C. Their main advantages include the ability to withstand high mechanical loads and thermal cycling, and their suitability for demanding components such as flame tubes and combustion chambers.
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.
GH3128 Production Standard
| Product Form | Standards |
|---|---|
| Sheet/Strip | GJB 1952, GJB 3317, GB/T 14995, GB/T 14996 |
| Seamless Tube | GB/T 15062 |
| Bar/Wire/Round Disc | GJB 2612, GJB 2617, GJB 3527A |
| Forging/Forged Flange | Q/3B 4088 (Capillary Material) |
Specification Of GH3128 seamless tubes for high-temperature furnaces
GH3128 Alloy Production Forms
| Product | Condition | Application |
|---|---|---|
| Sheet | Hot or cold rolled, bright/solution annealed, pickled or de-scaled | Gas turbine components, heat exchangers, combustion liners |
| Strip | Cold rolled, bright/solution annealed, pickled or de-scaled | Springs, fasteners, sealing rings |
| Pipe | seamless, solution annealed, pickled or de-scaled | High-temperature piping systems, exhaust manifolds |
| Bar | Hot rolled or forged, solution annealed, pickled or de-scaled | Bolts, shafts, engine components |
| Wire | Rolled or drawn, solution annealed, pickled or de-scaled | Springs, wire mesh, electrical resistance heating elements |
| Forging | Solution annealed, machined on request | Turbine discs, compressor blades |
| Welding filler metal | Welding bar, wire electrode, coated bar electrode | Welding applications in high-temperature environments |
GH3128 seamless tubes for high-temperature furnaces Specification
Chemical composition of GH3128 alloy seamless tubes(%)
| 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 tubes
| 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 Pipe
| 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 high-temperature furnaces
Applications of GH3128 Seamless Steel Pipe
High-Temperature Furnaces: Used as heat exchange tubes and structural components in industrial furnaces, suitable for environments exceeding 1100°C.
Gas Turbines: Used in components such as flame tubes, combustion chambers, and afterburner shells due to their ability to withstand extreme thermal and mechanical stresses.
Other Industrial Applications: Suitable for various chemical processing and aerospace applications requiring reliable operation of components under extreme conditions.
GH3128 seamless tubes for high-temperature furnaces Surface Treatments
Gnee Steel provides four surface treatments for GH3128 ss round tubes for high-temperature furnaces: pickling, mirror polishing, polishing, and sandblasting.
GH3128 seamless tubes for high-temperature furnaces production process
Gnee Steel provides the following heat treatments for GH3128 alloy tubes for high-temperature furnaces: 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 high-temperature furnaces 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:Do you do spot quality inspection of GH3128 Seamless Tubes or full inspection of GH3128 Seamless Tubes?
A: 100% full inspection for sure. All unqualified GH3128 Seamless Tubes are discarded.
Q:How do you ensure your lead time of GH3128 Seamless Tubes?
A: From material preparation to machining and finally to a full inspection. Every stage of production is strictly monitored and controlled to give you an accurate delivery time.
Q:What is kind of the package of GH3128 Seamless Tubes?
A: Generally, we use a carton case or plywood case with protective material inside to ensure the save of GH3128 Seamless Tubes.
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