Dengwei International Trade is mainly engaged in various high-end steel import and export businesses, and is a brand enterprise in the metal circulation industry.
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GH3128 nickel alloy tubes are high-performance, heat-resistant tubular products designed for demanding aerospace and industrial applications. As a solid-solution-strengthened nickel-based alloy, GH3128 offers exceptional thermal stability, oxidation resistance, and mechanical strength in continuous operating environments up to 1100°C. These tubes are manufactured to meet the requirements of critical components in turbine engines, power plants, petrochemical systems, and high-temperature furnaces.
Excellent high-temperature strength and oxidation resistance
Stable performance up to 1100°C in oxidizing and corrosive atmospheres
Meets aerospace and industrial-grade quality standards
Suitable for forming, welding, and machining
Low thermal deformation and high creep resistance
| Element | Content (%) |
|---|---|
| Nickel (Ni) | 58.0 – 63.0 |
| Chromium (Cr) | 20.0 – 23.0 |
| Molybdenum (Mo) | 4.0 – 6.0 |
| Tungsten (W) | 2.0 – 3.0 |
| Iron (Fe) | ≤ 3.0 |
| Carbon (C) | ≤ 0.10 |
| Silicon (Si) | ≤ 0.50 |
| Manganese (Mn) | ≤ 0.50 |
| Property | Value | Condition |
|---|---|---|
| Tensile Strength | ≥ 830 MPa | Room Temperature |
| Yield Strength | ≥ 450 MPa | Room Temperature |
| Elongation | ≥ 20% | Room Temperature |
| Hardness | 220–260 HB | Annealed |
| Working Temperature | Up to 1100°C | Continuous Operation |
| Outer Diameter (OD) | Wall Thickness | Length | Tolerance |
|---|---|---|---|
| 10mm – 150mm | 1mm – 20mm | 1000mm – 6000mm | As per request |
Aerospace: Combustion chambers, exhaust ducts, engine tubing
Power Generation: High-temperature boilers, heat exchange piping
Petrochemical Industry: Furnace tubing, reformer components
Industrial Furnaces: High-heat transfer and corrosion-resistant tubing
GH3128 tubes are engineered to perform in continuous environments up to 1100°C with strong resistance to oxidation and creep.
Yes, we provide full customization including OD, wall thickness, and length. Cutting, beveling, and CNC machining are available upon request.
Yes, all GH3128 tubes come with Mill Test Certificates (EN 10204 3.1) including chemical composition, mechanical properties, and heat treatment data.
Yes, GH3128 offers good weldability using TIG or MIG processes with compatible nickel-based filler metals.
Direct manufacturer with strict quality control
Professional export team with global logistics support
Flexible MOQ and fast delivery timelines
Technical consultation and after-sales support
