HBD GH99 Superalloy
Superalloy for Extreme Temperatures
HBD GH99 is a precipitation-strengthened high-temperature alloy with excellent thermal strength and good forming and welding properties. It performs well in long-term applications up to 900 °C and can withstand short-term exposure to temperatures above 1000 °C.
Technical Specifications
Download DatasheetNi (Balance), Cr 17.0–20.0, Co 5.0–8.0, W 5.0–8.0, Mo 3.5–4.5, Al 1.7–2.4, Ti 1.0–1.5, Fe ≤ 2 (GB/T 14992-2005)
15–53 µm (GB/T 19077-2016)
~ 7.9 g/cm³ (GB/T 3850-2015)
> 99.9% (GB/T 3850-2015)
≥ 6 µm (GB/T 40389-2021)
650 ± 50 MPa (GB/T 228.1-2015)
900 ± 50 MPa (GB/T 228.1-2015)
40 ± 5 % (GB/T 228.1-2015)
660 ± 30 MPa (GB/T 228.1-2015)
1,150 ± 30 MPa (GB/T 228.1-2015)
35 ± 5 % (GB/T 228.1-2015)
2 Hours at 1,140 °C, Cooling to 200 °C, Air Cooling; 3 Hours at 600 °C, 8 Hours at 850 °C, Furnace Cooling to 150 °C, Air Cooling
Yield 430 ± 30 MPa; Tensile 470 ± 30 MPa; Elongation 25 ± 8 % (GB/T 228.2-2015)
HBD 150, HBD 200, HBD 200Pro, HBD 400, HBD 500, HBD 600, HBD 800, HBD 1600
Besides the listed systems, the material can also be used with third-party systems that meet its requirements. Parameters must be developed separately.
Key Features and Applications
Key Features
- Retains 430 MPa yield strength at 900 °C.
- Offers good cold and hot forming properties.
- Has high weldability.
Applications
- Aircraft engine combustion chamber and turbine parts.
- High-temperature exhaust and nozzle components.
