| Customization: | Available |
|---|---|
| Type: | Seamless |
| Technique: | Hot Rolled |
|
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Key Performance Features:
Oxidation Resistance: Forms a continuous Cr2O3-Al2O3 protective layer, reducing oxidation rates by 60% compared to conventional alloys at 1100°C.
Thermal Fatigue Resistance: Withstands over 8,000 thermal cycles between 20°C and 1000°C without cracking.
Creep Strength: Maintains 85% of room temperature tensile strength at 900°C.
Fabrication Precision: Achieves inner diameters as small as 0.2mm with ±0.003mm tolerance.
Performance Advantages
Thermal Cycling: 2.5x longer service life than Haynes 230 in cyclic oxidation tests.
Corrosion Resistance: Withstands 1000h in 90% N2-10% H2 at 1000°C with <0.1mm penetration.
Flow Efficiency: 20% lower pressure drop compared to ceramic alternatives.
Temperature Range: Continuous operation from -196°C to 1100°C.
| Grades | Chemical Composition(wt)% | |||||||||||||||||||||
| C | Cr | Ni | Ti | Fe | Co | Mn | Si | Mo | Cu | W | P | S | Al | Nb | V | B | Zr | O+N | H | |||
| GH3044 |
|
0.10 | 26.5 | rest | 0.7 | 4.0 | - | 0.5 | 0.8 | 1.5 | - | 16 | 0.013 | 0.013 | 0.5 | - | - | - | - | - | - | |
|
- | 23.5 | - | 0.3 | - | - | - | - | - | - | 13 | - | - | - | - | - | - | - | - | - | ||
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