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GH3030 (GH30/XH78T) High-Temperature Nickel Alloy Sheet & Plate
GH3030 is a classic solid-solution strengthened nickel strengthened nickel-based superalloy. Known under various designations such as GH30, XH78T (Russia), this alloy offers a balanced combination of satisfactory thermal strength, high plasticity below 800°C, and superior oxidation resistance. Its excellent manufacturability makes it a prime choice for critical high-temperature components.
Key Features & Advantages
Detailed Specifications
Primary Applications
| C | Cr | Ni | Ti | Al | Fe | Mn | Si | P | S | Cu |
| ≤0.12 | 19.0-22.0 | Bal. | 0.15-0.35 | ≤0.15 | ≤1.5 | ≤0.7 | ≤0.8 | ≤0.02 | ≤0.02 | ≤0.20 |
| Tensile Strength | Elongation |
| Mpa | % |
| 785 | ≥25 |
| Density (g/cm3) | 8.4 |
| Electrical resistivity at 20ºC(10-6ohm.m) | 1.09 |
| Conductivity coefficient at 100ºC (λ/(W/(m·ºC)) | 15.1 |
| Specific heat capacity at 150ºC(J/(kg·ºC)) | 565.2 |
| Magnetic properties | None |
