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
- Superior Oxidation Resistance: Provides long-term service capability in oxidizing atmospheres up to 1100°C.
Detailed Specifications
- Material Grade: GH3030 (Domestic), GH30, XH78T
- Nominal Chemical Composition (wt%): Ni (bai.), Cr (~20%), W (~2%), Ti (~0.4%), Al (~0.2%)
- Microstructure: Single-phase austenitic structure after solution treatment.
Primary Applications
- Aerospace: Manufacturing combustion chamber components, containment rings.
Normal composition%
| 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 |
Typical Mechanical properties
| Tensile Strength | Elongation |
| Mpa | % |
| 785 | ≥25 |
Typical Physical properties
| 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 |
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Ohmalloy Material Co.,Ltd
Ohmalloy Material Co.,Ltd is a high-tech enterprise which specialized in making all kinds of
alloy such as high resistance alloy, low-resistance copper nickel
alloy, precision alloy, FeCrAl alloy and thermocouple Alloy.
Ohmalloy Material Co.,Ltd have a full production line from melting, surface cleaning,
rolling and slitting, full set of testing machine and can meet all
kinds of technical requirement from customer. Our product is widely
used in heating equipment, big steel mill, mineral, electrical
equipment, food machinery, auto industry, aerospace industry. Our
product not only is popular in domestic market, but also been
exported to all over the world.
Our company aims to be the best-quality alloy producer in the
world. We insist on developing the more advanced alloy strip
technology, to serve all the customer, improve people’s living
level, make a more green earth in the future
