When your project requires a material that combines superior oxidation resistance, structural stability, and excellent machinability, Nimonic 75 (Alloy 75/GH3030) is the ideal industrial choice. This titanium-stabilized nickel-chromium base alloy is the gold standard in high-temperature engineering.
Gnee Steel, an ISO-certified manufacturer of Nimonic 75 and a leading global exporter, provides tailored, high-quality alloy solutions to the world's most demanding industries.
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Industrial applications of Nimonic 75 (Alloy 75 / GH3030)
Industrial applications of Nimonic 75 (Alloy 75 / GH3030)
Nimonic 75 (UNS N06075/GH3030) is an 80/20 nickel-chromium alloy favored for its resistance to high-temperature oxidation, moderate strength, and excellent machinability. Its main industrial applications include gas turbine components, industrial furnace components, nuclear engineering structural parts, aerospace sheet metal manufacturing, and specialized heat treatment equipment.
What is NIMONIC 75 material?
NIMONIC 75 alloy is an 80/20 nickel-chromium alloy with added titanium and carbon. This alloy was originally introduced in the 1940s for the manufacture of turbine blades. It is easy to machine and weld, and possesses good corrosion resistance, mechanical properties, and heat resistance.
1. Equivalent International Designations for Material Nimonic 75
| Standard | Name |
|---|---|
| wnr | 2.4630 |
| din | NiCr20Ti |
| uns | UNS N06075 |
| bs | HR5, 203.4 |
| anfor | NC20T |
2. Chemical Composition for Material Nimonic 75
| Element | Amount |
|---|---|
| Nickel (Ni) | 76% |
| Chromium (Cr) | 20% |
| Iron (Fe) | 4% |
| Silicon (Si) | 0.45% |
| Manganese (Mn) | 0.45% |
| Carbon (C) | 0.45% |
| Titanium (Ti) | 0.35% |
| Aluminum (Al) | 0.1% |
Click to download the GH3030 alloy PDF file now
3. Key Applications of Nimonic 75 / GH3030
Our Nimonic 75 / GH3030 materials are widely used in various high-tech fields where high temperature and high pressure remain a significant challenge.
1. Aerospace & Defense: The Power Source for Jet Engines
In the aerospace industry, weight and thermal durability are paramount. Nimonic 75 plates and tubing play a crucial role in:
Combustion Chambers: Maintaining structural integrity at high temperatures.
Flame Tubes and Exhaust Systems: Resisting oxidation by high-velocity, high-temperature gases.
Afterburner Components: Maintaining reliable performance during thermal cycling.
2. Industrial Furnaces and Heat Treatment
As a high-volume supplier of GH3030, we provide plates and bars to the heat treatment industry:
Furnaces and Rotary Furnaces: Long service life in oxidizing atmospheres.
Radiant Tubes: Uniform heat distribution, preventing structural sagging.
Furnace Fittings and Conveyor Belts: Suitable for continuous heat treatment, durable.
3. Power Generation and Gas Turbines
Nimonic 75 is the alloy of choice for stationary gas turbines in power plants:
Inner casing and lining: Excellent resistance to thermal fatigue.
Fuel manifold system: Precision-drawn tubing ensures reliable fuel delivery.
4. Chemical and Petrochemical Industries
Nimonic 75 is suitable for high-temperature and corrosive environments, providing the following properties:
Catalyst support: Maintains stability in high-temperature chemical reactions.
Reactor lining: Prevents oxidation in corrosive gas streams.
🛠️ Apply for custom processing for your project
Why Choose Gnee Steel?
Sourcing Nimonic 75 directly from a professional manufacturer gives you more than just raw materials:
✅️Tiered Wholesale Pricing: We offer highly competitive prices for both large orders and small-scale prototyping.
✅️In Stock: We maintain ample inventory of Nimonic 75 bars, plates, and tubes, minimizing your downtime.
✅️Full Traceability: Every delivery comes with an EN 10204 3.1 Material Testing Certificate (MTC).
✅️Global Logistics: Efficient door-to-door shipping services covering North America, Europe, and Asia.
Gnee Steel GH3030 Certificate
📦 Packaging and Shipping
All Nickel Based Alloy products are packaged using the following methods:
Wooden pallets or crates
Moisture-proof packaging
Labels with furnace number, standard, and size labels
Shipped worldwide by sea, air, or express
Gnee Steel GH3030 Product Packing
Contact us for the latest export price quote for GH3030 Alloy
FAQ
Q1: Why choose Nimonic 75 over 310S Stainless Steel for furnace applications?
A: While 310S is heat-resistant, Nimonic 75 (GH3030) offers significantly higher oxidation resistance and thermal fatigue strength above 800°C. It won't become brittle after long-term exposure, leading to a much lower total cost of ownership through extended service life.
Q2: Is Nimonic 75 suitable for marine or salt-spray environments?
A: Yes. Its high nickel and chromium content provides good resistance to general corrosion, although it is primarily designed for high-temperature oxidation resistance rather than aqueous corrosion.
Q3: Can you provide GH3030 for aerospace-certified projects?
A: Absolutely. We manufacture GH3030/Nimonic 75 to aerospace standards (AMS, BS, GB/T) and can provide ultra-clean materials melted via VIM (Vacuum Induction Melting) for critical flight components.
Q4: What forms of Nimonic 75 do you keep in stock?
A: As a comprehensive stockist, we maintain a wide range of round bars, cold-rolled sheets, and seamless tubing in common industrial sizes ready for immediate dispatch.
