Are you looking for a reliable Nimonic 75 alloy manufacturer in China? Many global purchasing managers face the challenge of long lead times and inflated prices from Western suppliers. Our factory solves this problem by producing high-purity Nimonic 75 (GH3030), a perfect technical alternative to Russian EI435 (ЭИ435) / VZh98. We employ a dual-melting process to provide aerospace-grade metallurgically complete products for your critical MRO (Maintenance, Repair, and Overhaul) and industrial heating projects.
Manufacturer of aerospace-grade EI435 Nimonic 75 alloy
Manufacturer of aerospace-grade EI435 Nimonic 75 alloy
Nimonic 75 (UNS N06075 / W.Nr. 2.4951, 2.4630) is a nickel-chromium alloy, commonly referred to as EI435 in Russian specifications, and is widely used in aerospace and high-temperature applications. It exhibits excellent oxidation resistance, moderate strength, and high creep resistance at temperatures up to 800°C (1470°F).
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. GH3030 Core Chemical Components (%)
| Nickel (Ni) | Chromium (Cr) | Titanium (Ti) | Iron (Fe) | Manganese (Mn) |
| Balance (≥75.0) | 19.0 - 22.0 | 0.15 - 0.35 | ≤ 1.50 | ≤ 0.70 |
2. GH3030 Mechanical Properties (at room temperature)
| Mechanical Properties (At Room Temp) | Value |
|---|---|
| Tensile Strength (Rm) | ≥ 685 MPa |
| Yield Strength (Rp 0.2) | ≥ 275 MPa |
| Elongation (A5) | ≥ 35% (Superior plasticity for deep drawing and complex shaping) |
Click to download the GH3030 alloy PDF file now
3. Key Characteristics of Aerospace-Grade Nimonic 75 Nickel-Chromium Alloy
High-Temperature Performance: Maintains strength and oxidation resistance even at extreme temperatures, making it an ideal material for gas turbine combustors, flame tubes, and exhaust systems.
Machining Performance: Offers good formability and weldability, suitable for complex sheet metal fabrication.
Standards: Typically conforms to BS HR 5 (bars), BS HR 203 (plates), and AMS 5754 (steels) specifications.
4. Typical Applications of GH3030 Alloy
Gas Turbine Components: Flame Tubes, Liners, and Combustion Chambers
Aerospace Fasteners: For applications requiring high heat resistance.
Industrial Furnace Engineering: Heat Treatment Equipment and Fixtures.
5. Why choose Gnee Steel to purchase high-temperature alloys?
Customer Pain Point: "Is the material truly traceable, and will it arrive undamaged?"
100% Traceability: Every bar and sheet is laser-marked with a heat number and supplied with a comprehensive EN 10204 3.1 Mill Test Certificate (MTC).
Strategic Logistics: We offer fast global shipping via sea and air. Our seaworthy packaging (reinforced plywood cases with anti-moisture lining) ensures your material arrives in pristine condition, regardless of the distance.
Third-Party Audits: We support inspections from SGS, TUV, and BV, giving you total peace of mind for your Aerospace MRO or defense contracts.
Gnee Steel GH3030 certificate
Contact us now to get the latest export price for GH3030 in 2026
Contact us for a quote on high-performance GH3030!
Stop paying exorbitant prices for Western brands. We can offer you the same aerospace-grade GH3030 superalloy at a lower price. Our team is ready to provide you with a rapid quote (RFQ) within 12 hours.
Email: [ru@gneesteelgroup.com]
WhatsApp/WeChat: +86 15824687445
Website: [https://www.china-plate-steel.com/]
FAQ
Q1: Can your GH3030 directly replace Russian EI435 (ЭИ435)?
A: Yes. GH3030 was originally designed based on the EI435 (ЭИ435) specification. It matches the chemical and mechanical profiles exactly, making it the preferred choice for Russian-designed engine maintenance in India, the CIS, and Southeast Asia.
Q2: What forms of Nimonic 75 do you have in stock?
A: As a large-scale manufacturer, we maintain an extensive inventory in stock of:
Round Bars: Φ10mm – Φ250mm (Bright ground or peeled).
Sheets: 0.5mm – 3.0mm (Cold rolled, ideal for stamping).
Seamless Pipes: OD 6mm – 114mm (Precision instrument grade).
Q3: What is the benefit of buying directly from your factory?
A: You eliminate middleman markups (saving 30-50% on ROI), gain direct access to our metallurgy engineers for technical support, and can request custom sizes and tolerances that stockists cannot provide.