The Ultimate Guide to GH3030 High Temperature Alloy
The Ultimate Guide to GH3030 High Temperature Alloy
GH3030 is a nickel-chromium-based (8ONi-20Cr) solid solution strengthened superalloy with excellent oxidation resistance and structural stability at temperatures up to 1100°C. It is known for its high plastic deformation capacity below 800°C, making it particularly suitable for jet engine combustion chambers, industrial furnace components, and chemical equipment requiring heat resistance but low loads.
What are high-temperature alloys?
High-temperature alloys generally refer to materials that possess strength, environmental resistance, and stability within a temperature range of 500°F (260°C) to 2200°F (1205°C).
Welcome to the ultimate guide to GH3030 high-temperature alloys. Understanding the complex chemical composition and mechanical properties of GH3030 is crucial for material selection in aerospace, nuclear power, and industrial heating projects for technical professionals and purchasing managers.
GH3030 is a nickel-chromium-based solid solution-strengthened high-temperature alloy designed for highly oxidizing environments up to 800°C. As a leading manufacturer of nickel alloys, Gnee Steel provides this comprehensive GH3030 datasheet to ensure your projects meet stringent safety and performance standards.
1. GH3030 Chemical Composition (%)
The stability of GH3030 superalloy at high temperatures is rooted in its precise chemical balance. The high Nickel and Chromium content provides the "backbone" for oxidation resistance.
| Element | Nickel (Ni) | Chromium (Cr) | Titanium (Ti) | Iron (Fe) | Carbon (C) | Manganese (Mn) |
| Percentage | Balance | 19.0 - 22.0 | 0.15 - 0.35 | ≤ 1.50 | ≤ 0.12 | ≤ 0.70 |
Silicon (Si): ≤ 0.80% | Phosphorus (P): ≤ 0.030% | Sulfur (S): ≤ 0.020%
Note: Precise control of Titanium ensures a refined grain structure and prevents thermal embrittlement.
2. Mechanical properties of GH3030 (at room temperature)
One of the key reasons for the widespread availability of GH3030 material is its excellent plasticity, which makes it ideal for complex cold stamping and welding.
Tensile Strength (Rm): ≥ 685 MPa
Yield Strength (Rp 0.2): ≥ 275 MPa
Elongation (A5): ≥ 35% (High ductility for deep drawing)
Brinell Hardness (HBW): ≤ 200
3. Physical properties of GH3030 alloy
Understanding the physical constants is vital for thermal expansion calculations and structural engineering.
Density: 8.4 g/cm³
Melting Point Range: 1374°C - 1420°C
Thermal Conductivity: 10.5 - 14.6 W/(m·K)
Specific Heat Capacity: 435 - 460 J/(kg·K)
Magnetic Properties: Non-magnetic
Get a price comparison of GH3030 with Western brands
4. GH3030 Alloy International Grade Comparison Table
If your project specifies the use of Russian or Western brands, our GH3030 high-temperature alloy is a direct alternative, providing a cost-effective solution without compromising quality.
Russia: EI435 (ЭИ435) / VZh98 (ВЖ98)
UK: Nimonic 75
USA: Alloy 75 / UNS N06075
Germany: W.Nr. 2.4951 / NiCr20Ti
5. Gnee Steel Inventory and Product Services
As a trusted Chinese high-temperature alloy manufacturer, Gnee Steel offers flexible supply solutions to meet your production cycles.
Product Forms: Seamless steel pipes, round bars, cold-rolled sheets.
Certifications: Each batch of products comes with an EN 10204 3.1 factory inspection certificate (MTC).
Surface Treatments: Bright annealing (BA), pickling (AP), peeling, or polishing.
Inventory: Large stock of standard sizes for rapid global export.
Customization Services: We can provide precision cutting and custom-sized services based on your inquiry.
Contact us now to get the latest export price for GH3030 in 2026
Contact us for a quote on high-performance GH3030 tubing!
Stop paying exorbitant prices for Western brands. We can offer you the same aerospace-grade GH3030 superalloy tubing 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
Q: What are the advantages of GH3030 compared to ordinary stainless steel?
A: Ordinary stainless steel typically loses strength and oxidation resistance above 600°C. GH3030 is a nickel-based superalloy that maintains high thermal strength and a stable microstructure even at temperatures up to 800°C, making it an ideal material for combustion chambers and industrial furnace linings.
Q: Is GH3030 easy to weld?
A: Yes! GH3030 has excellent weldability and is suitable for argon arc welding (GTAW), gas metal arc welding (MIG), and spot welding. In most applications, no complex preheating or post-weld heat treatment is required.
Q: What is the lead time for customized GH3030?
A: For in-stock products, we will ship within 7-10 days. For custom production, the lead time is typically 30-45 days, depending on specifications and quantity.
