Our GH1140 superalloy plate is a nickel-iron-chromium alloy built to handle the toughest high-temperature environments. With additions like molybdenum and titanium, it delivers exceptional strength, oxidation resistance, and creep resistance up to 900°C. It’s a go-to for structural components in aerospace, power generation, and industrial applications where heat and stress are relentless. Our GH1140 plates are engineered to keep things solid and reliable, no matter how intense the conditions get.
Comparison Table: GH1140 vs. Other Superalloys
Parameter | GH1140 | Other Superalloys |
|---|---|---|
Nickel Content | 35-40% | 40-65% typically |
Chromium Content | 14-17% | 15-23% typically |
Molybdenum Content | 1-2% | 3-10% typically |
Tensile Strength (MPa) | 800-1000 | 700-1200 |
Oxidation Resistance | Excellent up to 900°C | Moderate to excellent up to 700-1200°C |
Max Operating Temp (°C) | 900 | 600-1000 |
Weldability | Good | Moderate to good |
Applications | Structural, aerospace | General high-temp use |
Industry Analysis
The superalloy market is on a hot streak, driven by demand in aerospace, power generation, and industrial sectors. Valued at USD 99.98 billion in 2024, it’s projected to hit USD 145.9 billion by 2034, with a CAGR of 3.8%. The push for lightweight, durable materials in high-performance applications like jet engines and turbines is fueling growth, with GH1140’s balance of strength and cost-effectiveness making it a standout. Additive manufacturing is also changing the game, with GH1140’s weldability supporting complex structural parts. While raw material price swings pose challenges, the need for reliable, high-temperature alloys keeps the market thriving.
Item | A-286 | Nimonic80A | Nimonic 90 | GH1140 | GH3625 | GH3536 | GH4169 |
C | ≤0.08 | ≤0.1 | ≤0.13 | 0.06-0.12 | ≤0.1 | 0.05-0.15 | ≤0.08 |
Mn | ≤2 | ≤1 | ≤1 | ≤0.7 | 3.14-4.15 | -- | ≤0.35 |
Fe | rest | ≤3 | ≤1.5 | rest | ≤0.5 | -- | rest |
P | ≤0.04 | ≤0.02 | -- | ≤0.025 | -- | -- | -- |
S | ≤0.03 | ≤0.015 | ≤0.015 | ≤0.015 | -- | -- | ≤0.01 |
Si | ≤1 | ≤1 | ≤1 | ≤0.8 | -- | -- | ≤0.35 |
Cu | -- | -- | ≤0.2 | -- | -- | -- | ≤0.3 |
Ni | 24-27 | rest | -- | 35-40 | rest | rest | 50-55 |
Co | -- | ≤2 | 15-21 | -- | ≤1.00 | 0.5-2.5 | ≤1.00 |
Al | ≤0.35 | 1-1.8 | 1-2 | 0.2-0.6 | ≤0.4 | ≤0.5 | 0.2-0.8 |
Ti | 1.9-2.35 | 1.8-2.7 | 2-3 | 0.7-1.2 | ≤0.4 | ≤0.15 | 0.7-1.15 |
Cr | 13.5-16 | 18-21 | 18-21 | 20-23 | 20-23 | 20.5-23 | 17-21 |
Nb | -- | -- | -- | -- | -- | -- | 4.75-5.5 |
Mo | 1-1.5 | -- | -- | 2-2.5 | 8-10 | 8-10 | 2.8-3.3 |
B | 0.001-0.1 | ≤0.008 | ≤0.02 | -- | -- | -- | -- |
V | 0.1-0.5 | -- | -- | -- | -- | -- | -- |
W | -- | -- | -- | 1.4-1.8 | -- | 0.2-1 | -- |
Zr | -- | ≤0.15 | ≤0.15 | -- | -- | -- | -- |
Pb | -- | -- | ≤0.002 | -- | -- | -- | -- |
Ce | -- | -- | -- | ≤0.05 | -- | -- | -- |
Size Range | |
Wire | 0.5-7.5mm |
Rod/Bar | 8.0-200mm |
Strip | (0.50-2.5)*(5-180)mm |
Tube | custom made |
| Plate | custom made |
For more details, pls directly contact us.
Our GH1140 superalloy plate performs in:
Aerospace Structures: Ideal for airframe components and engine supports enduring high heat and stress.
Power Generation: Used in turbine casings and structural parts for gas and steam turbines.
Industrial Furnaces: Resists oxidation and thermal cycling in high-temperature processing equipment.
Petrochemical Equipment: Supports structural components in high-pressure, high-heat environments.
High-Temperature Fasteners: Provides strength and durability for critical structural applications.
Its versatility and toughness make it a trusted choice for demanding structural needs.
Our Company’s Advantage
We’re proud to deliver GH1140 superalloy plates that set the bar for quality and performance. Our plates are crafted with cutting-edge manufacturing, ensuring consistent alloy composition and top-notch mechanical properties. We offer customized solutions—specific sizes, thicknesses, or finishes—to fit your project like a glove. Every plate meets strict ASTM standards, backed by rigorous quality control to ensure reliability in extreme conditions. Our efficient production and supply chain mean fast delivery and competitive pricing, giving you premium materials witho
About Us:
Our 12,000㎡ factory is equipped with complete capabilities for research, production, testing, and packaging. We strictly adhere to ISO 9001 standards in our production processes, with an annual output of 1,200 tons. This ensures that we meet both quantity and quality demands. Furthermore, all products undergo rigorous simulated environment testing including high temperature, high pressure, and corrosion tests before being dispatched, ensuring they meet customer specifications..For all our clients, we offer timely and multilingual after-sales support and technical consulting, helping you resolve any issues swiftly and efficiently.
Client Visits
Building Stronger Partnerships
We support all kinds of testing:
FAQs
What is GH1140 superalloy plate used for?
It’s used for structural components in aerospace, power generation, and industrial furnaces under high heat and stress.Why is GH1140 ideal for high-temperature applications?
Its nickel-iron-chromium base with molybdenum and titanium offers great strength and oxidation resistance up to 900°C.How does GH1140 resist corrosion?
High chromium content forms a protective oxide layer, guarding against oxidation and corrosion in harsh environments.Is GH1140 suitable for high-stress environments?
Yes, it provides excellent creep resistance and strength for demanding structural applications.What industries rely on GH1140 plates?
Aerospace, power generation, and industrial furnace manufacturing depend on its high-temperature performance.Can GH1140 be welded?
Yes, it has good weldability, making it ideal for fabricating complex structural components.Can GH1140 be customized for specific projects?
We offer tailored sizes, thicknesses, and finishes to meet your project’s unique requirements.What are the mechanical properties of GH1140?
It has a tensile strength of around 800-1000 MPa and maintains stability at high temperatures.