What is the GH4090 alloy bar？
GH4090 is a high-performance precipitation hardening alloy composed primarily of nickel, chromium, and cobalt. This alloy is well-regarded for its exceptional high-temperature strength, corrosion resistance, and superior mechanical properties. GH4090 is ideal for use in demanding environments like aerospace, power generation, and chemical processing, where high performance and reliability are critical.
Key Features
Precipitation Hardening
GH4090 utilizes a precipitation hardening mechanism, which enhances its strength and mechanical properties. This process allows the alloy to achieve high tensile strength and yield strength, making it suitable for extreme environments.
High-Temperature Strength
GH4090 is engineered to maintain its strength and stability even at high temperatures, making it ideal for components exposed to continuous heat, such as turbine blades and combustion chambers.
Corrosion and Oxidation Resistance
The alloy exhibits excellent resistance to oxidation and corrosion, particularly in high-temperature environments that involve aggressive gases and chemicals.
Creep Resistance
GH4090 provides outstanding resistance to creep, preserving its mechanical properties under sustained high-temperature stress over long periods.
Good Fabricability
GH4090 can be easily welded and machined, making it a versatile material for various manufacturing processes, including those requiring precision and high-performance components.
Comparison Parameter Table
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 |
Manufacturing Process
GH4090 is produced using advanced metallurgical techniques to ensure high quality and performance. The typical manufacturing process includes:
Melting and Casting
GH4090 is first produced through a vacuum induction melting (VIM) process, which helps reduce impurities like sulfur and phosphorus. The molten metal is then cast into billets or ingots to form the base material.
Hot Working
The cast material is subjected to hot working, where it is heated to high temperatures and processed into bars, rods, or other forms. This step ensures the alloy is shaped and formed to precise dimensions.
Precipitation Hardening
GH4090 undergoes a controlled heat treatment process to induce precipitation hardening. During this stage, the alloy is heated to an elevated temperature, which causes specific precipitates to form, enhancing its mechanical properties such as tensile strength and resistance to deformation.
Solution Annealing and Aging
To further improve the mechanical properties, GH4090 is annealed at specific temperatures and then aged. This process helps achieve optimal hardness and strength for high-performance applications.
Machining and Finishing
After heat treatment, the alloy is machined into the desired shape. It is also given a surface finish, which can include polishing, pickling, or bright annealing, depending on the customer's requirements.
Inspection and Testing
To ensure that GH4090 meets the highest quality standards, rigorous inspections are carried out. These include spectrochemical analysis, tensile testing, and non-destructive testing (e.g., eddy current inspection) to verify the alloy’s properties and ensure compliance with ASTM standards.
Applications
Aerospace
GH4090 is widely used for critical aerospace components such as turbine blades, compressor discs, and jet engine parts that need to withstand high temperatures and mechanical stress.
Power Generation
The alloy is used in high-temperature components like gas turbine blades, combustion chambers, and turbine shafts in power plants and nuclear reactors.
Chemical Processing
GH4090 is ideal for use in equipment such as heat exchangers, reactors, and piping systems, especially in industries that involve aggressive chemical environments and elevated temperatures.
Automotive
GH4090 is employed in automotive applications such as turbochargers, exhaust components, and high-performance engine parts that require heat and corrosion resistance.
Our Advantage
Market Leader
We are one of the top 5 nonferrous metal suppliers in China, ensuring high-quality and reliable alloy products.
Flexible Product Offerings
Our extensive product range includes thousands of specifications, allowing us to meet the diverse needs of our customers across industries.
Low MOQ
We offer low minimum order quantities (MOQ), making it easier for you to order even small quantities of high-performance alloys.
Fast Production and Delivery
Our optimized production processes allow us to deliver your orders quickly and on time, no matter the size.
Quality Control
We use advanced spectrometers, tensile testers, and other professional equipment to ensure all our products meet stringent quality standards.
Professional Team
Our experienced team is ready to assist with inquiries, provide quick quotes, and recommend the best products for your needs.
Secure Packaging
We offer custom packaging solutions to ensure your products are delivered safely and in perfect condition.
Various Payment Methods
We provide a range of payment options, ensuring a seamless transaction process.
Long-Term Relationships
We have built strong relationships with our clients, many of which have lasted over 7 years.
Recognition in the Industry
Our company has received multiple awards for product quality and customer service, with recognition from major industry platforms like Google.
ABOUT US
About DLX ALLOY
CHANGZHOU DLX ALLOY CO, LTD was established in 2002 and has got ISO9001 International Quality Management System Certificate and SGS Certificate. Our factory is professional in researching and producing special alloy material. From melting, drawing, heat treatment, finishing and testing .We offer nickel based, copper-based, and iron-based alloys, including super alloy, welding materials, anti-corrosion alloy, Precision Alloy , FeCrAl alloy, NiCr alloy, CuNi alloy, thermocouple and etc, in the form of wire, strip, ribbon, bar, tube, plate.
About Our factory
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. We also provide chemical analysis reports for every FeCrAl alloy, NiCr alloy, and other products purchased.
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:
FAQ
Q1: What is GH4090 used for?
A1: GH4090 is used in high-temperature, high-stress applications, including aerospace, power generation, chemical processing, and automotive industries.
Q2: How can I place an order for GH4090?
A2: You can contact us via our website or email. Our sales team will assist you with the quotation and order process.
Q3: What is the minimum order quantity (MOQ) for GH4090?
A3: We offer low MOQ options and can also accommodate customized orders.
Q4: Can GH4090 be welded?
A4: Yes, GH4090 can be welded using standard techniques, including TIG and MIG welding.
Q5: How can I contact your company for more information?
A5: You can reach us through our website’s contact form or email our customer service team for inquiries. We offer 24/7 support.
