Welcome to Jiangsu DLX alloy Co., Ltd.
Email:sales8@dlx-alloy.com Mobile/Whatsapp:+86 199 0611 9641
Specialized manufacturer of high temperature alloys, precision alloys and Incoloy,over 20 years.
Whatsapp:+86 199 0611 9641
Email:sales8@dlx-alloy.com
Add:NO.32 West Taihu Road, Xinbei District, Changzhou, Jiangsu,China
High Temperature Tube
Product Details

The NI63 CR21-25 FE10-15% Durable Alloy Tube is an advanced, high-performance material specially designed for demanding industrial heating systems. Known for its exceptional resistance to high temperatures and corrosive environments, this alloy tube is made from a blend of nickel (Ni), chromium (Cr), and iron (Fe), making it ideal for high-stress and high-temperature applications.
This durable alloy tube is particularly beneficial for industries requiring reliable and long-lasting materials that can withstand extreme conditions, including high-pressure environments and thermal cycling. It is commonly used in the manufacturing of industrial heating systems, boilers, heat exchangers, and other high-temperature machinery.
Key Features of NI63 CR21-25 FE10-15% Alloy Tube
High Temperature Resistance: With a composition of NI63%, CR21-25%, and FE10-15%, this alloy tube is engineered to endure high temperatures, making it perfect for industrial heating applications.
Corrosion and Oxidation Resistance: The combination of nickel and chromium provides outstanding protection against oxidation and corrosion, ensuring longevity and reliable performance in harsh environments.
Superior Strength and Durability: This alloy tube has exceptional tensile strength, making it capable of withstanding high pressures without compromising its structural integrity.
Customizable Lengths: Available in a range of lengths to meet the specific requirements of your project, allowing for optimal fit and functionality in various heating systems.
High Elongation: Its elongation properties ensure the alloy tube can endure thermal expansion and pressure changes without cracking or deforming.


Comparison Parameter Table
Item | 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 |
Applications of NI63 CR21-25 FE10-15% Alloy Tube
The NI63 CR21-25 FE10-15% Durable Alloy Tube is a versatile material with wide-ranging applications in industries that rely on high-temperature and corrosive environments:
Industrial Heating Systems: The alloy tube is ideal for use in industrial heating systems, including boilers and heat exchangers, where high thermal and mechanical stress are common.
Chemical Processing: With its excellent corrosion resistance, this alloy tube is well-suited for chemical processing applications, including reactors and piping exposed to harsh chemicals.
Aerospace and Automotive Industries: The alloy’s ability to withstand high temperatures and pressure makes it suitable for aerospace engine components and high-performance automotive parts.
Power Generation: The durable alloy tube plays a vital role in power generation systems, where it is used in turbines, condensers, and other critical components that require high-temperature performance.
Marine Engineering: Due to its resistance to oxidation and corrosion, the alloy tube is commonly used in marine applications, such as ship boilers and engine parts exposed to both high temperatures and saltwater.


Support and Services
Our commitment to customer satisfaction extends beyond providing top-quality products. When you choose the NI63 CR21-25 FE10-15% Durable Alloy Tube, you receive comprehensive support and services:
Technical Guidance: Our expert team is available to offer advice on material selection, design considerations, and application processes to ensure optimal performance.
Customization Assistance: We provide tailored solutions based on your specific requirements, from alloy composition to product dimensions.
Rigorous Quality Testing: Every alloy tube undergoes thorough testing to ensure it meets the highest standards for strength, durability, and temperature resistance.
Training and Resources: We offer educational resources and training to ensure proper use and handling of the material for your projects.
Packing and Shipping
Packaging:
We take extra care in packaging the NI63 CR21-25 FE10-15% Durable Alloy Tube to ensure it arrives safely at your location. Each tube is securely packaged in sturdy containers to prevent damage or contamination during transit. Packaging includes:
Sealed containers to protect against environmental factors
Clear labeling with product name, weight, and safety information
Custom packaging options are available based on your preferences
Shipping:
We partner with reliable and reputable shipping companies to deliver your alloy tubes on time and in optimal condition. Once your order is shipped, we provide you with a tracking number for easy monitoring of the delivery progress.



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.



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.

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FAQ
Q: What is the brand name of the durable alloy tube?
A: The brand name of the durable alloy tube is DLX.
Q: What is the model number of the alloy tube?
A: The model number of the alloy tube is High Temperature Alloy Tube.
Q: Where is the alloy tube manufactured?
A: The alloy tube is manufactured in Jiangsu, China.
Q: What is the minimum order quantity (MOQ) for the alloy tube?
A: The MOQ for the alloy tube is 5.
Q: What is the estimated delivery time?
A: The estimated delivery time is 5-7 days after order confirmation.
Q: Can I customize the length of the alloy tube?
A: Yes, we offer customized lengths to meet your specific requirements.
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