Welcome to Changzhou DLX Alloy Co., Ltd.
Email:sales8@dlx-alloy.com Mobile/Whatsapp:+86 199 0611 9641
Specialized manufacturer of heaters, thermocouples and titanium,over 20 years.
Welcome to Changzhou DLX Alloy Co., Ltd.
Email:sales8@dlx-alloy.com Mobile/Whatsapp:+86 199 0611 9641
Specialized manufacturer of heaters, thermocouples and titanium,over 20 years.
Whatsapp：+86 199 0611 9641
Email：sales8@dlx-alloy.com
Add：NO.32 West Taihu Road, Xinbei District, Changzhou, Jiangsu,China
Inconel bar & Rod
Product Details
Inconel 718 bars are specifically designed to meet the demanding requirements of the oil and gas industry, particularly for wellhead components and downhole tubing. Known for their exceptional corrosion resistance and high mechanical strength, these bars ensure optimal performance in high-pressure and high-temperature environments. Inconel 718 bars are ideal for critical applications where reliability and durability are paramount, making them essential for safe and efficient extraction processes in the oil and gas industry.
Inconel 718's superior performance in harsh, aggressive environments, coupled with its ability to withstand severe stress and temperature fluctuations, ensures long-lasting service even under the most challenging conditions.
Item | Inconel 625 | Inconel 718 | Inconel 825 | |||||
C | ≤0.15 | ≤0.1 | 0.05-0.15 | ≤0.08 | ≤0.05 | ≤0.08 | ≤0.08 | ≤0.05 |
Mn | ≤1 | ≤1.5 | ≤0.5 | ≤0.35 | ≤0.5 | ≤0.35 | ≤1 | ≤1 |
Fe | 6-10 | rest | ≤3 | rest | 7-11 | rest | 5-9 | ≥22 |
P | ≤0.015 | ≤0.02 | ≤0.015 | -- | -- | -- | -- | -- |
S | ≤0.015 | ≤0.015 | ≤0.015 | ≤0.015 | ≤0.015 | ≤0.01 | ≤0.01 | ≤0.03 |
Si | ≤0.5 | ≤0.5 | ≤0.5 | ≤0.35 | ≤0.5 | ≤0.35 | ≤0.5 | ≤0.5 |
Cu | ≤0.5 | ≤1 | -- | ≤0.3 | ≤0.5 | ≤0.3 | ≤0.5 | 1.5-3 |
Ni | ≥72 | 58-63 | ≥44.5 | 50-55 | ≥58 | 50-55 | ≥70 | 38-46 |
Co | -- | -- | 10-15 | ≤10 | -- | ≤1 | ≤1 | -- |
Al | -- | 1-1.7 | 0.8-1.5 | ≤0.8 | -- | 0.2-0.8 | 0.4-1 | ≤0.2 |
Ti | -- | -- | ≤0.6 | ≤1.15 | -- | -- | 2.25-2.75 | 0.6-1.2 |
Cr | 14-17 | 21-25 | 20-24 | 17-21 | 27-31 | 17-21 | 14-17 | 19.5-23.5 |
Nb+Ta | -- | -- | -- | 4.75-5.5 | -- | 4.75-5.5 | 0.7-1.2 | -- |
Mo | -- | -- | 8-10 | 2.8-3.3 | -- | 2.8-3.3 | -- | 2.5-3.5 |
B | -- | -- | ≤0.006 | -- | -- | -- | -- | -- |
Shape | Size (mm) |
Wire | 0.02-7.50 |
Rod/Bar | 8.0-200 |
Strip | (0.5-2.5)*(5-180) |
Tube/Pipe | Customized |
Sheet/Plate | Customized |
Exceptional Heat Resistance:
Inconel 718 bars retain their strength and integrity even at extremely high temperatures. This makes them perfect for applications in gas turbines, jet engines, and wellhead components, which are exposed to intense heat in oil and gas extraction processes.
Superior Corrosion Resistance:
Inconel 718 offers outstanding resistance to oxidation and corrosion, especially in aggressive media such as hydrogen sulfide (H2S), chlorides, and other corrosive substances commonly found in the oil and gas industry. This ensures extended service life, reducing the need for frequent replacements.
High Mechanical Strength:
The high tensile strength of Inconel 718 bars makes them capable of enduring significant mechanical stress, which is crucial for components used in high-pressure environments, such as downhole tubing, wellheads, and other oil and gas extraction systems.
Flexible Fabrication Options:
Inconel 718 can be easily fabricated into various shapes and sizes, allowing for customization to fit specific application requirements, whether for turbines, reactors, or wellhead components. It is highly versatile, accommodating the diverse needs of industries like aerospace, automotive, and energy.
Weldability:
Inconel 718 is easily weldable using conventional welding methods such as TIG and MIG, which facilitates its integration into complex systems, including custom-built oil and gas equipment.
Thermal Stability:
Inconel 718 maintains performance even under fluctuating thermal conditions. This makes it ideal for high-stress applications, such as gas turbines and power generation, where operating temperatures can vary drastically.
Extended Longevity:
The combination of excellent corrosion resistance, high mechanical strength, and superior thermal stability means that Inconel 718 bars enjoy an extended service life. This reduces downtime and maintenance costs, making it a cost-effective solution for long-term operations.
Stress Corrosion Cracking Resistance:
Inconel 718 is engineered to resist stress corrosion cracking, making it a reliable material in high-stress environments such as those encountered in the oil and gas industry.
Chemical Compatibility:
Inconel 718 bars exhibit resistance to a wide range of aggressive chemicals, ensuring their durability and reliability in chemical processing, petrochemical plants, and other corrosive industrial environments.
1. Wellhead Components:
Inconel 718 bars are ideal for the production of wellhead components, such as valves, flanges, and fittings, that are subjected to high pressures and corrosive conditions. Their ability to resist stress corrosion cracking and oxidation makes them a perfect choice for these demanding applications.
2. Downhole Tubing:
Inconel 718's high mechanical strength and corrosion resistance make it ideal for downhole tubing, which must endure high-pressure, high-temperature, and corrosive environments during the extraction process.
3. Oil & Gas Extraction Systems:
Inconel 718 bars are used in various parts of extraction systems, including pumps, compressors, and heat exchangers, where reliability and durability are critical in harsh operational conditions.
4. Pressure Vessels:
These bars are often used in the construction of pressure vessels in oil rigs and offshore platforms, where resistance to corrosion and the ability to withstand high temperatures and pressures are essential.
5. Pipelines:
Inconel 718's ability to resist corrosion and high-temperature oxidation makes it an excellent material for components in pipelines transporting oil, gas, and other aggressive substances.
6. Gas Turbines & Compressors:
Inconel 718 bars are used in gas turbines and compressors for the oil and gas industry, where they endure extreme temperatures, pressure, and mechanical stress during the extraction and processing of natural gas and oil.
Alloy Composition:
Nickel (Ni): 50-55%
Chromium (Cr): 17-21%
Molybdenum (Mo): 2.8-3.3%
Iron (Fe): Balance (with trace amounts of cobalt, aluminum, titanium, niobium)
Tungsten (W): 1-1.5%
Niobium (Nb): 4.75-5.5%
Physical Properties:
Density: 8.19 g/cm³
Tensile Strength: 1,270 MPa (min)
Yield Strength: 1,000 MPa (min)
Elongation: 15-20% (min)
Hardness: Rockwell B 90-100
Melting Point: 1,300°C (2,372°F)
Temperature Resistance:
Capable of withstanding temperatures up to 700°C (1,300°F) with excellent strength retention at elevated temperatures.
Weldability:
Can be welded with standard welding techniques such as TIG, MIG, and resistance welding.
DLX Alloy offers custom Inconel 718 bars tailored to your specific needs. Whether you require a particular size, length, or surface finish (polished, matte, or custom finishes), we can meet your exact specifications. Our team is ready to provide you with precision products for your unique industrial applications.
Packaging:
Inconel 718 bars are securely packaged in protective wooden crates or boxes with cushioning to prevent any damage during shipping. All items are clearly labeled with product details for easy identification.
Shipping:
We offer global shipping via trusted logistics partners. Delivery times and shipping costs are calculated based on destination and order size. We also provide expedited shipping options.
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.
Q1: What are the typical applications of Inconel 718 bars in the oil and gas industry?
A1: Inconel 718 bars are commonly used in wellhead components, downhole tubing, pressure vessels, pipelines, and gas turbines for oil and gas extraction due to their exceptional heat resistance, mechanical strength, and corrosion resistance.
Q2: Can Inconel 718 bars withstand high temperatures?
A2: Yes, Inconel 718 bars can withstand temperatures up to 700°C (1,300°F) and retain their strength and integrity under these extreme conditions.
Q3: Are Inconel 718 bars easy to weld?
A3: Yes, Inconel 718 bars can be welded using standard welding methods such as TIG and MIG, making them versatile for integration into complex systems.
Q4: How long does it take to receive my Inconel 718 bars?
A4: The lead time is typically 7-15 days, depending on the order size and customization requirements.
Q5: Do you offer custom sizes for Inconel 718 bars?
A5: Yes, we offer custom lengths, diameters, and surface finishes for Inconel 718 bars to meet your specific industrial needs.
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