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[China]
Trade Verify
Address: 20TH FLOOR,NO.1 NEW WORLD BUILDING ,NO.1018 MINAN ROAD,YINZHOU DISTRICT, NINGBO CITY, ZHEJIANG PROVINCE, CHINA
Contact name:Jikin Cai
Yuhong Group Co.,Ltd |
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Verified Suppliers
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Overview:
The tube is primarily composed of Inconel 625, an alloy consisting of approximately 58% nickel, 20-23% chromium, 8-10% molybdenum, and small amounts of niobium, iron, and other elements. This composition provides superior resistance to a wide range of corrosive environments, including seawater, acids, alkalis, and high-temperature oxidizing and reducing environments.
The U-bend design allows the tube to smoothly change direction, resembling the shape of the letter "U." This configuration allows for compact installations and efficient heat transfer in heat exchangers, condensers, and other equipment requiring directional changes in fluid or gas flow.
Inconel 625 U-bend tubes exhibit excellent mechanical strength and stability at high temperatures. They can withstand temperatures up to 1093°C (2000°F) without significant loss of strength, making them suitable for applications in industries such as aerospace, chemical processing, and power generation.
Inconel 625 offers exceptional resistance to corrosion, including pitting, crevice corrosion, and intergranular attack. It performs well in various harsh environments, including seawater, acidic and alkaline solutions, and environments containing sulfur compounds. As a result, the Inconel 625 U-bend tube is widely used in offshore and marine applications, chemical processing plants, and oil and gas industries.
Specification:
| Specifications | ASTM B444 & Its equivalent ASME, DIN & EN Standard. |
| Grades | UNS N06625/DIN 2.4856/INCONEL 625 |
| Type | U-bend & Straight seamless tube |
| Outside Diameter | 1/4'' to 1'' or custom size |
| Wall Thickness | BWG25;BWG22;BWG20;BWG18;BWG16;BWG14;BWG12;BWG10 |
| Length | custom cut lengths |
| Delivery Condition | Solution Annealed & Pickled |
| Ends | Plain End, Beveled End |
| Other Testing | Product Analysis, Eddy Current Test, Hydrostatic Test, Ultrasonic Test, Flattening Test, Hardness Test, Tensile Test etc. |
| Dimension | All Pipes & Tube Is Manufactured and Inspected / Tested to the Relevant standards including ASTM and ASME |
| Packing | Plywood case |
Chemical Composition:
| Grade | C | Mn | Si | P | S | Cr | Nb+Ta | Co | Mo | Fe | Al | Ti | Ni |
| UNS N06625 | 0.10 max. | 0.50 max. | 0.50 max. | 0.015 max. | 0.015 max. | 20.0-23.0 | 3.15-4.15 | 1.0 max. | 8.0-10.0 | 5.0 max. | 0.40 max. | 0.40 max. | 58.0 min. |
Mechanical Properties:
| Grade | Condition | Tensile Strength min, ksi (MPa) | Yield Strength min, ksi (MPa) | Elongation in 2 in. or 50mm, min (%) |
| UNS N06625 | Gr.1(annealed) Gr.2(solution annealed) | 120(827) 100(600) | 60(414) 40(276) | 30 30 |
Applications:
1. Heat Exchangers: Inconel 625 U-bend tubes are extensively used
in heat exchangers for efficient heat transfer in processes
involving high temperatures and corrosive media. They provide
excellent resistance to corrosion and maintain their mechanical
strength, making them suitable for demanding heat exchange
applications in chemical processing, petrochemical, and power
generation industries.
2. Oil and Gas Industry: Inconel 625 U-bend tubes are utilized in
offshore and onshore oil and gas applications due to their
remarkable corrosion resistance in environments containing
chloride, hydrogen sulfide, and other corrosive compounds. They are
employed in oil and gas production, refining, and processing
equipment such as separators, condensers, and heat exchangers.
3. Aerospace Industry: Inconel 625 U-bend tubes find use in the
aerospace sector for applications requiring high-temperature
strength, corrosion resistance, and durability. They are utilized
in aircraft hydraulic systems, engine components, and exhaust
systems, where they can endure extreme heat and resist the
corrosive effects of combustion byproducts.
4. Chemical Processing: Inconel 625 U-bend tubes are well-suited
for chemical processing plants that handle corrosive chemicals and
acids. They are employed in reactors, distillation columns, and
other equipment where resistance to aggressive environments is
crucial. The tubes offer protection against localized corrosion and
are resistant to chloride-induced stress corrosion cracking.
5. Power Generation: Inconel 625 U-bend tubes find application in
power plants, particularly in boilers and heat exchangers. They can
withstand high-temperature steam environments, resist scaling and
oxidation, and provide reliable performance in corrosive
conditions, contributing to efficient energy generation.
6. Marine and Offshore: Inconel 625 U-bend tubes are used in marine
and offshore applications due to their resistance to seawater
corrosion, including pitting and crevice corrosion. They are
employed in seawater desalination plants, offshore oil rigs, and
vessels where durability and longevity are critical, such as
cooling systems and pipelines.
7. Chemical and Petrochemical Industry: Inconel 625 U-bend tubes
are widely utilized in the chemical and petrochemical sectors,
where they resist corrosive chemicals, acidic environments, and
elevated temperatures. They find application in reaction vessels,
acid storage tanks, and other equipment requiring excellent
corrosion resistance and high-temperature capabilities.
