Product Description
![[Hot Item] Duplex 2507 Stainless Steel Pipe ASTM A789 Corrosion Resistant Od26.9-965mm High Toughness Used for Tank Pipelines 2507 Stainless Steel Tube (1)](https://i0.wp.com/www.micstatic.com/athena/img/transparent.png "[Hot Item] Duplex 2507 Stainless Steel Pipe ASTM A789 Corrosion Resistant Od26.9-965mm High Toughness Used for Tank Pipelines 2507 Stainless Steel Tube (1)")
Product Parameters
| Specifications | Astm A790/ ASME SA790 |
| Pipe Thickness | 0.5mm - 80 mm |
| Pipe Standard | EN, ASTM, ASME AISI, GB, JIS, DIN Super Duplex 2507 Pipe Supplier |
| Super Duplex 2507 Seamless Pipe Outer Diameter | Sizes up to 12" NB/ 6.00 - 250 mm OD |
| Super Duplex 2507 Welded Pipe size | 5.0 to 1219.2 mm |
| Super Duplex 2507 Seamless Tube Size | 6.35 - 810 mm OD |
| Super Duplex 2507 EFW Pipe size | 5.0 - 1219.2 mm |
| Super Duplex 2507 tubing wall thickness | 0.0020″ to 0.0220″ (custom wall thicknesses available) |
| Super Duplex 2507 Seamless Tube Size | 15 NB - 508 NB IN/ 3.35 To 508 mm OD, |
| Super Duplex 2507 Pipe & Tube Finish | AP (Annealed & Pickled), Polished, MF, BA (Bright & Annealed), NO.4, NO.1, BA, 2B, 8K, HL, Mirror finish,etc |
| Pipe & Tube Swg & Bwg | 12 Swg., 10 Swg., 16 Swg., 14 Swg., 20 Swg, 18 Swg. |
| Super Duplex 2507 Pipe Schedule | SCH10, SCH 5, SCH 80, SCH 40, , SCH 160, SCH 80S, SCH XS, SCH XXS |
| Super Duplex 2507 Pipe & Tube Form | Hydraulic, Round, Rectangular, Hollow, Pan Cake Coils, Square, Coiled, "U" Shape, Straight Pipes etc. |
| Super Duplex 2507 Pipe & Tube Length | Standard & Cut length, Single and Double Random, |
| Super Duplex 2507 Pipe & Tube Type | Super Duplex 2507 ERW/ Seamless / Welded / EFW / CDW /Fabricated / CEW/ DOM Pipe |
| Pipe Value Added Service | as per required Size & Length Draw & Expansion , Pickled Bending and Polish (Electro & Commercial) Annealed, Machining Etc. |
| Super Duplex 2507 Tube Application | Oil Tube, Boiler and Heatexchanger, Gas Tube, Fluid Tube |
| Super Duplex 2507 Pipe & Tube End | Beveled End, Plain End, Treaded Pipe. |
| Pipe Marking | marked as follows All Super Duplex 2507 Pipes : Standard, Grade, Thickness, OD, Heat No. (Or according to the customer's request.), Length |
| Material Test Certificates (MTC) | 100% Radiography Test Report, Raw Materials Certificate |
| Material Test Certificates (MTC) as per EN 10204 3.1, EN 10204/3.1B and EN 10204 3.2 | |
| Manufacturer Test Certificate | |
| Form A for Generalized System of Preferences (GSP) | |
| Fumigation Certificates | |
| Third Party Inspection Report | |
| Heat Treatment Charts | |
| Super Duplex 2507 Tubes HS Code Commercial Invoice | |
| Laboratory Test Certificate from Govt. Approved Lab. | |
| Specialized in | Super Duplex 2507 Heat Exchanger & Condenser Tubes |
| Super Duplex 2507 Capillary Tube & Other Odd Size | |
| Large Diameter Super Duplex 2507 Pipe |
Detailed Photos
Stainless Steel Welded Tubes
Our premium stainless steel tubular products, meticulously crafted from high-grade stainless steel strips, are expertly roll-formed and fusion-welded along the longitudinal seam. Daxun's unparalleled welding process stands out, utilizing no filler metal whatsoever.
Quick Response
- Exceptional resistance to uniform corrosion
- Superior resistance to inorganic acids and chlorides
- Ideal for use with dilute hydrochloric acid
- Enhanced machinability and weldability
- Outstanding resistance to stress corrosion cracking in chloride-rich environments
- Excellent resistance against pitting and crevice corrosion
- Strong resistance to overall corrosion
- Exceptionally high mechanical strength
- Superior weldability
- High impact strength
Stainless Steel Drawn Tube
Our stainless steel tubular products go through a precise rolling and re-drawing process to attain the final size, making them ideal for thick-walled, large-diameter tubes. This method offers significant cost advantages over seamless tubes, and all drawn tubes are bright annealed for unmatched quality.
Daxun Advantages
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Daxun Alloy is dedicated to providing defect-free products by:
Producing the highest quality and value 2507 stainless steel pipe products, ensuring quick response and timely delivery, prioritizing health, safety, and environmental protection, and adhering to legal standards. We leverage our extensive experience and culture of continuous improvement to meet or exceed customer expectations and requirements for 2507 stainless steel pipes.
Stainless Steel Seamless Tube
Our stainless steel seamless tubes are meticulously crafted from hollow sections produced through piercing or hot extrusion processes. These tubes are ideal for large diameter-to-wall thickness ratios and offer exceptional external dimensional tolerances.
Quality, Delivery, Inspection
- At Jiangsu Daxun Alloy Co., Ltd., we uphold a commitment to excellence through rigorous quality assurance tests. Our comprehensive suite of tests includes the flattening test, pitting and resistance test, mechanical test, hardness test, material positive identification, and expansion test. These meticulous tests ensure our materials are perfectly suited for your demanding applications.
- Throughout the production process, we meticulously measure the diameter, thickness, and surface quality of our products. Our standard delivery timeline is between 7 to 15 days. For special-sized products, this timeline may extend up to 20 days, ensuring every detail meets your exact specifications.
We strictly adhere to the delivery timelines outlined in our contracts, ensuring punctual and reliable service. - We welcome and support inspections by customer-authorized third-party agencies at our factory.
- We offer free samples to customers for rigorous testing, allowing you to experience our exceptional quality firsthand.
- We provide on-site or video factory inspection options, ensuring transparency and trust in our manufacturing process.
Discover the unrivaled stainless steel pipe manufacturing capabilities of Daxun.
Our forming capabilities are second to none, featuring state-of-the-art extrusion and cold working facilities for tube and pipe manufacturing. We proudly house one of the world's largest pilger mills and a unique hydroforming process for precision fittings.
Unveiling Daxun's extraordinary pipe processing capabilities.
As a vertically integrated manufacturer, Daxun offers a comprehensive one-stop-shop solution. Whether managing an entire project or handling specific machining jobs, our extensive capabilities include straightening, drilling, honing, trepanning, cutting, testing, boring, machining, laser welding, polishing, turning, and specialized services.
Daxun: Your ultimate destination for Bigger, Better Pipe Solutions.
With an impressive array of vertical and horizontal presses ranging from a powerful 12,000 to a colossal 35,000 tons, Daxun Alloy Co. stands at the pinnacle of the pipe extrusion industry. Our unparalleled capabilities enable us to produce the longest and largest diameter pipes available, setting new standards of excellence.
Daxun Alloy Co. is a trusted partner in the power generation sector, providing indispensable components such as ductwork, boiler tubes, main steam tubes, thermal reheat tubes, and flue gas desulfurization units. Our meticulously engineered products meet the rigorous demands of nuclear, coal-fired, renewable energy, and combined cycle power plants, ensuring optimal performance and reliability across diverse applications.
Packaging & Shipping
Company Profile
As a global leader in stainless steel pipe and tube fabrication services, Jiangsu Daxun Alloy Co., Ltd. offers unparalleled expertise and quality.
Daxun Alloys delivers a comprehensive range of Duplex 2507 Stainless Steel Pipes, including 2507 Welded Pipes and 2507 Seamless Pipes, available in various dimensions and conforming to stringent industry standards such as ASTM, ASME, EURONORM, and AFNOR. With AS 9100D Certification, we supply ASTM A790, UNS S32750, and UNS S32760 Seamless Pipes, ensuring exceptional quality from China.
Duplex 2507 stainless steel is a high-performance super duplex alloy characterized by its low carbon content (up to 0.03%), along with significant amounts of chromium (~25%), nickel (~7%), and molybdenum (~4%). Designed to excel in demanding applications that require superior strength and corrosion resistance, Duplex 2507 is ideal for chemical process equipment, the petrochemical sector, and seawater systems. Its high chromium, molybdenum, and nitrogen content render it exceptionally resistant to pitting, crevice corrosion, and chloride-induced stress corrosion cracking.
At Daxun Alloy, we have an in-depth understanding of international specifications for super duplex seamless pipes. Our extensive product knowledge enables us to supply the precise products our customers need. We are recognized as one of China's leading super duplex pipe suppliers due to our competitive pricing, superior quality, and timely delivery.
Super duplex seamless pipes are crucial in the oil and gas industry, particularly in high-salinity horizontal wells or brine injection wells that enhance oil recovery. These pipes offer remarkable strength and resistance to corrosion, fatigue, and erosion. ASTM A790 S32750 pipes are highly resistant to uniform corrosion from organic acids like acetic and formic acids. Additionally, Super Duplex Stainless Steel Seamless Pipes provide excellent thermal conductivity and energy absorption. Super Duplex Hollow Pipes are also easy to machine and weld. When heated, Werkstoff 1.4410 pipes exhibit minimal deformation, preventing defective flanges or connections. 2507 Super Duplex Pipes are extensively used in heat exchangers for chemical processing, offshore oil and gas, and petrochemical industries. Our 2507 Super Duplex Stainless Steel Pipes adhere to international standards and are supplied to various industries worldwide.
Chemical Composition of 2205/S32205/S31803 Stainless Steel Pipe
| Grade | Super Duplex 2507 |
| UNS Designation | S32750 |
| Carbon (C) Max. | 0.03 |
| Manganese (Mn) Max. | 1.2 |
| Phosphorous (P) Max. | 0.035 |
| *** (S) Max. | 0.02 |
| Silicon (Si) Max. | 0.8 |
| Chromium (Cr) | 24.0-26.0 |
| Nickel (Ni) | 6.0-8.0 |
| Molybdenum (Mo) | 3.0-5.0 |
| Nitrogen (N) | 0.24-0.32 |
| Iron (Fe) | Bal. |
| Copper (Cu) | 0.5 |
| Other Elements | - |
Mechanical Properties of 2205/S32205/S31803Stainless Steel Pipe
| Physical Properties of Super Duplex 2507 Alloys in the Annealed Condition at -20°F to +100°F | ||||||||||||||
| Tensile Strength | Yield Strength | |||||||||||||
| Alloy | UNS Designation | Spec. | psi | MPa | ksi | psi | MPa | ksi | Elongation in 2 in. (min.) % | Grain Size Req. | Max. Hardness | Modulus of Elasticity (x106psi) | Mean Coefficient of Thermal Expansion (IN./IN./°F x 10-6) | Thermal Conductivity (BTU-in/ ft2-h-°F) |
| Super Duplex 2507 | S32950 | A789, A790 | 100,000 | 690 | 100 | 70,000 | 485 | 70 | 20 | - | 30.5 Rc | - | - | - |
| Super Duplex 2507 | S32750 | A789, A790 | 116,000 | 800 | 116 | 80,000 | 550 | 80 | 15 | - | 32 Rc | 27.5 | 7.2 | 98 |
2205/S32205/S31803 Stainless Steel Pipe: PHYSICAL PROPERTIES
| Density, lb/in3 | 0.28 |
| Modulus of Elasticity, psi | 29.0x 106 |
| Coefficient of Thermal Expansion, 68-212˚F, /˚F | 7.5 x 10-6 |
| Thermal Conductivity, Btu/ft hr ˚F | 8 |
| Specific Heat, Btu/lb ˚F | 0.12 |
| Electrical Resistivity, Microhm-in | 31.5 |
Certifications
- Daxun Alloy Stainless Steel inventory proudly features Duplex 2507 Stainless Steel Pipe. As a super duplex stainless steel, it boasts 25% chromium, 4% molybdenum, and 7% nickel. This alloy is engineered for applications demanding superior strength and corrosion resistance, making it ideal for chemical processing, petrochemical, and seawater equipment. Its formidable resistance to chloride stress corrosion cracking, outstanding thermal conductivity, and low coefficient of thermal expansion ensure elite performance. The high levels of chromium, molybdenum, and nickel deliver unparalleled resistance to pitting, crevice, and general corrosion.
- Duplex 2507 (UNS S32750) is a premier super duplex stainless steel pipe containing 25% chromium, 4% molybdenum, and 7% nickel. It's meticulously designed for the most demanding applications where high strength and exceptional corrosion resistance are prerequisites, such as in chemical processing, petrochemical, and seawater gear. It stands out with robust resistance to chloride stress corrosion cracking, high thermal conductivity, and minimal thermal expansion. The elevated chromium, molybdenum, and nickel content confer excellent resistance to pitting, crevice, and general corrosion.
- Oil and gas industry equipment
- Offshore platforms, heat exchangers, process and service water systems, fire-fighting systems, injection and ballast water systems
- Chemical process industries, heat exchangers, vessels, and piping
- Desalination plants, high pressure RO-plant and seawater piping
- Mechanical and structural components, high strength, corrosion-resistant parts
- Power industry FGD systems, utility and industrial scrubber systems, absorber towers, ducting, and piping
- ASTM/ASME ...…. A240 - UNS S32750
EURONORM...... 1.4410 - X2 Cr Ni MoN 25.7.4
AFNOR........... Z3 CN 25.06 Az
Q1: What products can you offer?
A: We provide a broad spectrum of steel types including 310S, 316L, 304, 304L, 201, 904L, 316H, 316, 316L 300 series, and duplex stainless steel like 2205, 2304, 2101, 2507, and high-nickel alloys such as 904L, 800H, 600H.
400 series, duplex stainless steel such as 2205, 2304, 2101, 2507, etc., and high-nickel alloys like 904L, 800H, 600H.
Q2. Can you produce the products according to my own drawings?
Yes, we can manufacture products based on your drawings to ensure they meet your utmost satisfaction.
Q3. How does your factory do regarding quality control?
Quality is our top priority. We place immense importance on quality control from the very beginning to the final stages.
Q4. Can I request to change the form of packaging and transportation?
Yes, we can alter the form of packaging and transportation based on your request,
but you will need to cover any additional costs and differences incurred during this period.
Q5. How does your factory do regarding quality control?
Quality is our top priority. We place immense importance on quality control from the very beginning to the final stages.
Q6. How long is the delivery time?
A: 7~20 working days after payment confirmation.
For urgent orders, we will expedite processing to meet your needs.
Q7. What is your Payment?
A: We offer 100% T/T advance payments and Western Union for smaller orders.
B: For your convenience, we also accept 30% T/T upfront and the remaining 70% before shipment.
C: We provide the option of 100% Irrevocable LC at sight for larger orders.
Q8: Can you make DDQ (Deep Drawing Quality)?
A: Absolutely! Our materials are ideal for manufacturing stainless steel pots, sinks, bowls, and more. Just let us know your specific application, and we will tailor the mechanical properties to match your needs.
Q9: How to get a sample?
A: We are pleased to offer FREE samples for your evaluation and testing. For small pieces, we may cover the courier costs, depending on the circ*mstances.
Q10: Which countries have you exported to?
A: To date, our stainless steel materials have reached Vietnam, Thailand, Turkey, Russia, Morocco, Korea, India, Pakistan, UAE, Ukraine, and many other countries.
Q11: How to visit your company?
A: Simply fly to Guangzhou Baiyun International Airport, and we will arrange to pick you up from there.
![[Hot Item] Duplex 2507 Stainless Steel Pipe ASTM A789 Corrosion Resistant Od26.9-965mm High Toughness Used for Tank Pipelines 2507 Stainless Steel Tube (2024)](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mP8/h8AAvMB+NzmkbcAAAAASUVORK5CYII=)