Basic Info.
Model NO.
2507 Stainless Steel Tube
Type
Stainless Steel Pipes
Standard
ASTM, AISI, GB, JIS, EN
Grade
Ss2507 S32750 S32760
Certification
ISO, RoHS, IBR, AISI, ASTM, GB, EN, DIN, JIS
Surface Treatment
Pickling
Surface
Pickling, Polishing, Ba
Delivery State
Solution Annealing
Transport Package
Wooden Box + Strapping
Specification
OD 6.35mm-OD 1219mm
Product Description
| 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 |
Stainless Steel Welded TubesOur premium-grade stainless steel tubular products, meticulously crafted from high-quality stainless steel strips, are expertly roll-formed and fusion-welded along the longitudinal seam. At Daxun, our welding process is a testament to excellence, employing zero filler metal for unparalleled precision and durability.
Quick Response
- Extraordinary resistance to uniform corrosion
- Superior resistance to inorganic acids and chlorides
- Ideal for applications involving dilute hydrochloric acid
- Enhanced machinability and weldability
- Outstanding resistance to stress corrosion cracking in chloride-concentrated environments
- Exceptional resistance to pitting and crevice corrosion
- Robust resistance to general corrosion
- Remarkably high mechanical strength
- Excellent weldability
- High impact strength and durability
Stainless Steel Drawn TubeOur stainless steel tubular products undergo rigorous rolling and re-drawing processes to achieve their final dimensions, making them perfect for thick-walled, large-diameter tubes. This cost-effective process ensures all drawn tubes are bright annealed, delivering superior quality and performance.
Daxun Advantages
Daxun Alloy is dedicated to delivering defect-free products to our customers through:
Producing the highest quality and value 2507 stainless steel pipe products, ensuring quick response and on-time delivery. We prioritize health, safety, and environmental protection, adhering strictly to laws. Leveraging our experience and a culture of continuous improvement, we strive to exceed customer expectations and requirements for 2507 stainless steel pipes.
Stainless Steel Seamless TubeOur stainless steel seamless tubes are expertly fashioned from hollow sections created via piercing or hot extrusion processes. These tubes are ideal for applications requiring large diameter-to-wall thickness ratios, offering excellent external dimensional tolerances.
Quality, Delivery, Inspection
- At Jiangsu Daxun Alloy Co., Ltd., we commit to excellence through rigorous quality assurance tests, including flattening, pitting and resistance, mechanical, hardness, material positive identification, and expansion tests. Each meticulous test ensures our materials are perfectly suited for your demanding applications.
- Throughout the production process, we precisely measure the diameter, thickness, and surface quality of our products. Our standard delivery timeline ranges from 7 to 15 days. For special-sized products, this timeline may extend up to 20 days, ensuring that every detail meets your exact specifications.
We strictly adhere to delivery timelines as 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 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 unparalleled, featuring state-of-the-art extrusion and cold working assets for tube and pipe manufacturing. We boast 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 capabilities include straightening, drilling, honing, trepanning, cutting, testing, boring, machining, laser welding, polishing, turning, and specialized services.
Daxun: Your destination for Bigger, Better Pipe Solutions.
With an impressive array of vertical and horizontal presses ranging from 12,000 to 35,000 tons, Jiangsu Daxun Alloy Co., Ltd. boasts the industry's most comprehensive pipe extrusion capabilities. This unparalleled expertise enables us to produce the longest lengths and the largest diameter pipes available on the market, ensuring unmatched performance and reliability.
Jiangsu Daxun Alloy Co., Ltd. proudly serves the power generation sector with critical components such as ductwork, boiler tubes, main steam tubes, thermal reheat tubes, and flue gas desulfurization units. Our top-quality products are meticulously engineered to meet the stringent demands of nuclear, coal-fired, renewable energy, and combined cycle applications, providing robust and reliable solutions for the most challenging environments.
Global leader in stainless steel pipe and tube fabrication services
Daxun Alloys offers a diverse range of Duplex 2507 Stainless Steel Pipes, including 2507 Stainless Steel Welded Pipes and 2507 Stainless Steel Seamless Pipes. Our products adhere to stringent industry standards like ASTM, ASME, EURONORM, and AFNOR. We are AS 9100D Certified, supplying ASTM A790, UNS S32750, and UNS S32760 Seamless Pipes from China.
Duplex 2507 stainless steel is a high-performance super duplex material featuring low carbon content (up to 0.03%) and a balanced blend of chromium (~25%), nickel (~7%), and molybdenum (~4%). Designed to excel in demanding environments requiring superior strength and corrosion resistance, it's ideal for applications in chemical processing equipment, the petrochemical industry, and seawater equipment. It exhibits extraordinary resistance to chloride-induced stress corrosion cracking and other types of corrosion due to its high chromium, molybdenum, and nitrogen content, providing exceptional defense against pitting and crevice corrosion.
Daxun Alloy is well-versed in international specifications for super duplex seamless pipes, delivering products that meet our customer's needs. We stand out as one of China's premier super duplex pipe suppliers, recognized for our competitive pricing, superior quality, and reliable delivery.
Super duplex seamless pipes are essential in the oil and gas industry, particularly in high-salinity horizontal wells or brine injection wells to maximize oil recovery. They offer remarkable resistance to corrosion, fatigue, and erosion. ASTM A790 S32750 pipes withstand uniform corrosion from organic acids like acetic and formic acids. These pipes exhibit excellent thermal conductivity and energy absorption and are both machinable and weldable. Super Duplex Hollow Pipes deform minimally when heated, preventing issues with flanges or connections. Our 2507 Super Duplex Pipes are used in heat exchangers for chemical processing, offshore oil and gas processing, and petrochemical manufacturing, complying with international standards. We supply Super Duplex 2507 Seamless Pipes 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 (x106 psi) | 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 |
Premier Stainless Steel Tube and Pipe Suppliers in China
DUPLEX 2507 STAINLESS STEEL
- Daxun Alloy's robust inventory features Duplex 2507 Stainless Steel Pipe, a super duplex stainless steel enriched with 25% chromium, 4% molybdenum, and 7% nickel. This alloy excels in high-strength and corrosion-resistant applications such as chemical processing, petrochemical, and seawater equipment. It boasts remarkable resistance to chloride stress corrosion cracking, superior thermal conductivity, and a low coefficient of thermal expansion. The elevated levels of chromium, molybdenum, and nickel ensure exceptional resistance to pitting, crevice, and general corrosion.
GENERAL PROPERTIES
- Duplex 2507 (UNS S32750) is a super duplex stainless steel pipe containing 25% chromium, 4% molybdenum, and 7% nickel. Engineered for high-demand applications requiring robust strength and corrosion resistance, it serves industries like chemical processing, petrochemical, and marine environments. The steel offers excellent resistance to chloride stress corrosion cracking, high thermal conductivity, and a low coefficient of thermal expansion. Its high chromium, molybdenum, and nickel content provide superior protection against pitting, crevice, and general corrosion.
Applications
- 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
Standards
- 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 offer a wide range of general steel types such as 310S, 316L, 304, 304L, 201, 904L, 316H, 316, 316L 300, and more.
Additionally, we provide duplex stainless steel including 2205, 2304, 2101, 2507, etc., along with 904L, 800H, 600H high-nickel alloys.
Q2. Can you produce the products according to my own drawings?
Yes, we can manufacture products based on your drawings to meet your specifications.
Q3. How does your factory do regarding quality control?
Quality is our top priority. We maintain rigorous quality control from start to finish.
Q4. Can I request to change the form of packaging and transportation?
Yes, we can modify packaging and transportation forms as per your request,
although additional costs incurred during this process must be borne by you.
Q5. How does your factory do regarding quality control?
Quality is paramount. We consistently prioritize quality control from beginning to end.
Q6. How long is the delivery time?
A: Typically, 7~20 working days after payment confirmation.
For urgent orders, we will expedite production to meet your timeline.
Q7. What is your Payment?
A: We accept 100% T/T advance payments, as well as Western Union for smaller orders.
B: For larger transactions, we accept 30% T/T upfront, with the remaining 70% due before shipment.
C: For substantial orders, a 100% Irrevocable LC at sight is also acceptable.
Q8: Can you make DDQ (Deep Drawing Quality)?
A: Yes, we specialize in DDQ materials suitable for products like stainless steel pots, sinks, and bowls. Simply communicate your specific requirements, and we'll tailor the mechanical properties to meet your needs.
Q9: How to get a sample?
A: We offer FREE samples for your evaluation. If you need a small piece, we may cover the courier costs, depending on the situation.
Q10: Which countries have you exported to?
A: Our stainless steel materials have been exported to countries including Vietnam, Thailand, Turkey, Russia, Morocco, Korea, India, Pakistan, UAE, Ukraine, and many more.
Q11: How to visit your company?
A: Fly into Guangzhou Baiyun International Airport, and we will arrange to pick you up from there.
Address:
B108, No. 32-1, Chengnan Road, Xinwu District, Wuxi, Jiangsu, China
Business Type:
Manufacturer/Factory, Trading Company
Business Range:
Metallurgy, Mineral & Energy
Management System Certification:
ISO 9001, ISO 9000, ISO 14001, ISO 14000, ISO 20000, OHSAS/ OHSMS 18001, IATF16949, HSE, ISO 14064, QC 080000, GMP, BSCI, BRC, SA 8000, QHSE, HACCP, ISO 13485, EICC, ANSI/ESD, SEDEX, ISO 22000, AIB, WRAP, GAP, ASME, ISO 29001, HQE, IFS
Company Introduction:
Founded in 2003, Daxun Alloy is a leading global metal material manufacturer. Headquartered in Wuxi, China, the company has multiple production bases and sales offices around the world. Daxun Alloy focuses on the development, production and sales of various stainless steels, titanium alloys, high-temperature alloys, etc. For general industry, construction, aerospace, energy, chemical industry, medical and other fields.
China, Daxun Metal Group is a global vertically integrated metal material manufacturer and stockist. Daxun can provide finished products and customized full-process services and professional technical services. Currently, the group has 600 employees and covers a total area of 130, 000 square meters. Daxun has a standing inventory of 50, 000 tons of stainless steel, 5, 000 tons of nickel-based alloys, and 2, 000 tons of pure titanium and titanium alloys. The main product forms are metal plates, metal coils, metal pipes, and metal bars. The metal materials produced by Daxun are market leaders for marine, energy, military, general industrial and aerospace applications. In addition, the company also produces seamless pipes, plates, forgings and other metal materials for power generation and oil and gas applications; Commercial and military alloy products; And metal alloys and other metal products for the forging industry.
