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 stainless steel tubular products, meticulously crafted from premium stainless steel strips, are skillfully roll-formed and fusion-welded with precision along the longitudinal seam. At Jiangsu Daxun Alloy Co., Ltd., our exemplary welding process stands out, as it utilizes no filler metal whatsoever, ensuring unmatched quality and strength.
Quick Response
- Remarkable resistance to uniform corrosion.
- Exemplary 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.
- Exceptional resistance to both pitting and crevice corrosion.
- Robust resistance to general corrosion.
- Superior mechanical strength.
- Excellent weldability.
- High impact strength.
Stainless Steel Drawn TubeOur stainless steel tubular products undergo precision rolling and meticulous re-drawing to achieve the perfect final size. These processes are ideal for thick-walled, large-diameter tubes and offer cost advantages over seamless tubes. Each drawn tube is bright annealed to ensure superior quality and durability.
Daxun Advantages
At Jiangsu Daxun Alloy Co., Ltd., we are devoted to delivering defect-free products by:
Producing the highest quality and most valuable 2507 stainless steel pipe products, ensuring quick responses and on-time deliveries. We prioritize health, safety, and environmental protection, strictly adhering to laws. Leveraging our experience and culture of continuous improvement, we aim to consistently meet or exceed customer expectations and requirements for 2507 stainless steel pipes.
Stainless Steel Seamless TubeOur stainless steel seamless tubes are expertly crafted from hollow sections created through piercing or hot extrusion processes. These tubes are ideal for high diameter-to-wall thickness ratios and boast exceptional external dimensional tolerances.
Quality, Delivery, Inspection
- At Jiangsu Daxun Alloy Co., Ltd., we uphold our commitment to excellence through rigorous quality assurance tests. These include flattening tests, pitting and resistance tests, mechanical tests, hardness tests, material positive identification, and expansion tests. Each meticulous test ensures that our materials are perfectly suited for your most 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, assuring that every detail meets your exact specifications.
We strictly adhere to our contractual delivery timelines, guaranteeing punctual and reliable service. - We welcome and support inspections by customer-authorized third-party agencies at our factory.
- We offer free samples for customers to rigorously test, allowing you to firsthand experience our exceptional quality.
- We provide options for on-site or video factory inspections, ensuring transparency and trust in our manufacturing process.
Discover the unmatched stainless steel pipe manufacturing capabilities of Jiangsu Daxun Alloy Co., Ltd.
Our forming capabilities are unparalleled, featuring advanced extrusion and cold working assets for tube and pipe manufacturing. We proudly host 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, Jiangsu Daxun Alloy Co., Ltd. provides a comprehensive one-stop-shop solution. Whether managing an entire project or handling specific machining jobs, our capabilities encompass straightening, drilling, honing, trepanning, cutting, testing, boring, machining, laser welding, polishing, turning, and specialized services.
Daxun: Your ultimate destination for Bigger, Better Pipe Solutions.
At Jiangsu Daxun Alloy Co., Ltd., our state-of-the-art vertical and horizontal presses, ranging from 12,000 to an impressive 35,000 tons, position us as leaders in pipe extrusion capabilities. This unparalleled capacity enables us to produce pipes of extraordinary lengths and diameters, setting industry standards for excellence.
Jiangsu Daxun Alloy Co., Ltd. is a trusted name in the power generation sector, providing indispensable components including ductwork, boiler tubes, main steam tubes, thermal reheat tubes, and flue gas desulfurization units. Our meticulously engineered products cater to a diverse array of power generation needs, from nuclear and coal-fired plants to renewable energy and combined cycle systems.
Global leader in stainless steel pipe and tube fabrication services, Jiangsu Daxun Alloy Co., Ltd. is renowned for its exceptional craftsmanship and reliability.
Daxun Alloys offers an extensive range of Duplex 2507 Stainless Steel Pipes, including welded and seamless variants, in various shapes and sizes. These pipes adhere to industry standards such as ASTM, ASME, EURONORM, and AFNOR. As an AS 9100D Certified Supplier from China, we provide ASTM A790, UNS S32750, and UNS S32760 seamless pipes that meet the highest standards of quality and performance.
Duplex 2507 stainless steel is a superior duplex material, characterized by low carbon (up to 0.03%), high chromium (~25%), nickel (~7%), and molybdenum (~4%) content. Designed for demanding applications requiring high strength and exceptional corrosion resistance, Duplex 2507 is ideal for chemical process equipment, petrochemical industries, and seawater equipment. Its high chromium, molybdenum, and nitrogen content provide outstanding resistance to pitting, crevice corrosion, and chloride-induced stress corrosion cracking.
At Daxun Alloy, we excel in meeting international specifications for super duplex seamless pipes, backed by our deep product knowledge. Our competitive pricing, superior quality, and prompt delivery make us one of China's premier super duplex pipe suppliers.
Super duplex seamless pipes play a critical role in the oil and gas industry, particularly in high-salinity horizontal wells and brine injection wells to enhance oil recovery. These pipes boast remarkable strength, corrosion resistance, and resistance to fatigue and erosion. ASTM A790 S32750 pipes also withstand uniform corrosion from organic acids like acetic and formic acids. They exhibit strong thermal conductivity and energy absorption. Furthermore, Super Duplex Hollow Pipes are easily machinable and weldable, demonstrating minimal deformation when heated (1.4410 Werkstoff Number). These pipes are essential in heat exchangers for chemical processing, offshore oil and gas processing, and petrochemical manufacturing. Our 2507 Super Duplex Stainless Steel Pipes meet international standards and are supplied to diverse industries globally.
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 Stainless Steel inventory proudly features the Duplex 2507 Stainless Steel Pipe. This super duplex stainless steel boasts a remarkable composition of 25% chromium, 4% molybdenum, and 7% nickel. Ideal for applications demanding exceptional strength and corrosion resistance, it is perfect for chemical processing, petrochemical, and seawater equipment. Its resistance to chloride stress corrosion cracking is unmatched, complemented by excellent thermal conductivity and a low coefficient of thermal expansion. The high levels of chromium, molybdenum, and nickel ensure outstanding resistance to pitting, crevice, and general corrosion.
GENERAL PROPERTIES
- Duplex 2507 (UNS S32750) is a super duplex stainless steel pipe enriched with 25% chromium, 4% molybdenum, and 7% nickel. Engineered for challenging applications that require superior strength and corrosion resistance, it is ideal for industries such as chemical processing, petrochemical, and seawater equipment. Its formidable resistance to chloride stress corrosion cracking, coupled with high thermal conductivity and a minimal coefficient of thermal expansion, makes it highly efficient. The significant chromium, molybdenum, and nickel content equip it with excellent resistance 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, including heat exchangers, vessels, and piping
- Desalination plants, high-pressure RO-plant, and seawater piping
- Mechanical and structural components, ensuring high-strength and 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 provide a range of general steel types including 310S, 316L, 304, 304L, 201, 904L, 316H, 316, 316L 300 series, and high-nickel alloys like 904L, 800H, 600H. Our duplex stainless steel offerings include 2205, 2304, 2101, 2507, etc.
400 series, and duplex stainless steel like 2205, 2304,2101,2507,etc. 904L, 800H, 600H high-nickel alloy.
Q2. Can you produce the products according to my own drawings?
Absolutely! We can manufacture products precisely to your drawings, ensuring your complete satisfaction.
Q3. How does your factory do regarding quality control?
Quality is our top priority. We maintain stringent quality control measures from start to finish, ensuring the highest standards.
Q4. Can I request to change the form of packaging and transportation?
Yes, we can customize packaging and transportation methods to meet your requirements.
However, you will need to cover any additional costs incurred during this period and any price differences.
Q5. How does your factory do regarding quality control?
Quality is our top priority. We maintain stringent quality control measures from start to finish, ensuring the highest standards.
Q6. How long is the delivery time?
A: 7~20 working days upon confirmation of payment.
For urgent orders, we will expedite the process in our workshop to ensure timely delivery.
Q7. What are your payment options?
A: We accept 100% T/T in advance and Western Union for smaller orders.
B: We require a 30% T/T deposit, with the remaining 70% due before shipment.
C: For larger orders, we accept 100% Irrevocable LC at sight.
Q8: Can you produce Deep Drawing Quality (DDQ)?
A: Absolutely. Our materials are perfect for manufacturing stainless steel pots, sinks, and bowls. Just let us know your specific use, and we'll tailor the mechanical properties to meet your needs.
Q9: How can I get a sample?
A: We provide FREE samples for you to inspect and test. If you need a small piece, we might cover the courier cost depending on the specifics.
Q10: Which countries have you exported to?
A: To date, we've exported our stainless steel materials to Vietnam, Thailand, Turkey, Russia, Morocco, Korea, India, Pakistan, UAE, Ukraine, and many more.
Q11: How can I visit your company?
A: Fly to Guangzhou Baiyun International Airport, and we will arrange to pick you up.
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.
