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 stainless steel strips, are masterfully roll-formed and precision fusion-welded along the longitudinal seam. Daxun's unparalleled welding process stands out for its excellence, employing no filler metal whatsoever, ensuring superior quality.
Quick Response
- Exceptional Resistance to Uniform Corrosion
- Robust Resistance to Inorganic Acids/Chlorides
- Ideal for Use with Dilute Hydrochloric Acid
- Enhanced Machinability and Weldability
- Resistant to Stress Corrosion Cracking in Chloride-Containing Environments
- Outstanding Resistance to Pitting and Crevice Corrosion
- Superior Resistance to General Corrosion
- Exceptionally High Mechanical Strength
- Excellent Weldability
- High Impact Strength
Stainless Steel Drawn TubeOur stainless steel tubular products undergo a meticulous rolling and re-drawing process to achieve the final size, making them ideal for thick-walled, large-diameter tubes. This innovative process offers significant cost advantages over seamless tubes, while all drawn tubes are bright annealed to ensure superior quality.
Daxun Advantages
Daxun Alloy is dedicated to delivering defect-free products to our esteemed customers by:
Producing premium quality and valuable 2507 stainless steel pipes, ensuring quick responses and timely deliveries, prioritizing health, safety, and environmental protection, and adhering to all applicable laws. Leveraging our vast experience and culture of continuous improvement, we strive to 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 produced via piercing or hot extrusion processes. These tubes are ideal for applications requiring large diameter-to-wall thickness ratios, providing outstanding external dimensional tolerances.
Quality, Delivery, Inspection
- At Jiangsu Daxun Alloy Co., Ltd., we are unwavering in 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. These meticulous evaluations ensure that our materials meet the highest standards for your demanding applications.
- Throughout the production process, we meticulously measure the diameter, thickness, and surface quality of our products. Our standard delivery timeline ranges from 7 to 15 days, with special-sized products potentially extending up to 20 days, ensuring that every specification is met with precision.
We strictly adhere to the delivery timelines outlined in our contracts, providing punctual and reliable service. - We welcome and support inspections by customer-authorized third-party agencies at our factory, ensuring transparency and trust.
- We offer free samples to customers for thorough testing, allowing you to experience the superior quality of our products firsthand.
- We provide on-site or video factory inspection options, fostering transparency and confidence in our manufacturing process.
Discover the unparalleled stainless steel pipe manufacturing capabilities of Daxun.
Our forming capabilities are unmatched, featuring state-of-the-art extrusion and cold working technologies for tube and pipe manufacturing. We proudly operate one of the world's largest pilger mills and employ a unique hydroforming process for precision fittings.
Unveiling Daxun's exceptional pipe processing capabilities.
As a vertically integrated manufacturer, Daxun provides a comprehensive one-stop-shop solution. Whether managing an entire project or executing specific machining tasks, our capabilities include straightening, drilling, honing, trepanning, cutting, testing, boring, machining, laser welding, polishing, turning, and specialized services.
Daxun: Your Premier Destination for Bigger, Better Pipe Solutions.
With vertical and horizontal presses ranging from a formidable 12,000 to a towering 35,000 tons, Jiangsu Daxun Alloy Co., Ltd. boasts the industry's most comprehensive pipe extrusion capabilities. This exceptional capacity empowers us to manufacture pipes of unparalleled length and diameter, setting a new standard in the industry.
Jiangsu Daxun Alloy Co., Ltd. is a trusted partner in the power generation sector, supplying critical components such as ductwork, boiler tubes, main steam tubes, thermal reheat tubes, and flue gas desulfurization units. Our meticulously engineered products cater to the rigorous demands of nuclear, coal-fired, renewable energy, and combined cycle power plants, ensuring peak performance and reliability.
Global leader in stainless steel pipe and tube fabrication services
Daxun Alloys proudly offers Duplex 2507 Stainless Steel Pipes, including 2507 Stainless Steel Welded Pipes and 2507 Stainless Steel Seamless Pipes. Our products conform to industry standards like ASTM, ASME, EURONORM, and AFNOR. We are an AS 9100D Certified ASTM A790, UNS S32750, and UNS S32760 Seamless Pipe Supplier from China, dedicated to delivering excellence.
Duplex 2507 stainless steel is a premium super duplex material featuring low carbon (up to 0.03%), chromium (~25%), nickel (~7%), and molybdenum (~4%). It is meticulously designed to meet the stringent demands of applications requiring superior strength and unparalleled corrosion resistance. Ideal for chemical processing equipment, the petrochemical sector, and seawater equipment, this steel excels in resisting chloride-induced stress corrosion cracking. Thanks to its high chromium, molybdenum, and nitrogen content, Duplex 2507 offers outstanding resistance to pitting, crevice corrosion, and other forms of corrosion.
At Daxun Alloy, we are well-versed in the international standards for super duplex seamless pipes. Our expertise enables us to supply products that precisely meet customer requirements. We stand out as one of China's top super duplex pipe suppliers, thanks to our competitive pricing, superior quality, and prompt delivery services.
Super duplex seamless pipes are a cornerstone in the oil and gas industry, as well as in high-salinity horizontal wells or brine injection wells, enhancing oil recovery. Renowned for their exceptional strength and resistance to corrosion, fatigue, and erosion, ASTM A790 S32750 pipes also withstand uniform corrosion from organic acids like acetic and formic acids. These pipes exhibit excellent thermal conductivity and energy absorption capabilities. Additionally, Super Duplex Hollow Pipes are highly machinable and weldable. Pipes marked with Werkstoff number 1.4410 show minimal deformation under heat, crucial for maintaining the integrity of flanges and connections. 2507 Super Duplex Pipes are essential in heat exchangers within chemical processing, offshore oil and gas processing, and petrochemical manufacturing, complying with international standards and serving 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 |
Leading Stainless Steel Tube and Pipe Suppliers in China
DUPLEX 2507 STAINLESS STEEL
- Daxun Alloy's extensive inventory proudly features Duplex 2507 Stainless Steel Pipe. As a super duplex stainless steel, it boasts a composition of 25% chromium, 4% molybdenum, and 7% nickel. This alloy is perfect for high-demand applications necessitating robust strength and exceptional corrosion resistance. Ideal for sectors such as chemical processing, petrochemical, and seawater equipment, it stands out with strong resistance to chloride stress corrosion cracking, superior thermal conductivity, and a low coefficient of thermal expansion. The significant presence of chromium, molybdenum, and nickel ensures outstanding resistance to pitting, crevice, and general corrosion.
GENERAL PROPERTIES
- Duplex 2507 (UNS S32750) is engineered as a super duplex stainless steel pipe containing 25% chromium, 4% molybdenum, and 7% nickel. Crafted for the most demanding applications, it offers high strength and impressive corrosion resistance, making it ideal for chemical processing, petrochemical, and seawater equipment. The steel showcases strong resistance to chloride stress corrosion cracking, high thermal conductivity, and a low coefficient of thermal expansion. Elevated levels of chromium, molybdenum, and nickel deliver excellent resistance against pitting, crevice, and general corrosion.
Applications
- Oil and gas industry equipment
- Perfect for 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, ensuring high strength and corrosion resistance
- 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 comprehensive range of general steel types, including 310S, 316L, 304, 304L, 201, 904L, 316H, 316, 316L 300, and more.
Additionally, we specialize in duplex stainless steel such as 2205, 2304, 2101, 2507, etc., as well as high-nickel alloys like 904L, 800H, 600H.
Q2. Can you produce the products according to my own drawings?
Yes, we can manufacture products precisely according to your drawings, ensuring utmost satisfaction.
Q3. How does your factory handle quality control?
Quality is our top priority. We emphasize stringent quality control measures from start to finish.
Q4. Can I request a change in packaging and transportation?
Yes, we can modify the packaging and transportation methods as per your request.
However, please note that any additional costs incurred during this period will be your responsibility.
Q5. How does your factory maintain quality control?
Quality is our top priority. We stress rigorous quality control from beginning to end.
Q6. What is the delivery time?
A: Delivery time ranges from 7 to 20 working days after payment confirmation.
For urgent orders, we will expedite the process to meet your deadlines.
Q7. What is your Payment?
A: We accept 100% T/T advance and Western Union for smaller orders.
B: We offer a 30% T/T deposit with the remaining 70% due before shipment.
C: For larger orders, a 100% Irrevocable LC at sight is available.
Q8: Can you make DDQ (Deep Drawing Quality)?
A: Yes, we can. Our materials are ideal for stainless steel pots, sinks, bowls, and more. Let us know your specific application, and we will adjust the mechanical properties to match your needs.
Q9: How to get a sample?
A: FREE samples are available for your evaluation. For small pieces, we may cover the courier cost depending on the situation.
Q10: Which countries have you exported to?
A: To date, we have exported our stainless steel materials to Vietnam, Thailand, Turkey, Russia, Morocco, Korea, India, Pakistan, UAE, Ukraine, and more.
Q11: How to visit your company?
A: You can fly to Guangzhou Baiyun International Airport, where 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.
