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 engineered from stainless steel strips, are expertly roll-formed and fusion-welded along the longitudinal seam. At Daxun, we perfect the welding process without the use of any filler metal, ensuring unmatched quality and precision.
Quick Response
- Outstanding resistance to uniform corrosion
- Excellent resistance to inorganic acids and chlorides
- Designed for use with dilute hydrochloric acid
- Enhanced machinability and weldability
- Superior resistance to stress corrosion cracking in chloride-containing environments
- Exceptional resistance to pitting and crevice corrosion
- Robust resistance to general corrosion
- Exceptionally high mechanical strength
- Superior weldability
- High impact strength
Stainless Steel Drawn TubeOur stainless steel tubular products undergo stringent rolling and re-drawing processes to achieve the final desired size. Ideal for thick-walled, large-diameter tubes, this method offers economic advantages over seamless tubes. All drawn tubes are bright annealed, ensuring the highest quality.
Daxun Advantages
Daxun Alloy is dedicated to delivering defect-free products by:
Producing top-tier 2507 stainless steel pipe products, ensuring quick response times and punctual deliveries, prioritizing health, safety, and environmental protection, and adhering to legal standards. Leveraging our extensive experience and culture of continuous improvement, we strive to meet or exceed customer expectations and requirements.
Stainless Steel Seamless TubeOur stainless steel seamless tubes are masterfully crafted from hollow sections formed via piercing or hot extrusion processes. These tubes are ideal for large diameter-to-wall thickness ratios, offering superior external dimensional tolerances.
Quality, Delivery, Inspection
- At Jiangsu Daxun Alloy Co., Ltd., we are steadfast 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. Each test ensures our materials meet your exacting standards.
- 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, extending up to 20 days for special-sized products, ensuring every detail meets your precise specifications.
We rigorously adhere to the delivery timelines stipulated in our contracts, guaranteeing punctual and dependable service. - We invite and fully support inspections by customer-authorized third-party agencies at our factory.
- We provide free samples for rigorous testing, allowing you to experience our exceptional quality firsthand.
- We offer on-site or video factory inspection options, ensuring transparency and trust in our manufacturing process.
Discover the unparalleled stainless steel pipe manufacturing excellence of Daxun.
Our forming capabilities are unrivaled, 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 exceptional pipe processing prowess.
As a vertically integrated manufacturer, Daxun offers a comprehensive one-stop-shop solution. From managing entire projects to handling specific machining tasks, our 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.
Armed with state-of-the-art vertical and horizontal presses boasting capacities from 12,000 to a staggering 35,000 tons, Jiangsu Daxun Alloy Co., Ltd. stands at the pinnacle of the pipe extrusion industry. Our unparalleled capabilities enable us to produce pipes in the longest lengths and largest diameters available on the market, meeting the most demanding specifications with ease.
Jiangsu Daxun Alloy Co., Ltd. is a trusted partner in the power generation sector, delivering critical components such as ductwork, boiler tubes, main steam tubes, thermal reheat tubes, and flue gas desulfurization units. Our meticulously engineered products are designed to meet the rigorous demands of nuclear, coal-fired, renewable energy, and combined cycle power plants, ensuring optimal performance and reliability.
Global Leader in Stainless Steel Pipe and Tube Fabrication Services
Daxun Alloys presents an exceptional range of Duplex 2507 Stainless Steel Pipes, including 2507 Stainless Steel Welded Pipes and 2507 Stainless Steel Seamless Pipes. Crafted to meet stringent industry standards like ASTM, ASME, EURONORM, and AFNOR, our products stand out in quality and durability. We are AS 9100D Certified and a proud supplier of ASTM A790, UNS S32750, and UNS S32760 Seamless Pipes from China.
Duplex 2507 Stainless Steel is an extraordinary super duplex material possessing low carbon content (up to 0.03%), and a rich blend of chromium (~25%), nickel (~7%), and molybdenum (~4%). Designed to fulfill the demanding needs of applications requiring exceptional strength and corrosion resistance, this material is ideal for use in chemical process equipment, the petrochemical industry, and seawater equipment. With its remarkable resistance to chloride-induced stress corrosion cracking and high chromium, molybdenum, and nitrogen content, Duplex 2507 Stainless Steel offers unparalleled resistance to pitting, crevice corrosion, and other corrosive conditions.
At Daxun Alloy, we possess comprehensive knowledge of international specifications for super duplex seamless pipes, allowing us to deliver the right products to our customers. Recognized as one of China's premier super duplex pipe suppliers, we pride ourselves on our competitive pricing, superior quality, and prompt delivery.
Super duplex seamless pipes are integral to the oil and gas industry, especially in high-salinity horizontal wells and brine injection wells to enhance oil recovery. Renowned for their strength and resistance to corrosion, fatigue, and erosion, ASTM A790 S32750 pipes also withstand uniform corrosion from organic acids such as acetic and formic acids. They boast excellent thermal conductivity and energy absorption, and are easily machinable and weldable. With minimal deformation upon heating, our pipes ensure the integrity of flanges and connections. The 2507 Super Duplex Pipes are essential in heat exchangers for chemical processing, offshore oil and gas processing, and petrochemical manufacturing. Our 2507 Super Duplex Stainless Steel Pipes comply with global standards, serving a multitude of 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 |
China's Premier Supplier of Stainless Steel Tubes and Pipes
DUPLEX 2507 STAINLESS STEEL
- At Daxun Alloy, our extensive inventory includes Duplex 2507 Stainless Steel Pipe. This superior alloy, featuring 25% chromium, 4% molybdenum, and 7% nickel, is engineered for applications demanding high strength and exceptional corrosion resistance. Perfect for chemical processing, petrochemical, and seawater equipment, Duplex 2507 boasts formidable resistance to chloride stress corrosion cracking, excellent thermal conductivity, and a low coefficient of thermal expansion. Its enriched composition ensures outstanding defense against pitting, crevice, and general corrosion.
GENERAL PROPERTIES
- Duplex 2507 (UNS S32750) is a high-performance super duplex stainless steel pipe containing 25% chromium, 4% molybdenum, and 7% nickel. It is meticulously designed for the most demanding applications, providing exceptional strength and corrosion resistance for industries such as chemical processing, petrochemical, and marine environments. The alloy exhibits remarkable resistance to chloride stress corrosion cracking, superior thermal conductivity, and a low coefficient of thermal expansion, with its high chromium, molybdenum, and nickel content ensuring excellent resistance to 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 comprehensive range of steel types, including 310S, 316L, 304, 304L, 201, 904L, 316H, 316, 316L 300, and more.
Additionally, we supply duplex stainless steels such as 2205, 2304, 2101, 2507, as well as high-nickel alloys like 904L, 800H, and 600H.
Q2. Can you produce the products according to my own drawings?
Yes, we specialize in custom production to your exact drawings, ensuring your utmost satisfaction.
Q3. How does your factory do regarding quality control?
Quality is our top priority. We implement rigorous quality control measures from start to finish.
Q4. Can I request to change the form of packaging and transportation?
Yes, we can modify packaging and transportation forms according to your request,
with the understanding that you will bear the associated costs and any price differences.
Q5. How does your factory do regarding quality control?
Quality is our top priority. We implement rigorous quality control measures from start to finish.
Q6. How long is the delivery time?
A: Typically, delivery takes 7 to 20 working days after confirming payment.
For urgent orders, we expedite processing to meet your deadlines.
Q7. What is your Payment?
A: 100% T/T in advance, or Western Union for smaller orders.
B: A deposit of 30% T/T, with the remaining 70% due before shipment.
C: For larger orders, we accept a 100% Irrevocable LC at sight.
Q8: Can you provide DDQ (Deep Drawing Quality) material?
A: Absolutely, yes. Our materials are ideal for producing stainless steel pots, sinks, bowls, and more. Simply share your specific needs with us, and we'll tailor the mechanical properties to suit your requirements.
Q9: How can I obtain a sample?
A: We offer FREE samples for your evaluation and testing. Should you need just a small piece, we may cover the courier cost, depending on the circumstances.
Q10: To which countries have you exported your products?
A: To date, our stainless steel materials have been exported to Vietnam, Thailand, Turkey, Russia, Morocco, Korea, India, Pakistan, UAE, Ukraine, and many others.
Q11: What is the best way to visit your company?
A: The most convenient way is to fly to Guangzhou Baiyun International Airport, where we will personally 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.
