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 expertly roll-formed and fusion-welded along the longitudinal seam. Daxun's welding process stands as a paragon of excellence, utilizing no filler metal whatsoever.
Quick Response
- Exceptionally strong resistance to uniform corrosion
- Remarkable resistance to inorganic acids and chlorides
- Optimized for use with dilute hydrochloric acid
- Enhanced machinability and weldability for superior performance
- Outstanding resistance to stress corrosion cracking in chloride-containing materials
- Superior resistance to pitting and crevice corrosion
- Robust resistance to general corrosion
- Unmatched mechanical strength
- Excellent weldability
- Remarkable impact strength
Stainless Steel Drawn TubeOur stainless steel tubular products undergo a rigorous rolling and re-drawing process to achieve the final size, making them ideal for thick-walled, large-diameter tubes. This method offers significant cost benefits over seamless tubes. Additionally, all drawn tubes are bright annealed for unparalleled quality.
Daxun Advantages
Daxun Alloy is dedicated to delivering defect-free products by:
Producing the highest quality and value 2507 stainless steel pipe products, ensuring quick response and on-time delivery, prioritizing health, safety, and environmental protection, and adhering to all relevant laws. Leveraging our extensive 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, crafted from hollow sections created via piercing or hot extrusion processes, are ideal for large diameter-to-wall thickness ratios. These tubes offer exceptionally precise external dimensional tolerances.
Quality, Delivery, Inspection
- At Jiangsu Daxun Alloy Co., Ltd., we are unwavering in our commitment to excellence, demonstrated through rigorous quality assurance tests. These include flattening tests, pitting and resistance tests, mechanical tests, hardness tests, material positive identification, and expansion tests. Each of these meticulous examinations 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 between 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 our contractual delivery timelines, ensuring 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 rigorous testing, allowing you to verify our quality firsthand.
- We provide both on-site and video factory inspection options, ensuring complete transparency and trust in our manufacturing process.
Discover the unparalleled stainless steel pipe manufacturing capabilities of Daxun.
Our forming capabilities are unparalleled, featuring advanced extrusion and cold working technologies 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 exceptional pipe processing capabilities.
As a vertically integrated manufacturer, Daxun offers a comprehensive one-stop-shop solution. Whether managing an entire project or handling specialized 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.
Boasting an impressive array of vertical and horizontal presses ranging from 12,000 to 35,000 tons, Jiangsu Daxun Alloy Co., Ltd. stands at the forefront of pipe extrusion technology. Our unparalleled capabilities empower us to produce the industry's longest lengths and largest diameter pipes, setting a new benchmark for quality and performance.
Jiangsu Daxun Alloy Co., Ltd. proudly serves the power generation sector with indispensable components including ductwork, boiler tubes, main steam tubes, thermal reheat tubes, and flue gas desulfurization units. Our products are meticulously engineered to cater to nuclear, coal-fired, renewable energy, and combined cycle power plants, ensuring superior efficiency and reliability.
Global Pioneer in Stainless Steel Pipe and Tube Fabrication Services
Daxun Alloys offers an extensive range of Duplex 2507 Stainless Steel Pipes, including Welded and Seamless varieties, tailored to meet the stringent standards of ASTM, ASME, EURONORM, and AFNOR. Our certification under AS 9100D underscores our commitment to quality. As a premier supplier of ASTM A790, UNS S32750, and UNS S32760 Seamless Pipes from China, we deliver both excellence and reliability.
Duplex 2507 stainless steel is a super duplex alloy characterized by its low carbon content (up to 0.03%) and a balanced combination of chromium (~25%), nickel (~7%), and molybdenum (~4%). Engineered to endure the most demanding applications requiring exceptional strength and corrosion resistance, this steel is ideal for chemical processing equipment, the petrochemical industry, and seawater applications. Its superior resistance to chloride-induced stress corrosion cracking, along with its high chromium, molybdenum, and nitrogen content, ensures unparalleled defense against pitting, crevice corrosion, and other forms of degradation.
At Daxun Alloy, we possess an in-depth understanding of international specifications for super duplex seamless pipes and offer products that align perfectly with our customers' needs. Our reputation as one of China's top super duplex pipe suppliers stems from our competitive pricing, superior quality, and prompt delivery.
Super duplex seamless pipes are integral to the oil and gas industry, notably in high-salinity horizontal wells and brine injection wells to enhance oil recovery. Renowned for their exceptional strength, corrosion resistance, and resilience against 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. Additionally, Super Duplex Hollow Pipes are highly machinable and weldable. The specific alloy number 1.4410 demonstrates minimal deformation when heated, preventing defective flanges or connections. 2507 Super Duplex Pipes are essential in heat exchangers for chemical processing, offshore oil and gas production, and petrochemical manufacturing. Our Super Duplex 2507 Seamless Pipes meet all international standards and serve a multitude of industries worldwide.
Detailed 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 | - |
Comprehensive Analysis of 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 |
The Premier Stainless Steel Tube and Pipe Suppliers in China
DUPLEX 2507 STAINLESS STEEL
- Daxun Alloy's stainless steel inventory proudly features Duplex 2507 Stainless Steel Pipe, a super duplex stainless steel boasting 25% chromium, 4% molybdenum, and 7% nickel. This alloy is meticulously engineered for high-strength, corrosion-resistant applications including chemical processing, petrochemical, and seawater equipment. Notable for its robust resistance to chloride stress corrosion cracking, it offers excellent thermal conductivity and a low coefficient of thermal expansion. The high concentrations of chromium, molybdenum, and nickel provide unparalleled resistance to pitting, crevice, and general corrosion.
GENERAL PROPERTIES
- Duplex 2507 (UNS S32750) is a super duplex stainless steel pipe composed of 25% chromium, 4% molybdenum, and 7% nickel. Crafted for rigorous applications requiring exceptional strength and corrosion resistance, it is ideal for use in chemical processing, petrochemical, and seawater equipment. Known for its sturdy resistance to chloride stress corrosion cracking, it also features superior thermal conductivity and a low coefficient of thermal expansion. The rich content of chromium, molybdenum, and nickel ensures it excels in resisting 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 series, and a variety of high-nickel alloys. Our duplex stainless steel selection covers grades such as 2205, 2304, 2101, and 2507.
400 Series, and Duplex Stainless Steel such as 2205, 2304, 2101, 2507, etc. 904L, 800H, 600H high-nickel alloy.
Q2. Can you produce the products according to my own drawings?
Yes, we can manufacture products tailored to your drawings, ensuring they meet your highest satisfaction.
Q3. How does your factory do regarding quality control?
Quality is our top priority. We maintain stringent quality control measures from the initial stages to the final product, ensuring excellence throughout.
Q4. Can I request to change the form of packaging and transportation?
Yes, we can modify the packaging and transportation methods according to your specific requirements.
However, any additional costs incurred during this process will be your responsibility.
Q5. How does your factory do regarding quality control?
Quality is our top priority. We consistently prioritize stringent quality control from start to finish.
Q6. How long is the delivery time?
A: Typically, delivery takes 7~20 working days after payment confirmation.
For urgent orders, we will expedite production to meet your deadlines.
Q7. What is your Payment?
A: We require 100% T/T advance payment, or Western Union for smaller orders.
B: For larger orders, 30% T/T upfront and the remaining 70% before shipment.
C: For significant orders, we accept 100% Irrevocable LC at sight.
Q8: Can you make DDQ (Deep Drawing Quality)?
A: Yes, we can. Our material is perfect for producing stainless steel pots, sinks, bowls, and more. Just inform us of your specific use, and we will tailor the mechanical properties to meet your needs.
Q9: How to get a sample?
A: FREE samples are available for your evaluation and testing. If you require a small piece, 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 many more.
Q11: How can I 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.
