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, masterfully crafted from premium strips, are roll-formed and fusion-welded along their longitudinal seam. Daxun's cutting-edge welding process, which uses no filler metal, represents a pinnacle of quality and performance.
Quick Response
- Exceptional Resistance to Uniform Corrosion
- Outstanding Resistance to Inorganic Acids & Chlorides
- Perfect for Use with Dilute Hydrochloric Acid
- Enhanced Machinability & Weldability
- Remarkable Resistance to Stress Corrosion Cracking in Chloride-Containing Materials
- Superior Resistance to Pitting & Crevice Corrosion
- Robust Resistance to General Corrosion
- Extremely High Mechanical Strength
- Exceptional Weldability
- High Impact Strength
Stainless Steel Drawn TubeOur stainless steel tubular products undergo a sophisticated rolling and re-drawing process, making them ideal for thick-walled, large-diameter tubes. This cost-effective method compared to seamless tubes results in bright annealed drawn tubes of unmatched quality.
Daxun Advantages
Daxun Alloy is committed to delivering defect-free products by:
Producing premium 2507 stainless steel pipe products, offering rapid responses, ensuring timely deliveries, prioritizing health, safety, and environmental protection, and adhering to legal standards. Leveraging extensive experience and a culture of continuous improvement, we meet or exceed customer expectations for 2507 stainless steel pipes.
Stainless Steel Seamless TubeOur stainless steel seamless tubes, manufactured from hollow sections created through piercing or hot extrusion processes, are ideal for large diameter-to-wall thickness ratio applications, providing excellent external dimensional tolerances.
Quality, Delivery, Inspection
- At Jiangsu Daxun Alloy Co., Ltd., our commitment to excellence is evident through rigorous quality assurance tests, including flattening, pitting resistance, mechanical, hardness, material positive identification, and expansion tests, ensuring our materials meet your exacting demands.
- Throughout production, we measure diameter, thickness, and surface quality with precision. Our standard delivery timeline is 7 to 15 days, extending up to 20 days for special-sized products, ensuring every detail meets your specifications.
We strictly adhere to contract delivery timelines, ensuring 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 conduct rigorous testing, allowing you to experience our quality firsthand.
- We provide on-site or video factory inspections, ensuring transparency and trust in our manufacturing process.
Discover the unparalleled stainless steel pipe manufacturing capabilities of Daxun.
Our forming capabilities are unmatched, with advanced extrusion and cold-working assets for tube and pipe manufacturing. We feature 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 entire projects or handling specific machining jobs, our capabilities include straightening, drilling, honing, trepanning, cutting, testing, boring, machining, laser welding, polishing, turning, and specialized services.
Daxun: Elevating Your Pipe Solutions to New Heights.
At Jiangsu Daxun Alloy Co., Ltd., we pride ourselves on offering an unrivaled spectrum of pipe extrusion capabilities. Our state-of-the-art facilities feature both vertical and horizontal presses ranging from a colossal 12,000 to an impressive 35,000 tons. This expansive capacity allows us to manufacture pipes of exceptional lengths and diameters, establishing new industry standards in both size and quality.
Jiangsu Daxun Alloy Co., Ltd. stands as a pillar of trust in the power generation industry, providing indispensable components such as ductwork, boiler tubes, main steam tubes, thermal reheat tubes, and flue gas desulfurization units. Each product is precision-engineered to serve nuclear, coal-fired, renewable energy, and combined cycle power plants, guaranteeing unmatched performance and dependability.
A Global Pioneer in Stainless Steel Pipe and Tube Fabrication Services
Daxun Alloys excels in providing the highest quality Duplex 2507 Stainless Steel Pipes, including both welded and seamless variations. Available in an extensive range of shapes and sizes, our products adhere to the most stringent industry standards such as ASTM, ASME, EURONORM, and AFNOR. As an AS 9100D Certified supplier, we proudly offer ASTM A790, UNS S32750, and UNS S32760 seamless pipes from China, ensuring unparalleled quality and reliability.
Duplex 2507 stainless steel, renowned for its super duplex properties, features a meticulously balanced composition of low carbon (up to 0.03%), chromium (~25%), nickel (~7%), and molybdenum (~4%). This alloy is meticulously engineered to meet the rigorous demands of high-strength, corrosion-resistant applications, making it ideal for chemical process equipment, the petrochemical industry, and seawater systems. Its exceptional resistance to pitting, crevice corrosion, and chloride-induced stress corrosion cracking is attributed to its high chromium, molybdenum, and nitrogen content.
Daxun Alloy possesses unparalleled expertise in international specifications for super duplex seamless pipes, enabling us to supply the perfect products to our discerning clients. We have cemented our reputation as one of China's top super duplex pipe suppliers through our competitive pricing, superior quality, and prompt delivery.
Super duplex seamless pipes play crucial roles in the oil and gas industry and are indispensable in high-salinity horizontal wells or brine injection wells for enhanced oil recovery. Renowned for their impressive strength and resistance to corrosion, fatigue, and erosion, ASTM A790 S32750 pipes also exhibit excellent resistance to uniform corrosion from organic acids like acetic and formic acids. These pipes are celebrated for their exceptional thermal conductivity and energy absorption, making them highly durable. With superior machinability and weldability, Werkstoff 1.4410 pipes experience minimal deformation under heating, ensuring reliable flanges and connections. Our 2507 Super Duplex Pipes are widely utilized in heat exchangers for chemical processing, offshore oil and gas processing, and petrochemical manufacturing, meeting the highest international standards and serving industries across the globe.
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 Suppliers of Stainless Steel Tubes and Pipes in China
DUPLEX 2507 STAINLESS STEEL
- At Daxun Alloy, our extensive inventory proudly showcases the exceptional Duplex 2507 Stainless Steel Pipe. This super duplex stainless steel, fortified with 25% chromium, 4% molybdenum, and 7% nickel, is tailor-made for applications demanding unparalleled strength and corrosion resistance. Whether it's chemical processing, petrochemical, or seawater equipment, this alloy stands out with its remarkable resistance to chloride stress corrosion cracking, superior thermal conductivity, and a minimal coefficient of thermal expansion. The high concentrations of chromium, molybdenum, and nickel ensure extraordinary protection against pitting, crevice, and general corrosion.
GENERAL PROPERTIES
- Duplex 2507 (UNS S32750) is a superlative duplex stainless steel pipe designed with 25% chromium, 4% molybdenum, and 7% nickel. Crafted for the most challenging applications, it delivers exceptional strength and corrosion resistance, ideal for chemical processing, petrochemical, and seawater equipment. The steel's robust resistance to chloride stress corrosion cracking, outstanding thermal conductivity, and low coefficient of thermal expansion make it an industry leader. Its high chromium, molybdenum, and nickel content afford it extraordinary resistance to pitting, crevice, and general corrosion.
Applications
- Equipment for the oil and gas industry
- 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 systems, and seawater piping
- Mechanical and structural components for 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 an extensive range of high-quality steel types, including 310S, 316L, 304, 304L, 201, 904L, 316H, 316, 316L 300,
and 400 series. Additionally, we specialize in duplex stainless steels such as 2205, 2304, 2101, 2507, and premium high-nickel alloys like 904L, 800H, and 600H.
Q2. Can you produce the products according to my own drawings?
Absolutely, we can manufacture products precisely according to your drawings to ensure complete satisfaction.
Q3. How does your factory do regarding quality control?
Quality is our utmost priority. We consistently implement rigorous quality control measures from start to finish.
Q4. Can I request to change the form of packaging and transportation?
Yes, we offer the flexibility to modify packaging and transportation forms as per your request,
but please note that you will need to cover any additional costs incurred and any price variations that may arise.
Q5. How does your factory do regarding quality control?
Quality is our paramount concern at Daxun Alloy. We are dedicated to stringent quality control from start to finish.
Q6. How long is the delivery time?
A: Delivery typically takes 7~20 working days after payment confirmation.
For urgent orders, we prioritize production to ensure your deadlines are met efficiently.
Q7. What are your payment options?
A: 100% T/T advance payment, Western Union (suitable for small orders).
B: 30% T/T deposit with the remaining 70% due before shipment.
C: 100% Irrevocable Letter of Credit at sight (recommended for large orders).
Q8: Can you provide DDQ (Deep Drawing Quality) material?
A: Absolutely, we specialize in deep drawing applications with our materials being ideal for products like stainless steel pots, sinks, and bowls. Tell us your specific requirements, and we will customize the mechanical properties accordingly.
Q9: How can I obtain a sample?
A: We offer FREE samples for your inspection and testing. Depending on the circumstances, we may also cover the courier cost for small pieces.
Q10: Which countries have you exported to?
A: Our stainless steel materials have been exported to numerous countries including Vietnam, Thailand, Turkey, Russia, Morocco, Korea, India, Pakistan, UAE, Ukraine, and beyond.
Q11: How can I visit your company?
A: Simply fly to 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.
