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 |
Top-Quality Stainless Steel Welded TubesExquisite Stainless Steel Tubular Products: Meticulously crafted from premium stainless steel strips, our tubes are roll-formed and precision fusion-welded along the longitudinal seam. Experience the unparalleled quality of Daxun's exemplary welding process, which uses absolutely no filler metal.
Swift and Efficient Response
- Unmatched Resistance to Uniform Corrosion
- Excellent Resistance to Inorganic Acids and Chlorides
- Ideal for Applications Involving Dilute Hydrochloric Acid
- Enhanced Machinability and Weldability
- Outstanding Resistance to Stress Corrosion Cracking in Chloride-Containing Environments
- Exceptional Pitting and Crevice Corrosion Resistance
- Robust Resistance to General Corrosion
- Superior Mechanical Strength
- Excellent Weldability
- High Impact Strength
Precision Stainless Steel Drawn TubesOur stainless steel tubular masterpieces undergo meticulous rolling and re-drawing to achieve precise final dimensions, making them ideal for thick-walled, large-diameter applications. Enjoy the cost benefits over seamless tubes, with all drawn tubes bright annealed for top-tier quality.
Why Daxun Stands Out
At Daxun Alloy, we pledge to deliver defect-free products by:
Producing top-quality 2507 stainless steel pipe products, ensuring quick response and on-time delivery, prioritizing health, safety, and environmental protection, and adhering strictly to laws. We leverage our extensive experience and culture of continuous improvement to meet or exceed customer expectations and requirements for 2507 stainless steel pipes.
Premium Stainless Steel Seamless TubesOur seamless stainless steel tubes are expertly crafted from hollow sections produced via piercing or hot extrusion processes. Ideal for large diameter-to-wall thickness ratios, these tubes offer exceptional external dimensional tolerances.
Quality Assurance, Timely Delivery, Thorough Inspection
- At Jiangsu Daxun Alloy Co., Ltd., we commit to excellence through rigorous quality assurance tests. These include flattening, pitting and resistance tests, mechanical tests, hardness tests, material positive identification, and expansion tests. Each meticulous test ensures our materials are perfectly suited for your demanding applications.
- Throughout the production process, we precisely monitor the diameter, thickness, and surface quality of our products. Our standard delivery timeline ranges from 7 to 15 days. For special-sized products, this may extend up to 20 days, guaranteeing every detail meets your exact specifications.
We strictly adhere to the delivery timelines specified in our contracts, ensuring punctual and reliable service. - We welcome and fully support inspections by customer-authorized third-party agencies at our factory.
- We offer free samples to customers for rigorous testing, enabling you to experience our quality firsthand.
- We provide comprehensive on-site or video factory inspection options, ensuring complete transparency and trust in our manufacturing process.
Explore the Unrivaled Stainless Steel Pipe Manufacturing Capabilities of Daxun
Our Forming Capabilities: Unmatched Excellence. Leveraging advanced 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 Expertise
As a vertically integrated manufacturer, Daxun offers comprehensive, one-stop-shop solutions. Whether managing entire projects or handling specific machining jobs, our capabilities encompass straightening, drilling, honing, trepanning, cutting, testing, boring, machining, laser welding, polishing, turning, and various specialized services.
Daxun: Your Premier Source for Bigger, Better Pipe Solutions
Equipped with vertical and horizontal presses ranging from an impressive 12,000 to a staggering 35,000 tons, Jiangsu Daxun Alloy Co., Ltd. boasts the industry's most comprehensive pipe extrusion capabilities. This unparalleled technology empowers us to produce the longest lengths and largest diameter pipes available, setting new standards in the industry.
Proudly serving the power generation sector, Daxun provides an array of essential components including 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 applications, ensuring superior performance and reliability.
Global leader in stainless steel pipe and tube fabrication services
Daxun Alloys proudly offers Duplex 2507 Stainless Steel Pipes - including welded and seamless variants. Our products come in a myriad of shapes and sizes, all adhering to stringent industry standards like ASTM, ASME, EURONORM, and AFNOR. As an AS 9100D Certified supplier, we specialize in ASTM A790, UNS S32750, and UNS S32760 seamless pipes, delivering quality and precision from China to the world.
Duplex 2507 stainless steel is a premium super duplex alloy featuring low carbon (up to 0.03%), and enriched with chromium (~25%), nickel (~7%), and molybdenum (~4%). It's engineered to fulfill the stringent demands of applications requiring exceptional strength and corrosion resistance. Ideal for chemical process equipment, petrochemical sectors, and seawater systems, this steel excels in resisting chloride-induced stress corrosion cracking. Its high chromium, molybdenum, and nitrogen composition ensures unparalleled resistance to pitting, crevice corrosion, and other forms of degradation.
Daxun Alloy is renowned for comprehending and meeting international standards for super duplex seamless pipes. Our expertise and product knowledge empower us to deliver optimal solutions to our global clientele. As one of China's premier super duplex pipe suppliers, we take pride in our competitive pricing, superior quality, and on-time delivery.
Super duplex seamless pipes find extensive use in the oil and gas industry, particularly in high-salinity horizontal wells or brine injection wells to enhance oil recovery. These pipes are known for their exceptional strength and resistance to corrosion, fatigue, and erosion. ASTM A790 S32750 pipes withstand uniform corrosion caused by organic acids like acetic and formic acids, exhibit excellent thermal conductivity, and are highly energy efficient. Moreover, Super Duplex Hollow Pipes are easily machinable and weldable. Pipes marked Werkstoff number 1.4410 show minimal deformation upon heating, crucial for maintaining flange and connection integrity. 2507 Super Duplex Pipes are indispensable in heat exchangers for chemical processing, offshore oil and gas operations, and petrochemical manufacturing. Our Super Duplex 2507 Seamless Pipes meet international standards and are trusted by various 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 |
Premier Suppliers of Stainless Steel Tubes and Pipes in China
DUPLEX 2507 STAINLESS STEEL
- Daxun Alloy Stainless Steel proudly showcases its inventory of Duplex 2507 Stainless Steel Pipes. This exceptional super duplex stainless steel boasts a composition of 25% chromium, 4% molybdenum, and 7% nickel, making it perfect for applications demanding robust strength and superior corrosion resistance. Ideal for chemical processing, petrochemical, and seawater equipment, this alloy exhibits remarkable resistance to chloride stress corrosion cracking, excellent thermal conductivity, and a minimal coefficient of thermal expansion. Its elevated chromium, molybdenum, and nickel content ensures outstanding protection against pitting, crevice, and general corrosion.
GENERAL PROPERTIES
- Duplex 2507 (UNS S32750) is a premium super duplex stainless steel pipe, enriched with 25% chromium, 4% molybdenum, and 7% nickel. Engineered for the most challenging applications, it offers unparalleled strength and corrosion resistance, especially in chemical processing, petrochemical, and seawater environments. This steel demonstrates extraordinary resistance to chloride stress corrosion cracking, superior thermal conductivity, and a low coefficient of thermal expansion. The alloy's high chromium, molybdenum, and nickel content deliver extraordinary 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 plants, 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 wide range of general steel types including 310S, 316L, 304, 304L, 201, 904L, 316H, 316, 316L, and 300, as well as duplex stainless steels such as 2205, 2304, 2101, 2507, and high-nickel alloys like 904L, 800H, and 600H.
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?
Yes, we can manufacture products precisely according to your drawings to meet your highest satisfaction.
Q3. How does your factory do regarding quality control?
Quality is our top priority. We maintain rigorous control standards from the initial phase to the final product to ensure exceptional quality.
Q4. Can I request to change the form of packaging and transportation?
Yes, we can adjust the packaging and transportation methods as per your request,
but you will need to cover any additional costs and price differences incurred during this period.
Q5. How does your factory do regarding quality control?
Quality is our top priority. We maintain rigorous control standards from the initial phase to the final product to ensure exceptional quality.
Q6. How long is the delivery time?
A: Delivery time ranges from 7 to 20 working days after payment confirmation.
In urgent cases, we can expedite production to meet your deadlines.
Q7. What is your Payment?
A: 100% T/T advance, Western Union (For Small Order).
B: 30% T/T and balance 70% before the shipment.
C: 100% Irrevocable LC at sight (For Big Order).
Q8: Can you make DDQ (Deep Drawing Quality)?
A: Yes, we can. Our material is ideal for stainless steel pots, sinks, bowls, and more. Just inform us of your usage, and we will tailor the mechanical properties to meet your specific requirements.
Q9: How to get a sample?
A: FREE samples are available for your inspection and testing. If you need a small piece, we may cover the courier cost, depending on the situation.
Q10: Which country have you exported to?
A: To date, we have exported stainless steel material to Vietnam, Thailand, Turkey, Russia, Morocco, Korea, India, Pakistan, UAE, Ukraine, and many more.
Q11: How to 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.
