| Customization: | Available |
|---|---|
| Type: | Stainless Steel Pipes |
| Standard: | ASTM, AISI, GB, JIS, EN |
|
Still deciding? Get samples of $ !
Request Sample
|
Suppliers with verified business licenses
Audited Supplier Audited by an independent third-party inspection agency
| Stainless Steel S32205/S31803 Tube Standards | SA 789 alloy 2205, astm a790 duplex 2205, a790 gr 2205ASTM A213, ASTM A249, ASTM A269, ASME SA213, ASME SA249, ASME SA269, EN 10216-5 TC1 / TC2, PED 97/23/EC, AD 2000, NACE MR0175/ISO 15156 |
| S32205/S31803 SEAMLESS Stainless Steel Aerospace Tubing | AMS 5557, AMS 5897 (Canceled & non-current specs include MIL-T-8808, MIL-T-8973) |
| S32205/S31803 WELDED & DRAWN Stainless Steel Aerospace Tubing | AMS 5556, AMS 5575 (Canceled & non-current specs include MIL-T-6737, MIL-T-8606, MIL-T-8808) |
| Stainless Steel S32205/S31803 Seamless Tube Size | 3.35 mm OD To 101.6 mm OD |
| Stainless Steel S32205/S31803 Welded Tube Size | 6.35 mm OD To 152 mm OD |
| Swg & Bwg | 10 Swg., 12 Swg., 14 Swg., 16 Swg., 18 Swg., 20 Swg. |
| Stainless Steel S32205/S31803 tubing wall thickness | 0.020″ -0.220″, (special wall thicknesses available) |
| SS S32205/S31803 tube Length | Single Random, Double Random, Standard & Cut length |
| S32205/S31803 Stainless Steel Tube Finish | Polished, AP (Annealed & Pickled), BA (Bright & Annealed), MF |
| Stainless Steel S32205/S31803 tube Form | Round, Coil, Square, Rectangular, Boiler, Hydraulic, Straight or 'U' bent Tubes, Hollow, LSAW Tubes Etc. |
| Stainless Steel S32205/S31803 Tube Type | Seamless, ERW, EFW, Welded, Fabricated |
| Electropolished | (EP) Electropolished for Ultra High Purity Systems |
| Non-Electropolished | (BA) Bright Annealed or (AP) Annealed & Pickled for High-Purity, (CFOS) Cleaned for Oxygen Grade Service or Corrosive Systems |
| I.D. Surface Finish Options | 5, 7 & 10 µin. Ra |
| JIS | 8A to 250A |
| Tolerances | In accordance with: ASTM: A269 & A632, JIS: G 3459 |
| S32205/S31803 stainless steel tubing End | Plain End, Beveled End, Treaded, Ends are suitable for orbital welding |
| Marking | All S32205/S31803 Stainless Steel tubes are marked as follows: Standard, Grade, OD, Thickness, Length, Heat No. (Or according to the customer's request.) |
| S32205/S31803 stainless steel tubing Application | Oil Tube, Gas Tube, Fluid Tube, Boiler and Heatexchanger |
| Value Added Service | Draw & Expansion as per required Size & Length, Polish (Electro & Commercial) Annealed & Pickled Bending, Machining Etc. |
| Specialize in | Stainless Steel S32205/S31803 Capillary Tube & Other Odd Size |
| Stainless Steel S32205/S31803 Heat Exchanger & Condenser Tubes | |
| Stainless Steel S32205/S31803 Hydraulic tubing with OD up to 50.8 mm (2.0 in.) are delivered in bright annealed condition | |
| Stainless Steel S32205/S31803 hydraulic tube with OD larger than 50.8 mm are supplied in the annealed and pickled condition, Or in polished condition | |
| Marking & Traceability | Each Stainless Steel S32205/S31803 Tubing is traceable to its producing mill and heat by an identification number etched within 24″ (610mm) of one end. |
| S32205/S31803 stainless steel tubing Test Certificate | Manufacturer Test Certificate according to EN 10204 3.1 B |
| Laboratory Test Certificate from Govt. Approved Lab. | |
| Under Third Party Inspection | |
| S32205/S31803 stainless steel tubing Testing & Inspection | Visual inspection • Surface roughness measurement • Helium-leak testing • Scanning Electron Microscopy (SEM) • Auger Electron Microscopy (AES) • Election Spectroscopy for Chemical Analysis (ESCA or XPS) • Particle testing • Moisture testing |
CORROSION RESISTANCE Alloy 2205 showcases excellent resistance to chloride-induced pitting and stress corrosion cracking.
ELEVATED TEMPERATURE RESISTANCE The ASME Boiler and Pressure Vessel Code sets an upper-temperature limit of 600°F (315°C). Prolonged exposure to higher temperatures can lead to embrittlement.
MECHANICAL PROPERTIES Alloy 2205 boasts more than double the strength of traditional austenitic stainless steels in the annealed state. It is also available in cold-worked condition, with yield strength surpassing 160 ksi. It retains excellent toughness at temperatures as low as -50°F (-10°C).
WORKABILITY Alloy 2205 is amenable to cold forming. However, due to its high work-hardening rate, intermediate annealing may be necessary. Post hot or cold forming, annealing is recommended to achieve optimal stress corrosion resistance.
Our forming capabilities are extraordinary, featuring advanced extrusion and cold working assets for tube and pipe manufacturing. We are proud to operate one of the world's largest pilger mills and a unique hydroforming process for precision fittings.
As a fully integrated manufacturing powerhouse, Daxun delivers a comprehensive suite of one-stop solutions. From overseeing entire projects to executing specialized machining tasks, our extensive capabilities include straightening, drilling, honing, trepanning, cutting, testing, boring, machining, laser welding, polishing, turning, and customized services. Experience the Daxun difference in excellence and reliability.
Equipped with both vertical and horizontal presses ranging from 12,000 to 35,000 tons, Daxun boasts the industry's most extensive pipe extrusion capabilities. This enables us to produce pipes of unmatched length and diameter, setting new standards in the industry.
Suppliers of ASTM A789 UNS S32205 Duplex Stainless Steel Seamless Pipes and 2205 (S31803) Duplex Stainless Steel Welded Pipes Alloy 2205 is a highly revered duplex stainless steel enhanced with nitrogen to significantly bolster its corrosion resistance, especially in welding applications. When in its annealed state, Alloy 2205 showcases strength more than double that of conventional austenitic stainless steels and exceeds Alloy 316 in terms of corrosion resistance under numerous conditions. Recognized as the most widely utilized duplex stainless steel, Alloy 2205-also known as UNS N31803 and 22-Chromium-boasts a composition of 22% chromium, 3% molybdenum, and 5-6% nickel alloy. This makes it exceptionally resilient against fatigue, stress corrosion cracking, crevice corrosion, pitting, erosion, and general corrosion, even in the most challenging environments.
At Daxun Alloys, our production of stainless steel alloy 2205 tubing spans a diverse range of forms and sizes, including seamless, welded, precision, and capillary tubing. Adhering to stringent industry standards from esteemed bodies such as ASTM, ASME, ISO, UNS, and EN, our alloy 2205 products maintain unparalleled quality and reliability.
Dah Hsun Alloys stands as a dependable supplier of Duplex 2205 Stainless Steel Pipes. Renowned for our extensive inventory, we carry an array of Duplex 2205 Round Pipes, Square Pipes, Polished Pipes, Electro Polished Pipes, and Cold Drawn Stainless Steel Pipes at our Chinese facility. As an ISO 9001 certified manufacturer, we have been producing Duplex 2205 Seamless and Welded Pipes since 1999. Our comprehensive stock exceeds 25,000 tonnes of various shapes, sizes, and coatings, positioning us as one of China's largest ASTM A789 UNS S32205 pipe stockists. Initially established as a 2205 Duplex Stainless Steel Pipe trader, we have evolved into a leading distributor and manufacturer, recognized for high-quality Duplex SS 2205 pipes. We expanded our reach by stocking ASTM A790 UNS S31803 Duplex Steel Pipes from premier US and European manufacturers. Today, we are a leading stockholder of Duplex S 2205 Seamless Pipes in both India and China. As China's sole provider of Duplex 2205 Pipes in all specifications, we offer SCH 40, SCH 80, SCH 160, SCH 10, SCH XS, and SCH XXS Duplex 2205 pipes. Purchase top-quality 2205 Duplex Stainless Steel Pipes at the most competitive prices in China.
Chemical Composition of 2205/S32205/S31803 Stainless Steel Pipe
| Grade | C | Mn | Si | P | S | Cr | Mo | Ni | N |
| 2205 | 0.03 | 2 | 1 | 0.03 | 0.02 | min: 21.0 | min: 2.5 | min: 4.5 | min: 0.08 |
| (S31803) | max | max | max | max | max | max: 23.0 | max: 3.5 | max: 6.5 | max: 0.20 |
| 2205 | 0.03 | 2 | 1 | 0.03 | 0.02 | min: 22.0 | min: 3.0 | min: 4.5 | min: 0.14 |
| (S32205) | max | max | max | max | max | max: 23.0 | max: 3.5 | max: 6.5 | max: 0.20 |
| Grade | Tensile Strength | Yield Strength | Elongation | Hardness | |
| (MPa) min | 0.2% Proof | (% in 50mm) min | |||
| (MPa) min | Rockwell C (HR C) | Brinell (HB) | |||
| UNS S31803 / 2205 | 621 | 448 | 25 | 31 max | 293 max |
| UNS S32205 / 2205 | 621 | 448 | 25 | 31 max | 293 max |
| Grade 2205 | Density | Elastic | Mean Co-eff of Thermal | Thermal | Specific | Electrical | |||
| (kg/m3) | Modulus(GPa) | Expansion (μm/m/°C) | Conductivity (W/m.K) | Heat | Resistivity | ||||
| 0-100°C | 0-315°C | 0-538°C | at 100°C | at 500°C | 0-100°C( J/kg.K) | (nΩ.m) | |||
| UNS S32205 / UNS S31803 | 782 | 190 | 13.7 | 14.2 | - | 19 | - | 418 | 850 |
Duplex 2205 stainless steel pipe is a premium ferritic-austenitic alloy containing 22% chromium, 3% molybdenum, and 5-6% nickel. As the most widely utilized duplex stainless steel grade, it offers twice the yield strength of standard austenitic grades. Renowned for its superior fatigue strength, it excels in resistance to stress corrosion cracking, crevice, pitting, erosion, and general corrosion even under harsh conditions.
Leading manufacturers recommend a maximum hot forming temperature range between 2010 and 2100°F (1100 and 1150°C). If the workpiece isn't compact, the edges may cool faster than the bulk, risking cracks in cooler areas.
Duplex 2205 Stainless Steel Tube offers exceptional formability across various manufacturing processes. While the high strength of Duplex 2205 is advantageous, it does pose challenges. Even with robust equipment, the increased springback due to this grade's high strength must be carefully considered.
Machining Duplex 2205 can be slightly more challenging than machining 300 series austenitic stainless steels. The process demands higher cutting forces, resulting in quicker tool wear. Here are some essential machining guidelines: A) Utilize a powerful, rigid machine with strong tool and workpiece mounts; B) Minimize tool extensions to reduce vibration; C) Limit the tool nose radius to ensure the carbide remains sharp while maintaining sufficient strength; D) Plan the machining sequence to ensure the depth of cut stays below the work-hardened layer from the previous operation.
){kind=link}