Duplex Steel UNS S32205 Seamless Pipe Manufacturer and Supplier in Thailand
Duplex Steel UNS S32205 Seamless Pipes refers to a type of pipe with no welds made from duplex stainless steel grade UNS S32205, which is known for its two-phase microstructure—containing austenite and ferrite steel. Thaida Stainless Steel Manufacturing (Thailand) Co., Ltd., based in Chon Buri, is a trusted supplier of Duplex Steel UNS S32205 seamless pipes, known for reliability and quality. As a global leader in duplex steel solutions, we deliver products that meet the highest standards of quality and precision. Our DIN 1.4462 seamless pipes are available in diverse sizes, wall thicknesses, and surface finishes at competitive pricing to meet a wide range of industrial needs. UNS S32205 pipe has higher nitrogen content than UNS S31803, offering improved strength and corrosion resistance. As specialized Duplex 2205 seamless pipe manufacturers, we serve the petrochemical, marine, pharmaceutical, and energy sectors with reliable and high-performance solutions.
Product Overview: Duplex UNS S32205 Seamless Pipes
Duplex steel UNS S32205 seamless pipes are high-performance pipes that conform to ASTM A790 and ASME SA790 standards, ensuring durability and reliability. It has chromium, nickel, molybdenum, and nitrogen, which contribute to their superior resistance to corrosion, especially in high-pressure applications. These pipes feature excellent dimensional accuracy, smooth internal surfaces, and are available in various surface finishes like pickled, polished, or mill finish. They have a density of 7.8 g/cm³, a melting point of approximately 1400°C, and good thermal conductivity. It also has a high tensile strength, yield strength, and elongation, making it ideal for applications requiring high wall thickness and performance. Additionally, the pipes form a self-healing layer, further enhancing their corrosion resistance. They are heat treated for optimal performance in both austenitic and duplex phases, ensuring long-lasting reliability in various industrial conditions.
Key Benefits of Duplex Steel SAF 2205 Seamless Pipes
The benefits of duplex steel SAF 2205 seamless pipes include excellent corrosion resistance, high strength, durability, and more for industrial use.
High Strength
SAF 2205 offers twice the yield strength of austenitic stainless steels like 316L, making it suitable for high-stress applications.
Excellent corrosion resistance
It resists stress corrosion cracking and crevice corrosion, especially in chloride-rich environments.
Good Weldability
Duplex 2205 can be welded using standard techniques while maintaining structural integrity and corrosion resistance.
Superior Pitting Resistance
The high chromium and molybdenum content provides excellent defense against pitting in seawater and acidic media.
Low Thermal Expansion
Reduced expansion improves dimensional stability under fluctuating temperatures.
Cost-Effective
Its high strength allows for thinner walls, reducing material usage and overall project cost.
Why Choose Our Duplex S32205 Seamless Pipes?
We are the best ASTM A790 Duplex Steel Seamless Pipes Supplier in Thailand, known for delivering premium quality products with exceptional reliability. Our Duplex S32205 Seamless Pipes are manufactured to meet international standards, offering outstanding strength, corrosion resistance, and durability. With a focus on precision engineering, timely delivery, and competitive pricing, we ensure complete customer satisfaction. Choose us for consistent quality, professional service, and a reliable supply for critical industrial needs.
Comprehensive Product Testing
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Duplex Steel S32205 Seamless Pipes Specification
The detailed duplex steel S32205 seamless pipe specification outlines pipe schedule, length, finish and compliance with global standards.
| ASTM Specification | ASTM A790 ASME SA790 |
|---|---|
| Standard | ASTM, ASME, JIS, AISI, AMS, EN, SAE, DIN, NF, TOCT, DS, DTD, GB |
| Duplex 2205 Seamless Pipes Size | 0.5" NB To 8" NB |
| Swg & Bwg | 12 Swg., 10 Swg., 16 Swg., 14 Swg., 20 Swg., 18 Swg., |
| Duplex 2205 Pipes Schedule | XS, SCH30, SCH40, XXS, SCH80, SCH120, SCH60, SCH140, STD, SCH10, SCH10S, SCH40S, SCH80, SCH20, SCH5, SCH160 |
| Duplex 2205 pipe Length | Double Random, Single Random, Standard & Cut length Pipes |
| Finish | Polished, AP (Annealed & Pickled), BA (Bright & Annealed), MF, NO.1, NO.4, 2B, BA, HL, 8K, Mirror finish, etc |
| Type of 2205 Alloy Pipes | Seamless |
| Duplex 2205 pipe End | Plain End, Beveled End, Treaded Pipes, Screwed ends |
| Marking on Duplex 2205 Pipes | All ASTM A790 Duplex 2205 Pipes are marked as follows: Standard, Grade, OD, Thickness, Length, Heat No. (Or according to the customer’s request.) |
| Application of Duplex 2205 Pipes | Dairy Pipes, Oil Pipes, Gas Pipes, Fluid Pipes, Boiler Pipes for Chemical Industry |
| Value Added Service | Draw & Expansion as per required Size & Length, Polish (Electro & Commercial) Annealed & Pickled Bending, Machining Etc. |
| Specialize in | Large Diameter Duplex 2205 Pipes |
Equivalent Grades of S32205 Seamless Pipes
The equivalent table for UNS S32205 Pipes outlines global standards, grade names, and UNS designations.
| STANDARD | WERKSTOFF NR. | UNS |
|---|---|---|
| Alloy 2205 Pipes | 1.4462 / 1.4462 | S31803 / S32205 |
Chemical Composition of UNS S32205 Seamless Pipes
The UNS S32205 Seamless Pipes chemical composition table highlights the exact percentage of key elements like chromium, nickel, molybdenum, and nitrogen
| Grade | C | Mn | P | S | Si | Ni | Cr | Mo | N |
|---|---|---|---|---|---|---|---|---|---|
| S32205 | ≤0.03 | ≤2.00 | ≤0.03 | ≤0.02 | ≤1.00 | 4.50–6.50 | 22.00–23.00 | 3.00–3.50 | 0.14–0.20 |
Mechanical Properties of S32205 Duplex Stainless Steel Seamless Pipes
Duplex S32205 pipes mechanical properties like tensile strength, yield strength, and elongation are outlined below.
| Density | Melting Point | Yield Strength | Tensile Strength | Elongation |
|---|---|---|---|---|
| 7.8 g/cm³ | 1350 °C (2460 °F) | Psi - 80,000, MPa - 550 | Psi - 116,000, MPa - 800 | 15% |
Physical Properties of S32205 Duplex Stainless Steel Seamless Pipes
The physical properties of Duplex S32205 pipes like density, thermal conductivity, and specific heat capacity are mentioned below.
| Temperature °F | 68 | 212 | 392 | 572 | |
|---|---|---|---|---|---|
| Density | lb/in3 | 0.278 | — | — | — |
| Modulus of Elasticity | psi x 106 | 27.6 | 26.1 | 25.4 | 24.9 |
| Linear Expansion (68°F-T) | 10-6/°F | — | 7.5 | 7.8 | 8.1 |
| Thermal Conductivity | Btu/h ft°F | 8.7 | 9.2 | 9.8 | 10.4 |
| Heat Capacity | Btu/lb ft°F | 0.112 | 0.119 | 0.127 | 0.134 |
| Electrical Resistivity | Ωin x 10-6 | 33.5 | 35.4 | 37.4 | 39.4 |
UNS S32205 Duplex SAF 2205 Pipes Size Chart
SAF 2205 seamless pipe size chart provides dimensions like OD, schedule, and standard lengths for precise industrial applications.
| Pipe OD mm |
Pipe WT mm |
in. | Sch | Kg/m |
|---|---|---|---|---|
| 13.72 | 1.65 | 1/4 | 10S | 0.50 |
| 13.72 | 2.24 | 1/4 | 40S | 0.64 |
| 13.72 | 3.02 | 1/4 | 80S | 0.81 |
| 17.15 | 1.65 | 3/8 | 10S | 0.64 |
| 17.15 | 2.31 | 3/8 | 40S | 0.86 |
| 17.15 | 3.20 | 3/8 | 80S | 1.12 |
| 21.34 | 2.11 | 1/2 | 10S | 1.02 |
| 21.34 | 2.77 | 1/2 | 40S | 1.29 |
| 21.34 | 3.73 | 1/2 | 80S | 1.65 |
| 26.67 | 2.11 | 3/4 | 10S | 1.30 |
| 26.67 | 2.87 | 3/4 | 40S | 1.71 |
| 26.67 | 3.91 | 3/4 | 80S | 2.23 |
| 33.40 | 2.77 | 1 | 10S | 2.13 |
| 33.40 | 3.38 | 1 | 40S | 2.54 |
| 33.40 | 4.55 | 1 | 80S | 3.29 |
| 33.40 | 6.352) | 1 | 160 | 4.30 |
| 42.16 | 2.77 | 1¼ | 10S | 2.73 |
| 42.16 | 3.56 | 1¼ | 40S | 3.44 |
| 42.16 | 4.85 | 1¼ | 80S | 4.53 |
| 42.16 | 6.352) | 1¼ | 160 | 5.69 |
| 48.26 | 2.77 | 1½ | 10S | 3.16 |
| 48.26 | 3.68 | 1½ | 40S | 4.11 |
| 48.26 | 5.08 | 1½ | 80S | 5.49 |
| 60.33 | 2.77 | 2 | 10S | 3.99 |
| 60.33 | 3.91 | 2 | 40S | 5.52 |
| 60.33 | 5.54 | 2 | 80S | 7.60 |
| 60.33 | 8.742) | 2 | 160 | 11.29 |
| 73.03 | 3.05 | 2½ | 10S | 5.35 |
| 73.03 | 5.16 | 2½ | 40S | 8.77 |
| 73.03 | 7.01 | 2½ | 80S | 11.59 |
| 88.90 | 3.05 | 3 | 10S | 6.56 |
| 88.90 | 5.49 | 3 | 40S | 11.47 |
| 88.90 | 7.62 | 3 | 80S | 15.51 |
| 88.90 | 11.132) | 3 | 160 | 21.67 |
| 101.60 | 3.05 | 3½ | 10S | 7.53 |
| 101.60 | 5.74 | 3½ | 40S | 13.78 |
| 101.60 | 8.08 | 3½ | 80S | 18.92 |
| 114.30 | 3.05 | 4 | 10S | 8.50 |
| 114.30 | 6.02 | 4 | 40S | 16.32 |
| 114.30 | 8.56 | 4 | 80S | 22.67 |
| 114.30 | 13.492) | 4 | 160 | 34.05 |
| 141.30 | 6.55 | 5 | 40S | 22.10 |
| 141.30 | 9.53 | 5 | 80S | 31.44 |
| 141.30 | 15.882) | 5 | 160 | 49.87 |
| 168.28 | 3.4 | 6 | 10S | 14.04 |
| 168.28 | 7.11 | 6 | 40S | 28.69 |
| 168.28 | 10.97 | 6 | 80S | 43.21 |
| 168.28 | 14.27 | 6 | 120 | 54.75 |
| 168.28 | 18.262) | 6 | 160 | 68.59 |
| 219.08 | 8.18 | 8 | 40S | 43.20 |
| 219.08 | 12.7 | 8 | 80S | 65.63 |
| 219.08 | 18.23 | 8 | 120 | 91.30 |
| 219.08 | 23.012) | 8 | 160 | 112.97 |
Pressure Rating of 2205 Duplex Seamless Pipes
Duplex S32205 pipes pressure rating chart includes working pressure limits based on different wall thickness of pipe.
| Pipe O.D. (In.) |
Wall Thickness Of Pipes (Inches) | |||||||
|---|---|---|---|---|---|---|---|---|
| .028 | .035 | .049 | .065 | .083 | .095 | .109 | .120 | |
| Working Pressure (Psig) | ||||||||
| 1/8 | 7900 | 10100 | ||||||
| 1/4 | 3700 | 4800 | 7000 | 9500 | ||||
| 5/16 | 3700 | 5400 | 7300 | |||||
| 3/8 | 3100 | 4400 | 6100 | |||||
| 1/2 | 2300 | 3200 | 4400 | |||||
| 3/4 | 2200 | 3000 | 4000 | 4600 | ||||
| 1 | 2200 | 2900 | 3400 | 3900 | 4300 | |||
Duplex Steel S32205 Seamless Pipes Manufacturing Process
Five main steps involved in the duplex steel S32205 seamless pipes manufacturing process, each contributing to the product’s final quality.
1. Raw Material Selection
High-quality duplex steel billets and strips are carefully selected for superior strength and corrosion resistance.
2. Pipes Formation
The selected raw material is formed into pipes using seamless extrusion methods, depending on the application.
3. Heat Treatment
Pipes undergo required controlled heat treatment to enhance mechanical properties and relieve internal stresses.
4. Cold Working and Finishing
After heat treatment, pipes are cold-worked for better surface finish, dimensional accuracy and improved strength.
5. Quality Control and Testing
Every pipe is thoroughly inspected and tested to ensure it meets international quality standards for performance and reliability.
Applications of Duplex Stainless Steel S32205 Seamless Pipes
Duplex Steel S32205 Pipes are primarily used in the oil and gas industry for offshore platforms, subsea pipelines, and pressure systems. These pipes are preferred in this sector due to their ability to withstand high chloride environments and prevent corrosion cracking. They are also used in desalination plants, chemical processing units, and marine exhaust systems where high strength and corrosion resistance are essential.
Oil and Gas Industry
Marine Applications
Chemical Industry
Petrochemical Industry
Power Plants
Aerospace & Defense
Automotive and Transportation
Desalination Plants
Pulp and Paper Industry
FAQ's
Duplex Steel UNS S32205 Seamless Pipes
Duplex Steel UNS S32205 Seamless Pipes
The key difference between Duplex Stainless Steels UNS S31803 and UNS S32205 lies in the latter’s higher minimum levels of nitrogen (0.14%–0.20%), chromium (22.0%–23.0%), and molybdenum (3.0%–3.5%). These precise enhancements give S32205 improved corrosion and pitting resistance compared to S31803, making it the more advanced and preferred option for demanding and highly corrosive environments
What industries commonly use Duplex Steel UNS S32205 Seamless Pipes?
What industries commonly use Duplex Steel UNS S32205 Seamless Pipes?
Duplex Steel UNS S32205 seamless pipes are widely used in industries that demand high strength and corrosion resistance, including oil and gas, petrochemical, chemical processing, power generation, marine, pulp and paper, and pharmaceutical sectors. Their durability and resistance to harsh environments make them ideal for applications such as heat exchangers, desalination systems, and the transfer of corrosive fluids. They are also utilized in food processing, waste management, and construction projects where reliability and longevity are essential.
Can Thaida supply customized Duplex Steel UNS S32205 Seamless Pipes?
Can Thaida supply customized Duplex Steel UNS S32205 Seamless Pipes?
Yes, Thaida can supply customized Duplex Steel UNS S32205 Seamless Pipes tailored to specific project requirements. The company offers customization in dimensions, wall thickness, length, and surface finish to meet diverse industrial standards. With advanced manufacturing capabilities and stringent quality control, Thaida ensures precise, high-performance pipes suitable for demanding operating conditions.
Can Duplex Steel UNS S32205 Seamless Pipes be welded easily?
Can Duplex Steel UNS S32205 Seamless Pipes be welded easily?
Yes, Duplex Steel UNS S32205 Seamless Pipes can be welded easily using common methods like TIG and MIG.
What is duplex S32205 material?
What is duplex S32205 material?
Duplex S32205 is a high-performance, nitrogen-enhanced stainless steel featuring a balanced ferritic and austenitic microstructure that delivers exceptional strength and resistance to pitting and crevice corrosion. It is the most widely used duplex grade, commonly applied in the oil and gas and chemical processing industries where durability and corrosion resistance are critical.
What is the difference between Duplex 2205 and 316 SS?
What is the difference between Duplex 2205 and 316 SS?
Duplex 2205 and 316 stainless steel differ mainly in strength, corrosion resistance, and composition. Duplex 2205, containing nitrogen with a balanced ferritic-austenitic microstructure, offers about twice the yield strength of 316L and superior resistance to stress corrosion, pitting, and fatigue, especially in chloride-rich or marine environments. It also features a lower thermal expansion coefficient and higher energy absorption, making it ideal for demanding structural and pressure applications, whereas 316 stainless steel is more suited for general chemical and industrial use where corrosion conditions are moderate.
What is the density of S32205 material?
What is the density of S32205 material?
The density of S32205 material is about 7.8 g/cm³ (or 7.805 g/cm³), which is equivalent to approximately 0.285 lb/in³.
What is SA 240 S32205 material?
What is SA 240 S32205 material?
SA 240 S32205 is a high-strength duplex stainless steel material specified by the ASTM A240 standard, commonly known as 2205 stainless steel. It is a balanced mixture of austenitic and ferritic microstructures that provides high strength, ductility, and excellent resistance to pitting, crevice corrosion, and stress corrosion cracking.