Duplex Steel UNS S32205 Seamless Tube Manufacturer and Supplier in Thailand
Duplex Steel UNS S32205 Seamless Tubes is high-performance, corrosion-resistant tube known for their excellent mechanical strength and durability in demanding environments. Thaida Stainless Steel Manufacturing (Thailand) Co., Ltd., a trusted UNS S32205 seamless tube manufacturer based in Chon Buri, produces Duplex steel tubes complying with ASME SA789 standards. We stock the largest inventory of tubes in various shapes, wall thicknesses and finish types, all offered at competitive prices. Duplex steel SAF 2205 tubes are made using advanced manufacturing processes and are widely used in offshore platforms, heat exchangers and chemical plants. These tubes offer strong weldability, fatigue resistance and long-term performance in harsh conditions. We also provide a certificate of origin with every order.
Product Overview: Duplex UNS S32205 Seamless Tubes
Advantages of Duplex Steel UNS S32205 Seamless Tubes
Duplex S32205 seamless tubing features such as corrosion resistance, durability, strength and more that make it a preferred choice for various demanding applications are mentioned below:
Strong Corrosion Resistance
Excellent resistance to pitting, crevice and stress corrosion, even in chloride-rich and aggressive chemical environments.
High Mechanical Strength
Superior strength compared to austenitic steels, enabling reduced wall thickness and improved performance under pressure.
Good Weldability
These tubes support easy fabrication with minimal risk of cracking or distortion during welding processes.
Low Thermal Expansion
Maintains dimensional stability under temperature changes, reducing risk of warping or stress buildup.
Long-Lasting in Harsh Environments
These tubes are designed to withstand extreme temperatures, pressures and corrosive conditions for extended service life.
Crack and Fatigue Resistant
Excellent resistance to fatigue, cracking and stress-related failures, ensuring structural integrity over time.
Why Choose Our Duplex Steel SAF 2205 Seamless Tubes
We are the best ASTM A789 duplex steel seamless tubes supplier in Thailand, and Thaida is known for delivering top-quality products with precision and reliability. Our duplex steel seamless tubes offer excellent corrosion resistance and long service life. We ensure strict quality control, competitive pricing and timely deliveries.
Competitive Pricing
Global Exports Expertise
Large Inventory & Fast Dispatch
Custom Sizes & Finishes
Industry Certifications & Compliance
Advanced Production Technology
After-Sales Support, Service- Technical Support
In-House Testing & Full Traceability
Duplex Steel S2205 Seamless Tubing Specification
The S2205 seamless tubing specification includes size range, standards, length, form and end types.
| Standards | ASTM, AISI, JIS, DIN, EN, SUS, GB |
|---|---|
| Types | Seamless |
| Size range | 1/2" OD - 12" OD |
| Form | Round, Hydraulic, Coiled, Square, U Shape, Rectangular, Straight, Honed Tubes, Pan Cake Coils |
| Thickness Range | SCH 10, SCH 160, SCH XXH, SCH XXS, SCH 5, SCH 40, SCH XS, SCH 80S, SCH 80 |
| Custom Size/Thickness | Available |
| End | Treaded, Beveled End, Plain End |
| Surface Finish | 8K, 1D, No.3, 180G, BA, No.4, 500G, No.1, Mirror Polished, 320G, HL, No.8, 400G, 2B, 600G or 800G Mirror finish Tubing, 2D, 400G Satin/ Hairline or Custom Finish as per customer's specification. |
| Marking Standard | Name of Manufacturer |
| Schedule | |
| Pressure Class | |
| Tube Size, etc | |
| Test Certificates | Third Party Inspection Report |
| Manufacturer Test Certificate | |
| Raw Materials Certificate | |
| 100% Radiography Test Report | |
| Laboratory Test Certificate from Govt. Approved Lab | |
| EN 10204/3.1B, EN 10204 3.1 and EN 10204 3.2 Material Test Certificates (MTC) |
Equivalent Grades of S32205 Seamless Tubes
Duplex 2205 seamless tubes equivalent table highlights international material codes, DIN numbers, and UNS numbers.
| STANDARD | WERKSTOFF NR. | UNS |
|---|---|---|
| Duplex 2205 | 1.4462 / 1.4462 | S31803 / S32205 |
Chemical Composition of UNS S32205 Seamless Tubes
This chemical composition of the UNS S32205 Seamless Tubes table includes key elements like chromium, nickel, and carbon and their percentage contribution.
| 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 Tubes
The mechanical properties of S32205 Duplex Stainless Steel Tubes like tensile strength, yield strength and elongation are mentioned below.
| Density | Melting Point | Yield Strength | Tensile Strength | Elongation |
|---|---|---|---|---|
| 7.8 g/cm³ | 1350 °C | Psi - 80000, MPa - 550 | Psi - 116000, MPa - 800 | 15% |
Physical Properties S32205 Duplex Stainless Steel Seamless Tubes
S32205 Duplex Stainless Steel Tubes physical properties like density, thermal conductivity and electrical resistivity are mentioned below.
| Property | Value | Units |
|---|---|---|
| Density | 7.8 | g/cm³ |
| Melting Point | 1350 – 1400 | °C |
| Thermal Conductivity | 19 | W/m·K |
| Electrical Resistivity | 85 | µΩ·cm |
| Elastic Modulus | 200 | GPa |
| Specific Heat | 500 | J/kg·K |
| Thermal Expansion (0–100°C) | 13.7 | µm/m·°C |
Duplex Steel S2205 Seamless Tubes Size Chart
The duplex SAF 2205 tube size chart includes diameter, sizes, wall thickness measurements for perfect tubing system alignment.
| Pipe Outer Diameter in mm | Pipe Wall Thickness in mm | inches | Schedule | Kg/m |
|---|---|---|---|---|
| 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 |
| 13.72 | 1.65 | 1/4 | 10S | 0.50 |
| 17.15 | 2.31 | 3/8 | 40S | 0.86 |
| 21.34 | 2.11 | 1/2 | 10S | 1.02 |
| 21.34 | 2.77 | 1/2 | 40S | 1.29 |
| 17.15 | 3.20 | 3/8 | 80S | 1.12 |
| 21.34 | 3.73 | 1/2 | 80S | 1.65 |
| 26.67 | 2.11 | 3/4 | 10S | 1.30 |
| 26.67 | 3.91 | 3/4 | 80S | 2.23 |
| 33.40 | 2.77 | 1 | 10S | 2.13 |
| 26.67 | 2.87 | 3/4 | 40S | 1.71 |
| 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 Tubes
This table provides pressure ratings for Duplex 2205 seamless tubes based on size and wall thickness.
| Pipe Outer diameter (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 Tubes Manufacturing Process
Following are the 5 steps involved in the duplex steel S32205 Tubes manufacturing process to achieve high-quality output. We use a professional manufacturing process to ensure every tube meets industry standards with superior strength and finish.
1. Raw Material Selection
High-quality duplex steel billets and strips are carefully selected for superior strength and corrosion resistance.
2. Tubes Formation
The selected raw material is formed into tubes using seamless extrusion methods, depending on the application.
3. Heat Treatment
Tubes undergo required controlled heat treatment to enhance mechanical properties and relieve internal stresses.
4. Cold Working and Finishing
After heat treatment, tubes are cold-worked for better surface finish, dimensional accuracy and improved strength.
5. Quality Control and Testing
Every tube is thoroughly inspected and tested to ensure it meets international quality standards for performance and reliability.
Applications of Duplex Stainless Steel S32205 Seamless Tubes
Duplex Stainless Steel S32205 Seamless Tubes are widely used in the oil and gas industry for subsea pipelines, pressure vessels, and processing equipment. They are also used in chemical plants, marine exhaust systems, and pulp & paper mills where exposure to aggressive media is common.
Oil and Gas Industry
Marine Applications
Chemical Industry
Petrochemical Industry
Power Plants
Aerospace & Defense
Automotive and Transportation
Desalination Plants
Pulp and Paper Industry
FAQ
Why choose Duplex Steel UNS S32205 over standard stainless steel?
Duplex Steel UNS S32205 offers higher strength and superior corrosion resistance compared to standard stainless steel. It resists pitting, stress corrosion cracking, and chloride attack even in harsh conditions. The material performs well in chemical, seawater, and high-pressure environments. It also reduces maintenance costs and ensures safer, longer-lasting operation.
What is Duplex UNS S32205 material?
UNS S32205 is a super duplex stainless steel with a balanced mix of ferritic and austenitic structures. It contains high chromium, nickel, molybdenum, and nitrogen. This combination gives excellent resistance to corrosion, pitting, and stress cracking. The material maintains strength under high temperature, pressure, and aggressive chemical exposure.
Can Thaida provide customized Duplex Steel UNS S32205 Seamless Tubes?
Yes. We can supply UNS S32205 tubes in custom lengths, diameters, and wall thicknesses. Special finishes and grades are also available. Customization ensures the tubes meet specific project requirements and perform reliably in demanding conditions.
What is the density of UNS S32205 material?
The density of UNS S32205 stainless steel is approximately 7.8 g/cm³. This ensures the material is strong yet workable for tubing, piping, and fittings. Its density also helps maintain durability under high pressure and temperature conditions.
What is the difference between UNS S31803 and UNS S32205?
UNS S32205 has higher chromium, molybdenum, and nitrogen than S31803. This makes it more resistant to pitting, stress corrosion cracking, and high-temperature chloride environments. S32205 is ideal for aggressive chemical and marine applications, while S31803 suits less extreme conditions. Both are duplex grades, but S32205 performs better under tough conditions.
What is the alternative to Duplex UNS S32205?
Alternatives include Super Duplex 2507 or high-alloy austenitic stainless steels like 904L. These materials offer similar strength and corrosion resistance for harsh chemical, seawater, or high-pressure applications. Selection depends on project needs, temperature, and chemical exposure.
Which industries use Duplex Steel UNS S32205 Seamless Tubes?
UNS S32205 tubes are used in oil and gas, chemical, petrochemical, seawater desalination, and power plants. Marine, pulp and paper, and other industrial sectors also rely on these tubes. Any application requiring strength, durability, and excellent corrosion resistance benefits from S32205 tubes.