Thaida Pipes and Tubes is a reliable manufacturer and supplier of Duplex Steel Tubes located in Bangkok, Thailand, that is known globally for providing high-performance tubing solutions of world–class quality. Our Duplex Steel Tubes offer high strength and exceptional corrosion resistance suited for chemical, marine, and industrial applications. Thaida combines the best in technology with strict adherence to quality control and a focus on customer service to deliver Duplex Steel Tubes that are trustworthy, long–lasting and manufactured to exacting standards for clients in the domestic and international markets.
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Duplex Steel Tubes consist of a balanced composition of both austenitic and ferritic stainless steels usually combined with chromium (22–25%), nickel (5–7%), molybdenum (2–4%), and trace amounts of nitrogen. They have great mechanical properties such as high tensile strength (about 700–900 MPa), good yield strength, and excellent resistance to stress corrosion cracking and pitting. Benefits of Duplex Steel Tubes involve outstanding corrosion resistance, high durability, good weldability, and cost efficiency. Their preferred applications are in chemical processing, desalination, oil and gas, and marine industries.
Duplex Steel Tubes Specification
| Tubes Specifications |
ASTM A789 / ASME SA789 |
| Dimensional specification |
ANSI/ASME B36.19M, ANSI/ASME B36.10M |
| ASTM A213 Seamless Tubes Size |
1 / 2″ NB – 16″ NB |
| Outside Diameter |
6.00 mm OD up to 914.4 mm OD, Sizes up to 24” NB available Ex-stock, OD Size Steel Tubes available Ex-stock |
| Duplex steel 2205 Tubes Manufacturing Shapes |
Hydraulic, Round, Rectangle, Square, Hex, Honed |
| Duplex Tubes Manufacturing Techniques |
Seamless |
| Duplex Tubes Schedule Thickness Range |
SCH 5, SCH10, SCH 40, SCH 80, SCH 80S, SCH 160, SCH XXS, SCH XS |
| Ferritic Stainless Steel Tubes End Types |
Plain End, Beveled End, Treaded One End, TBE (Treaded Both Ends) |
| Delivery Condition of Duplex steel Tubes |
Annealed and Pickled, Polished, Bright Annealed, Cold Drawn |
| Surface Finish |
No.1, No.4, No.8 Mirror Finish, 2B |
| Value Added Services |
Cutting, Beveling, Polishing, Threading, Destructive, Non-Destructive, Ultrasonic Testing |
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Why Choose Duplex Steel Tubes from Thaida?
Choosing Duplex Steel Tubes in Thailand ensures superior quality, durability, and performance. These pipes provide outstanding corrosion resistance and strength, making them ideal for demanding industrial applications. With a strong commitment to exceptional service and timely delivery, Thaida guarantees complete customer satisfaction. Backed by expertise in stainless steel products, we deliver high-grade, customized solutions designed to meet your specific requirements with precision and reliability.
Duplex Steel Sizes Chart
| WT × OD in mm |
inch |
Sch |
Kg/m |
| 1.065 × 13.072 |
1/4 |
10S |
0.050 |
| 2.024 × 13.072 |
1/4 |
40S |
0.064 |
| 3.002 × 13.072 |
1/4 |
80S |
0.081 |
| 1.065 × 17.015 |
3/8 |
10S |
0.064 |
| 2.031 × 17.015 |
3/8 |
40S |
0.086 |
| 3.020 × 17.015 |
3/8 |
80S |
1.012 |
| 2.011 × 21.034 |
1/2 |
10S |
1.002 |
| 2.077 × 21.034 |
1/2 |
40S |
1.029 |
| 3.073 × 21.034 |
1/2 |
80S |
1.065 |
| 2.011 × 26.067 |
3/4 |
10S |
1.030 |
| 2.087 × 26.067 |
3/4 |
40S |
1.071 |
| 3.091 × 26.067 |
3/4 |
80S |
2.023 |
| 2.077 × 33.040 |
1 |
10S |
2.013 |
| 3.038 × 33.040 |
1 |
40S |
2.054 |
| 4.055 × 33.040 |
1 |
80S |
3.029 |
| 6.0352) × 33.040 |
1 |
160 |
4.030 |
| 2.077 × 42.016 |
1¼ |
10S |
2.073 |
| 3.056 × 42.016 |
1¼ |
40S |
3.044 |
| 4.085 × 42.016 |
1¼ |
80S |
4.053 |
| 6.0352) × 42.016 |
1¼ |
160 |
5.069 |
| 2.077 × 48.026 |
1½ |
10S |
3.016 |
| 3.068 × 48.026 |
1½ |
40S |
4.011 |
| 5.008 × 48.026 |
1½ |
80S |
5.049 |
| 2.077 × 60.033 |
2 |
10S |
3.099 |
| 3.091 × 60.033 |
2 |
40S |
5.052 |
| 5.054 × 60.033 |
2 |
80S |
7.060 |
| 8.0742) × 60.033 |
2 |
160 |
11.029 |
| 3.005 × 73.003 |
2½ |
10S |
5.035 |
| 5.016 × 73.003 |
2½ |
40S |
8.077 |
Largest Duplex Steel Tubes Supplier in Thailand
A leading supplier of Duplex Steel Tubes, Thaida offers a wide range of high-quality pipes and tubes suitable for various industrial applications. With an extensive inventory and a strong commitment to dependable service, it has earned a reputation as a trusted provider of stainless steel solutions throughout Thailand.
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Types of Duplex Steel Tubes
Are Custom Sizes Available for Duplex Steel Tubes?
Yes, Thaida in Thailand provides custom sizes for Duplex Steel Tubes to perfectly match your specific requirements. Our dedicated team is committed to delivering tailored piping and tubing solutions that meet your industrial needs. For more information, reach out to us at [email protected].
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Duplex Steel Tubes are widely found in applications that require strength and corrosion resistance, including chemical and petrochemical plants utilized in heat exchangers, vessels, and process pipes. In the oil and gas segments, Duplex Steels Tubes are widely used in offshore platforms, pipelines, and subsea equipment because of its resistance to chloride stress corrosion. Duplex Steel Tubes also provides additional durability and long service life in marine, desalination, power generation, and pulp and paper industries subjected to harsh environments.
Duplex Steel Tubes Uses
