Thaida Pipes and Tubes is a prominent manufacturing and supplying business based in Bangkok, Thailand. The company specializes in the manufacturing of premium-quality stainless steel U tubes engineered for use in heat exchangers, condensers, and boiler installations. Thaida’s U tubes are designed for an extended service life; they offer durability, corrosion resistance, and high performance, providing efficient heat transfer in energy systems. Thaida utilizes modern manufacturing facilities with quality specifications applied throughout the manufacturing process. Thaida supplies products to the petrochemical, power generation, and marine industries, domestically as well as overseas.
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Stainless Steel U Tubes are mostly made of iron, chromium, nickel, and molybdenum, which give them great corrosion, oxidation, and high-temperature resistances. They have very good mechanical properties such as high tensile strength, high toughness, and good thermal conductivity, making them very well suited for heat-transferring situations. These tubes maintain structural integrity under high pressure and thermal stress. The benefits of these tubes are long service life, low maintenance and great durability, promoting reliable performance in heat exchangers, condensers, and boiler systems in the power, chemical, and marine industries.
Stainless Steel U Tubes Specification
| Specification |
Details |
| SS U Tube Size |
6.35 mm OD to 273 mm OD |
| SS U Tubing Outside Diameter |
9.52 mm to 50.80 mm |
| SS U Tubing Thickness |
0.7 mm to 3.68 mm |
| SS U Tube Length |
As per customer requirement, maximum up to 22 meters long |
| SS U Tube Standards |
ASTM A213, ASME SA213 |
| SS U Tube Grades |
TP 304, TP 304L, TP 316, TP 316L, TP 321, TP 321H, TP 347, TP 347H, TP 202, TP 409, TP 409L, TP 410, TP 430Ti, TP 439 |
| SS U Tubing Type |
Seamless Tubes, Welded Tubes |
| SS U Tubing Finishing |
Mechanical polished with grits 80, 120, 240, 320, 400, 600 and mirror polished |
Chemical Composition of Stainless Steel U Tubes
| Elem-Ent |
Grade |
TP304 |
TP304L |
TP304LN |
TP316 |
TP316L |
TP316LN |
TP XM-29 |
TP 304N |
TP 316N |
| % |
UNS |
S30400 |
S30403 |
S30453 |
S31600 |
S31603 |
S31653 |
S24000 |
S30451 |
S31651 |
| C, Max |
|
0.08 |
0.035 |
0.035 |
0.08 |
0.035 |
0.035 |
0.060 |
0.08 |
0.08 |
| Mn, Max |
|
2.00 |
2.00 |
2.00 |
2.00 |
2.00 |
2.00 |
11.50-14.50 |
2.00 |
2.00 |
| Ph, Max |
|
0.040 |
0.040 |
0.040 |
0.040 |
0.040 |
0.040 |
0.060 |
0.040 |
0.040 |
| S, Max |
|
0.030 |
0.030 |
0.030 |
0.030 |
0.030 |
0.030 |
0.030 |
0.030 |
0.030 |
| Si, Max |
|
0.75 |
0.75 |
0.75 |
0.75 |
0.75 |
0.75 |
1.00 |
0.75 |
0.75 |
| Ni |
|
8.00-11.00 |
8.00-13.00 |
8.00-13.00 |
10.00-14.00 |
10.00-15.00 |
10.00-15.00 |
2.25-3.75 |
8.00-1.00 |
10.00-14.00 |
| Cr |
|
18.00-20.00 |
18.00-20.00 |
18.00-20.00 |
16.00-18.00 |
16.00-18.00 |
16.00-18.00 |
17.00-19.00 |
18.00-20.00 |
16.00-18.00 |
| Mo |
|
– |
– |
– |
2.00-3.00 |
2.00-3.00 |
2.00-3.00 |
– |
– |
2.00-3.00 |
| N |
|
– |
– |
0.10-0.16 |
– |
– |
0.10-0.16 |
0.20-0.40 |
0.10-0.16 |
0.10-0.16 |
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Why Choose Stainless Steel U Tubes from Thaida?
Choosing Stainless Steel U Tubes in Thailand ensures superior quality, durability, and performance. These Tubes 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.
Dimensional Tolerances of Stainless Steel U Tubes
| Standard |
SIZES OD (INCHES) |
Tolerances Chart |
| O.D. |
Wall Thickness |
| PLUS (+) |
MINUS (−) |
PLUS (+) |
MINUS (−) |
| ASTM-A-213 |
Under 1.000 |
.004″ |
.004″ |
20% |
0% |
| ASME-SA-213 |
1.000 to 1.500 |
.006″ |
.005″ |
20% |
0% |
| Cold Finished Seamless |
1.501 to 1.999 |
.008″ |
.008″ |
22% |
0% |
| Heat Exchanger Tubes |
2.000 to 2.499 |
.010″ |
.010″ |
22% |
0% |
| Minimum Wall |
2.500 to 2.999 |
.012″ |
.012″ |
22% |
0% |
| |
3.000 to 4.000 |
.015″ |
.015″ |
22% |
0% |
| |
4.001 to 5.000 |
.015″ |
.025″ |
22% |
0% |
Largest Stainless Steel U Tubes Supplier in Thailand
A leading supplier of Stainless Steel U 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 Stainless Steel U Tubes
Are Custom Sizes Available for Stainless Steel U Tubes?
Yes, Thaida in Thailand provides custom sizes for Stainless Steel U 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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Stainless Steel U Tubes find extensive applications in heat exchangers, condensers, and boiler systems where the combination of efficient heat exchange and corrosion resistance is needed. They are widely utilized in power generation, petrochemical, oil and gas, chemical processing, and marine industries. The U-shape design of U tubes allows for compact installation, efficiency of heat transfer, and ease of maintenance. U tubes are perfect for an application with high temperature and high-pressure scenarios, and they are built to last. Also, U Tubes lead to energy efficiency and reliable service in high demanding applications such as steam generation, cooling systems, and thermal recovery units.
Stainless Steel U Tubes Uses
