Seamless Stainless U Tube
U-Tubing uses in heat transferring pipeline of heat-exchanger, superheater, feed water heater and radiator, it has wide applications in petrol, chemical, thermal power generation and nuclear power industry. U-Tubing in Baosheng, with wide size range, common austenitic stainless steel such as 304/304L、316/316L、321、347 and so on, the Min. bend radius R≥1.5D; for duplex stainless steel such as UNS S31500、UNS S31803、UNS S32205 and so on, the Min. bend radius R≥2.0D.
If any questions,please contact sales@tubesolutions.com.cn
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Description
U-Tubing uses in heat transferring pipeline of heat-exchanger, superheater, feed water heater and radiator, it has wide applications in petrol, chemical, thermal power generation and nuclear power industry. U-Tubing in Baosheng, with wide size range, common austenitic stainless steel such as 304/304L、316/316L、321、347 and so on, the Min. bend radius R≥1.5D; for duplex stainless steel such as UNS S31500、UNS S31803、UNS S32205 and so on, the Min. bend radius R≥2.0D.
Note: D is nominal diameter of stainless steel pipes & tubes)
Straight Tube Production Specifications:
GB 13296-2007 Specification for seamless stainless steel boiler, heat-exchanger tubes
ASTM A213/213M Specification for seamless ferritic and austenitic alloy-steel boiler, superheater, and heat-exchanger tubes
U-bending Production Specifications：
ASTM A688/688M Specification for welded austenitic stainless steel feedwater heater tubes
Main Grade: TP304、TP304L、TP304H、TP316、 TP316L、 TP316Ti、TP316LN、 TP317、TP317L、TP321、TP321H、TP347、TP347H、TP310S、 UNS S31803、UNS S32205, etc.
Size Range: φ15.88~38.10X0.89~2.11mm
1. Production of seamless stainless steel tubes since 2006.
2. Working with customers from Europe,West Asia,North America,South America,etc since 2006.
3. Samples can be delivered within 10 days after confirmation.
4. 40 days as the production period and delivery after order confirmation.
5. 20,000 meters of seamless stainless steel tubes in stock.
6. 200 sizes can be offered from OD:15.88 mmxWT:0.89mm to OD:38.1mmxWT:2.11mm
7. Third party inspection like:TUV,BV,SGS,etc accepted
8. Professional team assists your special tube requirements.
9. Other related tubes can be offered with competitive prices:seamless/welded stainless tubes,capillary stainless tubes;etc
If any questions,you are more than welcome to contact sales@tubesolutions.com.cn
U-shaped or U-bent tubes give the end user more freedom to design a more compact system than straight tubes do. The stainless steel U bend tube is perfect for applications involving heat and elevated pressure levels since it is frequently used in heat exchanger applications. An expansion joint would be used to join a straight tube in settings with exceptionally high temperatures. It would be terrible for the application if straight tubes’ thermal expansion was not taken into account.
Not to add, the price of the application is increased by the cost of using an expansion joint. However, when connecting a tube and a shell, a Stainless Steel U Bend Tube For Heat Exchanger allows for thermal expansion of the component without adding on or increasing the cost. As a result, employing stainless steel U-shaped tubes is not only effective but also economical. Although the component’s design is critical for its intended use, choosing the right grade when producing the stainless steel U-shaped tube is also a crucial factor. Stainless steel comes in a variety of grades on the market today.
Any grade of stainless steel tube U bend has an almost endless range of applications, from the highly affordable grade alloy 304 to the marine grade alloy 316. The Ss 316ti U Bend Tubes, which contain titanium added to its chemical composition, is one of the most attractive alloys since the durability of the application also comes into view. In particular, the alloy creates titanium carbide rather than carbide precipitates, which is not lethal to welded components, which improves the high temperature performance of the stainless steel welded U tube.
| Size | 6.35 Mm OD to 101.60Mm OD |
| Outside Diameter | 6.35 mm O.D to 101.60 mm O.D |
| Thickness | 0.7 mm to 3.68 mm |
| Length | As per Customer requirement, Maximum upto 22 Meter Long. |
| Standards | ASTM A213, ASME SA213 |
| Type | Seamless Tubes, Welded Tubes |
| Grades | TP 304 Tube, TP 304L Tube, TP 304H, TP 316 Tube, TP 316L Tube, TP 316H, TP 316Ti Tube, TP 317L Tube, TP 321 Tube, TP 321H Tube, TP 347 Tube, TP 347H Tube, TP 202 Tube, JT 7 Tube, J4 1 Tube, TP 409 Tube, TP 409L Tube, TP 410 Tube, TP 430Ti Tube, TP 439 Tube |
| Finishing | It can be supplied in mechanical polished with various grits like at 80, 120, 240, 320, 400, 600 grits and mirror polished. |
| Wall Thickness In Mm. | 0.5 | 0.6 | 0.7 | 0.8 | 1 | 1.2 | 1.6 | 2 | 2.6 | 3 | 3.2 | 3.6 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| O.D. In Mm. | Weight In Kg/Meter | |||||||||||
| 6 | 0.069 | 0.081 | 0.093 | 0.104 | 0.125 | 0.144 | 0.176 | – | – | – | – | – |
| 9.52 | 0.112 | 0.134 | 0.154 | 0.174 | 0.213 | 0.249 | 0.317 | – | – | – | – | – |
| 10 | 0.119 | 0.141 | 0.163 | 0.184 | 0.225 | 0.264 | 0.336 | – | – | – | – | – |
| 12.7 | 0.153 | 0.182 | 0.21 | 0.238 | 0.293 | 0.345 | 0.444 | – | – | – | – | – |
| 14 | 0.169 | 0.201 | 0.233 | 0.264 | 0.325 | 0.384 | 0.496 | – | – | – | – | – |
| 15.87 | 0.192 | 0.229 | 0.266 | 0.301 | 0.372 | 0.44 | 0.571 | 0.694 | – | – | – | – |
| 19 | 0.231 | 0.276 | 0.32 | 0.364 | 0.45 | 0.534 | 0.696 | 0.85 | 1.066 | 1.2 | 1.264 | – |
| 25 | 0.306 | 0.366 | 0.425 | 0.484 | 0.6 | 0.714 | 0.936 | 1.15 | 1.456 | 1.65 | 1.744 | 1.926 |
| 25.4 | 0.311 | 0.372 | 0.432 | 0.492 | 0.61 | 0.726 | 0.952 | 1.17 | 1.482 | 1.68 | 1.776 | 1.962 |
| 31.8 | – | – | – | – | – | 0.918 | 1.208 | 1.49 | 1.898 | 2.16 | 2.288 | 2.538 |
| 38 | – | – | – | – | – | 1.104 | 1.456 | 1.8 | 2.301 | 2.625 | 2.784 | 3.096 |
| 44.5 | – | – | – | – | – | 1.299 | 1.716 | 2.125 | 2.724 | 3.113 | 3.304 | 3.681 |
| 50.8 | – | – | – | – | – | 1.488 | 1.968 | 2.44 | 3.133 | 3.585 | 3.808 | 4.248 |
| 63.5 | – | – | – | – | – | – | 2.476 | 3.075 | 3.959 | 4.538 | 4.824 | 5.391 |
| 76.1 | – | – | – | – | – | – | 2.98 | 3.705 | 4.778 | 5.483 | 5.832 | 6.525 |
| 101.6 | – | – | – | – | – | – | 4 | 4.98 | 6 | 7 | 7,872 | 8.82 |
| Material | ASTM | Equivalent Standard | |||
|---|---|---|---|---|---|
| UNS | Grads (TP) | Din (EN) | Afnor (NF) | JIS | |
| Austenitic | S30400 | 304 | 1.4301 | Z 6 CN 18.09 | SUS 304 |
| S30403 | 304L | 1.4306 | Z 2 CN 18.10 | SUS 304L | |
| S31600 | 316 | 1.4401 | Z 6 CND 17.11 | SUS 316 | |
| S31603 | 316L | 1.4404 | Z 2 CND 17.12 | SUS 316L | |
| S31635 | 316Ti | 1.4571 | Z 2 CND 17.12 | – | |
| S32100 | 321 | 1.4541 | Z 6 CNT 18.10 | SUS 321 | |
| S34700 | 347 | 1.455 | Z 6 CNNb 18.10 | SUS 347 | |
| S30409 | 304H | 1.4948 | Z 6 CN 19.10 | SUS 304H | |
| S31609 | 316H | 1.4919 | Z 10 CND 18.10 | SUS 316H | |
| S32109 | 321H | 1.4941 | Z 10 CND 18.10 | SUS 321H | |
| Ferritic | S40500 | 405 | 1.4002 | Z 6 CAL 13 | SUS 405 |
| S41000 | 410 | 1.4002 | Z 12 C 13 | SUS 410 | |
| S43000 | 430 | 1.4016 | Z 10 C 17 | SUS 430 | |
| Duplex | S31803 | – | 1.4462 | Z 2 CND 22.06 | – |
| S32750 | 2507 | 1.4410 | Z 5 CND 20.12 | – | |
| S32760 | – | 1.4501 | – | – | |
