Spezilla Tube Co., Ltd. (Shanghai)
Spezilla Tube Co., Ltd. Excellence in Stainless Steel Tubing
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SA213 TP304 Stainless Steel U Bend Pipe ,stainless steel heat exchanger tubes
Stainless Steel U bend Tube for Heat Exchanger
| Grade(UNS): | Austenitic Stainless Steel: 309S (1.4833); 310S(1.4845); 317L(1.4438)321H(1.4878); 347H (1.4550); |
| Outside Diameter: | 15.88,16.0,17.0,18.0,19.05,20.0,21.3,25.4,26.7,31.8,32.0,38.1mm |
| Wall Thickness: | 0.50 - 6mm |
| Standards(Norm): | EN 10216-5; DIN 17456, DIN 17458, DIN 2462, DIN 17455 |
| GB/T14975; T14976; T13296; GB5310; | |
| ASTM A213, A269, A312, A511, A789, A790, A928, A999, A1016, ASTM B161, ASTM B163, ASTM B165, ASTM B167, ASTM B338, ASTM B407, ASTM B423, ASTM B444,ASTM B619, ASTM B622, ASTM B626, ASTM B668, ASTM B677, ASTM B829 | |
| JIS G3459, JIS G3463, JIS G3446, JIS G3447, JIS G3448, JIS G3468 | |
| GOST 9940;GOST 9941; |
SPEZILLA Tube heat exchanger tubes can also be supplied as 'u' bends or serpentines, manufactured according to various heat exchanger standard or to customer's own specifications.
Additional Testing
We are equipped to carry out heat treatment of bends plus a minimum 150mm of leg.
Heat Treatment Equipment
| Standard Dimensions - U-Bent Tube | ||
|---|---|---|
| Outside diameter | 6 -90 mm | ¼”-3 ½” |
| Maximum overall length | 1 - 28 m | 3 - 92 ft |
| Bending Radius Min. | 1,5 × tube diameter | |
| Bending Radius Max. | 1500 mm | 4ft |
| Inspections and Tests - U-Bent Tube |
|---|
| Chemical Composition |
| Mechanical Properties |
| Hydrostatic Test |
| Pneumatic Test |
| Eddy Current Test |
| Dye Penetrant Test |
| Magnetoscopic Test |
| Heat Treatment Conditions |
|---|
| Stress-Relieved Anneal |
| Annealed (Bright Annealing) |
| Materials - U-Bent Tube | |
|---|---|
| Carbon Steel | SA 179 / A 179 |
| Carbon Steel | SA 210 / A 210 |
| Carbon Steel | SA 334 / A 334 |
| Stainless Steel | SA 213 / A 213 |
| SA249 / A249 | |
| SA268 / A268 | |
| SA688 / A688 | |
| Duplex Stainless Steel | SA 789 / A 789 |
| Copper & Cu Alloys | SB 111 / B 111 |
| Titanium & Ti Alloys | SB 338 / B 338 |
| For different materials please contact our sales department. | |
