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| Customization: | Available |
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| Type: | Welded |
| Technique: | Cold Rolled |
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| Grade: 304 409/409L, 436/436L, 421, 441, etc | Thickness: 0.6-2.0mm |
| OD: 19-133mm | Length: Customized,18m max |
| Tolerence: OD ±0.1mm ;Thickness ± 10%; Length +5mm | Inspection: Underwater airtightness test, Online eddy current testing |
| Processing: Various hole tubes can be processed according to customer drawing requirements | Production Process: can be customized according to customer requirements, including shrinking and expanding processing |

Stainless Steel Spring Coil Tube Stainless Steel Bamboo Joint Tube Stainless Steel Bellows
Stainless Steel U-Shape Tube Stainless Steel Threaded Tube Stainless Steel Corrugated Tube
Stainless Steel Spring Coil Tube
| Grade: 304/304L 316/316L 321 | Thickness: 0.6-2.0mm |
| OD: 8, 10, 12, 14, 16, 17, 19, 20, 22, 24, 25, 29, 31.8, 38mm | Length: Customized |
| Tolerence: OD ±0.1mm ;Thickness ± 10%; Length +5mm | Inspection: Underwater airtightness test, Online eddy current testing |
| Grade: 304/304L 316/316L 321 | Thickness: 0.6-2.0mm |
| OD:10, 12, 14, 16, 17, 19, 20, 22, 24, 25, 29, 32, 35, 38, 40, 42,50mm | Length: Customized,18m max |
| Tolerence: OD ±0.1mm ;Thickness ± 10%; Length +5mm | Inspection: Underwater airtightness test, Online eddy current testing |
| Technical Requirements: Thread depth, thread spacing, and end straight pipe length can be adjusted according to customer requirements | Production Process: Online Bright Solid Solution Annealing Treatment, Online Eddy Current Testing, Underwater Airtightness Test for Each Tube |
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ASTM A554 Material Grades: 201/ 202 / 304 /304L / 316 / 316L / 409L / 430 / 439 Surface Finish: Pickled, Polish Advantages: The unique structure of twisted tube can form Swirl flow in tube side and shell side at the same time thus enhancing turbulent intensity. The heat transfer coefficient for the Twisted Tube Exchanger is 40% higher for the same pressure drop as compared to conventional heat exchanger. |
| Grade: 304/304L 316/316L 321 | Thickness: 0.6-2.0mm |
| OD: 14, 16, 17, 19, 20, 22, 24, 25, 29, 32, 35, 38mm | Length: Customized,18m max |
| Tolerence: OD ±0.1mm ;Thickness ± 10%; Length +5mm | Inspection: Underwater airtightness test, Online eddy current testing |
| Processing shapes: U-shaped, serpentine, jacket, welding head and other corrugated tubes can be processed according to customer drawings | Production Process: Online Bright Solid Solution Annealing Treatment, Online Eddy Current Testing, Underwater Airtightness Test for Each Tube |
internal welding seam after 30% flaring
Heat Exchanger Tubings Roller Drum Pipes Condenser Tubings