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Enhanced Heat Transfer Tube , ASTM A213 TP304L , Corrugated Tube for Heat Exchanger
Corrugated tubes are tubes that have a series of parallel ridges and grooves on their outer surface. These ridges and grooves provide additional strength and flexibility to the tube, making it suitable for applications where high-pressure and high-temperature conditions are present.
The use of corrugated tubes in high-temperature and high-pressure systems helps to improve the overall performance and reliability of the system. The corrugations in the tube help to increase the surface area, which in turn enhances heat transfer efficiency. This is particularly important in applications such as boilers and heat exchangers, where efficient heat transfer is crucial for optimal system performance.
ASTM A213 S30403 corrugated tubes are made from stainless steel grade S30403, which is a low-carbon variation of the popular grade 304 stainless steel. This low-carbon variation offers improved resistance to intergranular corrosion, making it suitable for high-temperature applications.
Specifications:
STANDARD | UNS | WERKSTOFF NR. | AFNOR | EN | JIS | BS |
SS 304L | S30403 | 1.4306/1.4307 | Z3CN18‐10 | X5CrNi18-10 | SUS 304L | 304S11 |
Chemical Composition:
Grade | P | Ni | Si | N | C | |
304L | min. | - | 8 | - | - | - |
max. | 0.045 | 10.5 | 0.75 | 0.1 | 0.08 |
Mechanical properties:
Grade | Tensile Strength (MPa) min | Elongation (% in 50mm) min | Yield Strength 0.2% Proof (MPa) min | Hardness | |
304L | 485 | 40 | 170 | Rockwell B (HR B) max | Brinell (HB) max |
92 | 201 |
The production process of corrugated tubes involves several steps:
1. Material selection:
2. Extrusion:
3. Corrugation:
4. Cooling and cutting:
5. Finishing:
6. Quality control:
7. Packaging and distribution:
The production process of corrugated tubes involves material selection, extrusion, corrugation, cooling and cutting, finishing, quality control, and packaging. This process ensures that the tubes are manufactured to the required specifications and are ready for use in various applications, such as electrical wiring, plumbing, automotive, and industrial systems.
Applications:
1. Plumbing and drainage systems
2. Electrical conduit
3. Automotive industry
4. HVAC systems
5. Medical and pharmaceutical industry
6. Agriculture
7. Packaging industry
8. Industrial machinery
9. Telecommunications