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Stainless Steel 304L Capillary Coil Tube , Small Diameter Bright Annealed Tubing
A coiled capillary tubing operation is normally performed through the drilling derrick on
the oil platform, which is used to support the surface equipment,
although on platforms with no drilling facilities a self-supporting
tower can be used instead. The major application of capillary
tubing is in the instrument and controls field, where it's used to
transmit pressure changes over great distances by means of gases or
liquids. For coiled tubing operations on sub-sea wells a mobile
offshore drilling unit (MODU) e.g. semi-submersible, drillship etc.
has to be utilized to support all the surface equipment and
personnel, whereas wireline can be carried out from a smaller and
cheaper intervention vessel. Onshore, they can be run using smaller
service rigs, and for light operations a mobile self-contained
coiled tubing rig can be used.
YUHONG GROUP can custom design all our products in different shapes and sizes
as per customer requirements. If there are any questions about our
products or want to get a quote on them, please feel free to
contact us for more information.
Stainless Steel Capillary Tube Equivalent Grades
| GRADE | UNS NO | DIN/WERKSTOFF |
| Stainless Steel Capillary Tube 304 | S30400 | 1.4301 |
| Stainless Steel Capillary Tube 304L | S30403 | 1.4306 |
| Stainless Steel Capillary Tube 316 | S31600 | 1.4436 |
| Stainless Steel Capillary Tube 316L | S31603 | 1.4404 |
Stainless Steel Capillary Tube Chemical Composition
| Chemical Composition | |||||||
| GRADE | C ≤ | Si ≤ | Mn ≤ | P ≤ | S ≤ | Ni ≤ | Cr ≤ |
| 304 | 0.07 | 0.75 | 2.00 | 0.045 | 0.03 | 8.00-10.50 | 17.50-19.50 |
| 304L | 0.03 | 0.75 | 2.00 | 0.045 | 0.03 | 8.00-12.00 | 17.50-19.50 |
| 310S | 0.08 | 1.50 | 2.00 | 0.045 | 0.03 | 19.00-22.00 | 24.00-26.00 |
| 316 | 0.08 | 0.75 | 2.00 | 0.045 | 0.03 | 10.00-14.00 | 16.00-18.00 |
| 316L | 0.03 | 0.75 | 2.00 | 0.045 | 0.03 | 10.00-14.00 | 16.00-18.00 |
| 321 | 0.08 | 0.75 | 2.00 | 0.045 | 0.03 | 9.00-12.00 | 17.00-19.00 |
In the oil and gas industries, coiled tubing refers to a very long metal pipe, normally 1 to 3.25 in (25 to 83 mm) in diameter which is supplied spooled on a large reel. It is used for interventions in oil and gas wells and sometimes as production tubing in depleted gas wells. Coiled tubing is often used to carry out operations similar to
wirelining. The main benefits over wireline are the ability to pump
chemicals through the coil and the ability to push it into the hole
rather than relying on gravity.
Surface Conditions for Stainless Steel 304/304L Capillary Pipe/Tubes
Stainless steel 304/304L Bright Annealed capillary pipes and tubes
Stainless steel 304/304L Polished capillary pipes and tubes
Stainless steel 304/304L Annealed & Pickled capillary pipes and tubes
Stainless steel 304/304L Bright Annealed & polished capillary pipes and tubes
Stainless steel 304/304L Electro polishing capillary pipes and tubes
Applications
A capillary tube is found in wide variety of refrigerators, water
coolers, air conditioners and deep freezers. This component
connects the condenser to the evaporator, and its length determines
the amount of refrigerant at a specific pressure. Sometimes, issues
can pop up that prevent cooling from happening. the capillary tube
can be blocked or restricted by solid residues affecting the
performance of the refrigerator.
High precision capillary tube is used in many Instrumentation
systems which include the use of:
1. HPLC tubing
2. UPLC tubing
3. Coriolis tubing
4. Remote seal pressure transmitter tubing
5. Sheath tubing
6. Hydraulic tubing
7. Medical Equipments/Services
8. Industrial Components
