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Dear customers, I am honored to introduce our hot-selling stainless steel Downhole Chemical Injection Tubing to you. Because of the best quality and best price , We become a leader in stainless steel capillary tubes’ field. Our capillary pipes are supplied to all around the world. The mechanical properties and chemical composition of our capillaries are in full compliance with the standard ASTM A269, and the pipes can accept SSC and HIC tests, hydraulic tests and PMI tests. We can provide various test related certificates . We specialize in the supply of high quality Seamless Capillary Tubing in stainless steel 316 and 304 grades which are highly resistant to corrosion. 316 SS Capillary Tubing is the preferred choice for most applications due to greater corrosion resistance and precision. We ensure the highest surface quality in all of our SS Capillary Tubing. We offered 304l stainless steel capillary tubing Tubes are polished, cleaned, passivated and are ready for immediate use. We are also well known 316 SS Capillary Tubing Tube Manufacturer in China. Buy SS Capillary tubing at best price in China from us as compared to the market price.Sincerely look forward to cooperating with you.
Yield strength: ≥40,000 psi
Tensile strength: ≥70,000 psi
Maximum Hardness: 200HV
OD：0.125”-0.625”
Wall Thk : 0.025”-0.065”
Length:Max. 15000M/PCS
Material:
American Standard Material: TP304 TP304L TP304H TP321 TP321H TP316L TP316SS
TP316Ti TP347 TP347H TP317L TP309S TP310S 904L
Russian standard Material: 08X18H10 03X18H11 10X17H13M2T 03X17H13M2
12X18H10T 08X18H10T 08X18H12B
German standard material: 1.4301 1.4306 1.4541 1.4404 1.4571 1.4550
Japanese standard material: SUS304 SUS304L SUS321 SUS316L
SUS316Ti SUS347 SUS800 SUS840
Double-Grade Material: 304/304L 316/316L 321/321H 347/347H
Super duplex steel: 2205 2304 S31803 S32750
Inconel 600,Inconel 601,Inconel 625,Inconel 725,Incoloy 800,Incoloy 800H,Incoloy 800HT,
Incoloy 825,Incoloy 901,Incoloy 925Incoloy 926 Etc.
Stainless Steel Capillary Tubing | ||||
ITEM | Grade | Size | Length | Pressure (Mpa) |
1 | 316L 304L 304 625 825 2205 2507 | 1/8″×0.025″ | 3200 | 80 |
2 | 316L 304L 304 625 825 2205 2507 | 1/8″×0.035″ | 3200 | 100 |
3 | 316L 304L 304 625 825 2205 2507 | 1/4″×0.035″ | 2000 | 100 |
4 | 316L 304L 304 625 825 2205 2507 | 1/4″×0.049″ | 2000 | 100 |
5 | 316L 304L 304 625 825 2205 2507 | 3/8″×0.035″ | 1500 | 80 |
6 | 316L 304L 304 625 825 2205 2507 | 3/8″×0.049″ | 1500 | 100 |
7 | 316L 304L 304 625 825 2205 2507 | 1/2″×0.049″ | 1000 | 80 |
8 | 316L 304L 304 625 825 2205 2507 | 1/2″×0.065″ | 1000 | 100 |
9 | 316L 304L 304 625 825 2205 2507 | φ3mm×0.7mm | 3200 | 80 |
10 | 316L 304L 304 625 825 2205 2507 | φ3mm×0.9mm | 3200 | 100 |
11 | 316L 304L 304 625 825 2205 2507 | φ4mm×0.9mm | 3000 | 100 |
12 | 316L 304L 304 625 825 2205 2507 | φ4mm×1.1mm | 3000 | 100 |
13 | 316L 304L 304 625 825 2205 2507 | φ6mm×0.9mm | 2000 | 100 |
14 | 316L 304L 304 625 825 2205 2507 | φ6mm×1.1mm | 2000 | 100 |
15 | 316L 304L 304 625 825 2205 2507 | φ8mm×1mm | 1800 | 80 |
16 | 316L 304L 304 625 825 2205 2507 | φ8mm×1.2mm | 1800 | 100 |
17 | 316L 304L 304 625 825 2205 2507 | φ10mm×1mm | 1500 | 70 |
18 | 316L 304L 304 625 825 2205 2507 | φ10mm×1.2mm | 1500 | 70 |
19 | 316L 304L 304 625 825 2205 2507 | φ10mm×2mm | 500 | 100 |
20 | 316L 304L 304 625 825 2205 2507 | φ12mm×1.5mm | 500 | 80 |
| Thickness | 0.1 to 3mm, |
| Brand | Imported |
| Material Grade | 304,304L,316,316L,321,316Ti,Duplex 2205,Monel400,Inconel 625,Inconel 825 |
| Diameter | 1.5 to 15 mm OD, expecially 1/4inch, 3/8 inch used largely. Stock size: 6.35mm*1.24mm ,8*0.5mm ,8*0.6mm,8*0.8mm, 8*0.9mm,8*1mm, 9.53*1.24mm,10*1mm,ect.. |
| Shape | Round |
| Unit Pipe Length | we can produce at least 8000feet-10,000 feet per Length, Also the Length can be customised by clients, |
| Range | All sizes and length available |
| Size | As per the requirment |
| Surface | Bright annealed, Polished |
| Pipe Fluid | Chemical, Water, Gas |
| Minimum Order Quantity | 50 Feet |
The below table shows the chemical composition of the used for Stainless Steel Capillary Tube:
| STAINLESS STEEL CAPILLARY TUBE GRADES | UNS | C | Mn | P | S | Si | Cr | Ni | Mo | Ti | Nb | N |
| TP304 | S30400 | 0.08 | 2 | 0.045 | 0.03 | 1 | 18.0-20.0 | 8.0-11.0 | ||||
| TP304L | S30403 | 0.035 | 2 | 0.045 | 0.03 | 1 | 18.0-20.0 | 8.0-13.0 | ||||
| TP316 | S3160 | 0.08 | 2 | 0.045 | 0.03 | 1 | 16.0-18.0 | 11.0-14.0 | 2.0-3.0 | |||
| TP316L | S31603 | 0.035 | 2 | 0.045 | 0.03 | 1 | 16.0-18.0 | 10.0-14.0 | 2.0-3.0 |
STAINLESS STEEL CAPILLARY TUBING MECHANICAL PROPERTIES
| Material | Heat | Temperure | Tensile Strength | Yield Strength | Elongation %, Min |
| Treatment | Min. | Ksi (MPa), Min. | Ksi (MPa), Min. | ||
| º F(º C) | |||||
| TP304 | Solution | 1900 (1040) | 75(515) | 30(205) | 35 |
| TP304L | Solution | 1900 (1040) | 70(485) | 25(170) | 35 |
| TP316 | Solution | 1900(1040) | 75(515) | 30(205) | 35 |
| TP316L | Solution | 1900(1040) | 70(485) | 25(170) | 35 |
STAINLESS STEEL CAPILLARY TUBING 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 |
SS CAPILLARY TUBE PRESSURE RATING
| OD(INCH) | WALLTHICKNESS(INCH) | MIN TENSILE STRENGTH (PSI) | THEORETICAL BURST PRESSURE * (PSI) | WORKING PRESSURE (PSI) 25% OF BURST | THEORETICAL YIELD POINT ** (PSI) | COLLAPSE PRESSURE *** (PSI) | |
| 0.250 | 0.020 | 30,000 | 75,000 | 14,286 | 3,571 | 5,714 | 4,416 |
| 0.250 | 0.028 | 30,000 | 75,000 | 21,649 | 5,412 | 8,660 | 5,967 |
| 0.250 | 0.035 | 30,000 | 75,000 | 29,167 | 7,292 | 11,667 | 7,224 |
| 0.250 | 0.049 | 30,000 | 75,000 | 48,355 | 12,089 | 19,342 | 9,455 |
| 0.250 | 0.065 | 30,000 | 75,000 | 81,250 | 20,313 | 32,500 | 11,544 |
| 0.375 | 0.020 | 30,000 | 75,000 | 8,955 | 2,239 | 3,582 | 3,029 |
| 0.375 | 0.028 | 30,000 | 75,000 | 13,166 | 3,292 | 5,266 | 4,145 |
| 0.375 | 0.035 | 30,000 | 75,000 | 17,213 | 4,303 | 6,885 | 5,077 |
| 0.375 | 0.049 | 30,000 | 75,000 | 26,534 | 6,634 | 10,614 | 6,816 |
| 0.375 | 0.065 | 30,000 | 75,000 | 39,796 | 9,949 | 15,918 | 8,597 |
| 0.500 | 0.020 | 30,000 | 75,000 | 6,522 | 1,630 | 2,609 | 2,304 |
| 0.500 | 0.028 | 30,000 | 75,000 | 9,459 | 2,365 | 3,784 | 3,172 |
| 0.500 | 0.035 | 30,000 | 75,000 | 12,209 | 3,052 | 4,884 | 3,906 |
| 0.500 | 0.049 | 30,000 | 75,000 | 18,284 | 4,571 | 7,313 | 5,304 |
| 0.500 | 0.065 | 30,000 | 75,000 | 26,351 | 6,588 | 10,541 | 6,786 |
| 0.500 | 0.083 | 30,000 | 75,000 | 37,275 | 9,319 | 14,910 | 8,307 |
| 0.625 | 0.020 | 30,000 | 75,000 | 5,128 | 1,282 | 2,051 | 1,859 |
| 0.625 | 0.028 | 30,000 | 75,000 | 7,381 | 1,845 | 2,953 | 2,568 |
| 0.625 | 0.035 | 30,000 | 75,000 | 9,459 | 2,365 | 3,784 | 3,172 |
| 0.625 | 0.049 | 30,000 | 75,000 | 13,947 | 3,487 | 5,579 | 4,335 |
| 0.625 | 0.065 | 30,000 | 75,000 | 19,697 | 4,924 | 7,879 | 5,591 |
| 0.625 | 0.083 | 30,000 | 75,000 | 27,124 | 6,781 | 10,850 | 6,910 |
| 0.625 | 0.095 | 30,000 | 75,000 | 32,759 | 8,190 | 13,103 | 7,734 |
| 0.625 | 0.109 | 30,000 | 75,000 | 40,172 | 10,043 | 16,069 | 8,639 |
| 0.750 | 0.028 | 30,000 | 75,000 | 6,052 | 1,513 | 2,421 | 2,156 |
| 0.750 | 0.035 | 30,000 | 75,000 | 7,721 | 1,930 | 3,088 | 2,669 |
| 0.750 | 0.049 | 30,000 | 75,000 | 11,273 | 2,818 | 4,509 | 3,664 |
| 0.750 | 0.065 | 30,000 | 75,000 | 15,726 | 3,931 | 6,290 | 4,749 |
| 0.750 | 0.083 | 30,000 | 75,000 | 21,318 | 5,330 | 8,527 | 5,905 |
| 0.750 | 0.095 | 30,000 | 75,000 | 25,446 | 6,362 | 10,179 | 6,637 |
| 0.750 | 0.109 | 30,000 | 75,000 | 30,733 | 7,683 | 12,293 | 7,453 |
| 0.750 | 0.120 | 30,000 | 75,000 | 35,294 | 8,824 | 14,118 | 8,064 |
| 0.875 | 0.020 | 30,000 | 75,000 | 3,593 | 898 | 1,437 | 1,340 |
| 0.875 | 0.028 | 30,000 | 75,000 | 5,128 | 1,282 | 2,051 | 1,859 |
| 0.875 | 0.035 | 30,000 | 75,000 | 6,522 | 1,630 | 2,609 | 2,304 |
| 0.049 | 30,000 | 75,000 | 9,459 | 2,365 | 3,784 | 3,172 | |
| 0.875 | 0.065 | 30,000 | 75,000 | 13,087 | 3,272 | 5,235 | 4,126 |
| 0.875 | 0.083 | 30,000 | 75,000 | 17,560 | 4,390 | 7,024 | 5,152 |
| 0.875 | 0.095 | 30,000 | 75,000 | 20,803 | 5,201 | 8,321 | 5,807 |
| 0.875 | 0.109 | 30,000 | 75,000 | 24,886 | 6,221 | 9,954 | 6,543 |
| 0.875 | 0.120 | 30,000 | 75,000 | 28,346 | 7,087 | 11,339 | 7,100 |
| 1.000 | 0.028 | 30,000 | 75,000 | 4,449 | 1,112 | 1,780 | 1,633 |
| 1.000 | 0.035 | 30,000 | 75,000 | 5,645 | 1,411 | 2,258 | 2,027 |
| 1.000 | 0.049 | 30,000 | 75,000 | 8,149 | 2,037 | 3,259 | 2,796 |
| 1.000 | 0.065 | 30,000 | 75,000 | 11,207 | 2,802 | 4,483 | 3,647 |
| 1.000 | 0.083 | 30,000 | 75,000 | 14,928 | 3,732 | 5,971 | 4,567 |
| 1.000 | 0.095 | 30,000 | 75,000 | 17,593 | 4,398 | 7,037 | 5,159 |
| 1.000 | 0.109 | 30,000 | 75,000 | 20,908 | 5,227 | 8,363 | 5,827 |
| 1.000 | 0.120 | 30,000 | 75,000 | 23,684 | 5,921 | 9,474 | 6,336 |
| 1.000 | 0.134 | 30,000 | 75,000 | 27,459 | 6,865 | 10,984 | 6,963 |
| 1.250 | 0.035 | 30,000 | 75,000 | 4,449 | 1,112 | 1,780 | 1,633 |
| 1.250 | 0.049 | 30,000 | 75,000 | 6,380 | 1,595 | 2,552 | 2,260 |
The quality of our products for the control line in oil and gas sector is assured not just during the controlled manufacturing process but also by way of finished product testing. Typical tests include:
Non-destructive tests
Hydrostatic tests
Surface finish controls
Dimensional accuracy measurements
Flare and coning tests
Mechanical and chemical property testing
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Production standard:
China Standard : GB/T14975/14976/13296
American Standard: ASTM A269/A312/A213/A511/A789/A790
Japanese standard: JISG3459/3463
German standard: DIN17456/17458
European standard: EN10216-5
The range of applications: petroleum, chemical, pharmaceutical, food, machinery, aerospace, construction, military, hardware,gas boilers, plumbing devices, ships, power plants and other industr
For example:
1)Medical Acupuncture with Capillary Tubing,
2)High-pressure instrumentation with Capillary Tubing,
3)Coal exploration with a stainless steel capillary pipe coil
4)Thermostat with Capillary Tube
5)Beer machine with stainless steel Capillary Tube
6)Drinking water equipment with stainless steel Capillary Tubing
7)Danfoss expansion valve with stainless steel Capillary Tube
5. Specifications: 1. Outer diameter :0.3mm-10mm Tolerance:0.005mm-0.01mm
2. Wall thickness :0.08mm-2.0mm Tolerance :0.01mm-0.02mm
3. Single length :10mm-10,000mm
4. HV:150HV-450HV
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