Victor Steel
Victor Steel
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Capillary Tube also known as ultra-thin tube or medical tubing. These Stainless Steel Capillary Tube and Hypodermic Tubing are produced between 0.1 – 8 mm which can sustain in high temperature and corrosive environments. Precision Stainless Steel Tubing are used in various applications such as Medical and Pharmaceutical, Aerospace, Chemical Processing, and Instrumentation.
Stainless Steel Hypodermic Tubing comes in all gauges including Thin Wall (TW) and Regular Wall (RW). Welded and drawn Stainless Steel Hypodermic Tubing are known for tight OD and ID tolerances as per ASTM A908 standard. Capillary Tubing standard sizes are 3 to 33 gauge. These SS Capillary Tube can be manufactured in various grades such as T201, T304, T304L, T316, T316L, T410, T465, and 17-7. Among them 316 and 304 Stainless Steel Capillary Tube are the most selling grades.
Manufacturers of Capillary Tube prefer cold drawing methods to ensure high dimensional accuracy and smooth surface. SS 304 Capillary Tubing can be bent without cracking for Medical Devices. Victor Steel is a leading Stainless Steel Capillary Tube Manufacturer in India, specializes in producing high-quality 304 and 316 micro tube suitable for chemical injection and HPLC systems.

Stainless Steel Capillary Tube Specification
Outside Diameter: 0.3-12.0 mm
Wall Thickness: 0.08-0.2 mm
Delivery Condition: Bright Annealed, Polished, Pickled, Electrolytic Polished
Quote within 24Hrs with Technical Data Sheet
Material: SS 304, SS 304L, SS 316, SS 316L
100% Tested Stainless Steel Capillary Tube supply with MTC EN 10204/3.1
Who they are?
Stainless Steel Capillary Tube Manufacturer In India
304 Stainless Steel Capillary Tube supplier in Mumbai
Precision Stainless Steel Tubing Stockist in India
Exporter of Stainless Steel 316 Capillary Tube in India
304 Stainless Steel Capillary Tube supplier in Mumbai
Victor Steel is specialized in manufacturing SS 304 Capillary Tube also known as precision tube. These tubing are produced in seamless and welded form through redrawn, die, and annealed process.
SS Capillary Tube Size Chart
| Gauge | OD Tolerance | Extra Thin Wall | Thin Wall | Regular Wall | Ultra Thin Wall |
|---|---|---|---|---|---|
| mm | XTW mm | TW mm | RW mm | UTW mm | |
| 20 | 0.901 – 0.914 | – | 0.108 – 0.134 | 0.108 – 0.165 | – |
| 19 | 1.054 – 1.079 | 0.070 – 0.108 | 0.102 – 0.140 | 0.166 – 0.216 | – |
| 23 | 0.635 – 0.647 | – | 0.089 – 0.114 | 0.140 – 0.165 | 0.051 – 0.102 |
| 22 | 0.711 – 0.723 | 0.077 – 0.102 | 0.096 – 0.121 | 0.140 – 0.165 | 0.051 – 0.102 |
| 29 | o.330 – 0.342 | – | – | 0.064 – 0.089 | – |
| 24 | 0.558 – 0.571 | – | 0.089 – 0.114 | 0.114 – 0.140 | 0.051 – 0.102 |
| 21 | 0.812 – 0.825 | – | 0.102 – 0.127 | 0.140 – 0.165 | 0.051 – 0.102 |
| 28 | 0.355 – 0.368 | – | – | 0.076 – 0.102 | – |
| 27 | 0.406 – 0.419 | – | 0.064 – 0.089 | 0.089 – 0.115 | – |
| 18 | 1.257 – 1.282 | 0.083 – 0.121 | 0.127 – 0.165 | 0.191 – 0.241 | 0.051 – 0.102 |
| 17 | 1.460 – 1.485 | 0.083 – 0.127 | 0.115 – 0.152 | 0.177 – 0.229 | 0.057 – 0.102 |
| 30 | 0.304 – 0.317 | – | – | 0.064 – 0.089 | – |
| 16 | 1.638 – 1.663 | 0.096 – 0.133 | 0.127 – 0.165 | 0.204 – 0.254 | 0.070 – 0.121 |
| 15 | 1.816 – 1.841 | 0.096 – 0.134 | 0.127 – 0.165 | 0.204 – 0.254 | 0.070 – 0.121 |
| 14 | 2.082 – 2.133 | 0.114 – 0.165 | 0.165 – 0.229 | 0.216 – 0.292 | 0.076 – 0.134 |
| 26 | 0.457 – 0.469 | – | – | 0.089 – 0.114 | – |
| 25 | 0.508 – 0.520 | – | 0.089 – 0.114 | 0.115 – 0.140 | – |
Marking on a SS Capillary Tubing

Tolerance of High Precision SS Capillary Tube
| Size OD | Nominal WT | Length Tolerance | OD Tolerance | WT Tolerance | ||||
|---|---|---|---|---|---|---|---|---|
| in | mm | in | mm | in | mm | in | mm | % |
| ½ | 12.7 | 0.065 | 1.65 | +⅛, -0 | +3.18, -0 | +/-0.005 | +/-0.13 | +/-10.0% |
| 1 | 25.4 | |||||||
| 4 | 101.6 | 0.083 | 2.11 | +/-0.015 | +/-0.38 | |||
| 2 | 50.8 | 0.065 | 1.65 | +/-0.008 | +/-0.20 | |||
| 1½ | 38.1 | |||||||
| 3 | 76.2 | +/-0.010 | +/-0.25 | |||||
| 2½ | 63.5 | |||||||
| ¾ | 19.1 | +/-0.005 | +/-0.13 | |||||
| 6 | 152.4 | 0.109 | 2.77 | +1, -0 | +25.4, -0 | +/-0.030 | +/-0.76 | |
Mechanical Properties of Stainless Steel Capillary Tube
| Material | Temperure | Tensile Strength | Yield Strength | Elongation |
|---|---|---|---|---|
| Min. º F(º C) | Ksi (MPa), Min. | Ksi (MPa), Min. | %, Min | |
| TP 304 | 1900 (1040) | 75(515) | 30(205) | 35 |
| TP 304L | 70(485) | 25(170) | ||
| TP 316 | 75(515) | 30(205) | ||
| TP 316L | 70(485) | 25(170) |
Applications of Precision Stainless Steel Tubing
- Medical Devices
- HPLC
- UHPLC
- Chemical injection
- Aerospace
- Instrumentation
- Automotive Industry
- Food and Beverage Industry
- Pharmaceuticals
- Oil and Gas
- Hydraulic Systems
- Research and Development
Difference Between Hypodermic, Metric, And Fractional Stainless Steel Capillary Tube
Victor Steel Corporation offer Stainless Steel Capillary Tube in a range of sizes. Understand the difference between sizes of Hypodermic, Metric, And Fractional tubing
| Hypodermic Tube | Metric Tube | Fractional Tube | |
|---|---|---|---|
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Testing name to ensure Tolerance and Size Accuracy

Limits and effects of Partial Pressures of H2S and CO2 on Stainless Steel Capillary Tubing
| Parameter | H₂S Partial Pressure (bar) | CO₂ Partial Pressure (bar) | Effect on Tubing |
|---|---|---|---|
| Low | ≤ 0.1 | ≤ 0.1 | Minimal corrosion risk. |
| Moderate | 0.1 – 0.5 | 0.1 – 0.5 | Increased risk of stress corrosion cracking (SCC). |
| High | 0.5 – 1.0 | 0.5 – 1.0 | Significant risk of SCC and pitting. |
| Very High | ≥ 1.0 | ≥ 1.0 | Severe corrosion damage; risk of failure. |
Stainless Steel Capillary Tubing Price in India
SS Capillary Tube manufacturer in India offer lowest price for all sizes and custom surface finish.
| Gauge | Nominal | Outside Diameter | Inner Diameter | Alloy | Nominal | Length | Price in USD | |||
|---|---|---|---|---|---|---|---|---|---|---|
| Wall | ID | Min | Max | Min | Max | OD | ||||
| 4RW | 0.02 | 0.198 | 0.236 | 0.24 | 0.195 | 0.201 | 304 | 0.238 | 1 FT | US $ 17.25 |
| 5 FT | US $ 68.12 | |||||||||
| 4TW | 0.015 | 0.208 | 0.24 | 0.206 | 0.21 | 1 FT | US $ 15.25 | |||
| 5 FT | US $ 63.75 | |||||||||
| 4X | 0.01 | 0.218 | 0.216 | 0.22 | 1 FT | US $ 12.96 | ||||
| 5 FT | US $ 53.87 | |||||||||
| 3RW | 0.02 | 0.219 | 0.257 | 0.261 | 0.216 | 0.222 | 0.259 | 1 FT | US $ 15.65 | |
| 5 FT | US $ 60.59 | |||||||||
| 3TW | 0.015 | 0.229 | 0.227 | 0.231 | 1 FT | US $ 17.55 | ||||
| 5 FT | US $ 65.48 | |||||||||
| 3X | 0.01 | 0.239 | 0.237 | 0.241 | 1 FT | US $ 15.45 | ||||
| 5 FT | US $ 61.78 | |||||||||
| 5RW | 0.015 | 0.189 | 0.217 | 0.221 | 0.186 | 0.192 | 0.219 | 1 FT | US $ 16.65 | |
| 5 FT | US $ 62.37 | |||||||||
| 5X | 0.007 | 0.205 | 0.203 | 0.207 | 1 FT | US $ 20.76 | ||||
| 5 FT | US $ 78.25 | |||||||||
Things to consider while buying SS Capillary Tube

Chemcial Composition of SS Capillary Tube
| Grades | Ni | C | Mn | Mo | S | Si | P | Cr |
|---|---|---|---|---|---|---|---|---|
| SS 304 | 8.0-11.0 | 0.08 | 2 | – | 0.03 | 1 | 0.045 | 18.0-20.0 |
| SS 304L | 8.0-13.0 | 0.035 | – | |||||
| SS 316 | 11.0-14.0 | 0.08 | 2.0-3.0 | 16.0-18.0 | ||||
| SS 316L | 10.0-14.0 | 0.035 |
ASTM Standard of Stainless Steel Capillary Tube
| Standard | Common Manufacturing Grades |
|---|---|
| ASTM A269 |
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| ASTM A213 |
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| ASTM A632 | |
| ASTM A908 |
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Advantages of using Stainless Steel Capillary Tubing in HPLC
- High Corrosion Resistance
- Tight dimensional tolerances
- Precision and Accuracy
- Excellent mechanical strength
- Electropolished or bright annealed surface
- Suitable for High Pressure above 6000 psi
- Suitable for solvents, acids and other Chemicals
- Easy to clean
- Cost-Effective
Welded and drawn Stainless Steel Hypo Tubes for medical and laboratory industry
Welded and drawn hypo tubes are used in medical and laboratory sector due to high tensile and superior resistance. These tubes are used in High-Performance Liquid Chromatography (HPLC) and surgical equipment. Victor is a leading Stainless Steel Hypo Tube supplier in India and offer fast delivery in Middle East countries.
Advantages of using a capillary tube in laboratory
Seamless and welded capillary tube comes in Bright annealed and electropolished finish in various sizes, grades, and wall thickness. Check the advantages of using SS Capillary Tube in laboratory.

Types of Stainless Steel Capillary Tubing
SS Precision Tubing
304 Stainless Steel Needle Tubing
Precision Stainless Steel Micro Tubing
SS 304 Thermocouple Tubing
Stainless Steel 316 Microbore Tubing
Stainless Steel Instrument Tubing
SS 316 Analytical Tubing
Stainless Steel Control Line Tubing
Stainless Steel Hypodermic Tubing

Ultra-thin Capillary Tube
Equivalent Material of SS Capillary Tube
| Material | WNR | UNS NO |
|---|---|---|
| SS 304 | 1.4301 | S30400 |
| SS 304L | 1.4306 | S30403 |
| SS 316 | 1.4436 | S31600 |
| SS 316L | 1.4404 | S31603 |
Strict Tolerances and High Precision SS Capillary Tubes supplier in India
Victor Steel is one of the larges manufacturer of SS Capillary Tube who can produce these material in grade 304, 304L, 316, 316L, 321, 310S, and AISI 904L. These tubes are produced in tighter tolerances for critical industries such as aerospace and instrumentation system.
304/ 316 Precision Stainless Steel Tubing in full-hard temper condition
Manufacturer of Precision Stainless Steel Tube in India offer full-hard temper condition without annealing. SUS 304 & AISI 316 Capillary Tubing comes in Bright annealed or custom finish as per the project requirement. SS 316 Capillary Tube are well suitable for marine & chemical processing industries. The company is exporting SS Capillary Tube in UAE, Saudi Arabia, USA, France, Oman, and Spain for HPLC, UHPLC Chromatography.
Temper Selection of a Stainless Steel Capillary Tube
| Capillary Tube Temper Type | Tensile Strength | Description |
|---|---|---|
| 3/4 Hard | ≈ 140,000 to 160,000 Psi | Heat treated for strength and ductility. |
| Annealed | < 120,000 Psi | Soft and highly formable. |
| Full Hard | ≈ 170,000 Psi | Maximum hardness after cold drawing. |
| Needle Hard | Cold worked condition for needle use. | |
| 1/2 Hard | ≈ 120,000 to 140,000 Psi | Moderate strength and formability. |
Manufacturer of Stainless Steel Hypodermic Tubing in Mumbai, tolerances as per ASTM A908 standard
Victor Steel is the only SS Capillary Tube manufacturers in Mumbai who produce the tubes that has custom shape at one end. They produce SS Hypodermic Tubing in 1/2" or 1/4" or similar metric sizes as required.
Company Profile
| Nature of Business | Manufacturer, Supplier and Exporter |
|---|---|
| Import Export Code (IEC) | 0309047714 |
| Legal Status of firm | Partner |
| GST No. | 27AABFV2696N1ZH |
Contact Info
| Contact Person | Mr. Vikas Shah |
|---|---|
| Phone | +91 9867264038 |
| export@victorsteel.net | |
| Mumbai Head Office | Victor Steel 437 Pathe Bapurao Marg, Somji Building, Opp Islampura Street, Mumbai – 400004, Maharashtra, India |

