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Stainless Steel 304 Capillary Tubes Manufacturer & Suppliers in India

A Stainless Steel 304 Capillary Tube is a highly flexible precision tubing that's utilized in areas where precise measurement and transfer of fluid is required and it helps in dealing with corrosions effectively. Made from the highest quality stainless steel grades and we make these in various different dimensions. The uses of Stainless Steel Capillary Tubing SS 304 includes: Medical & Pharmaceutical, Aerospace, Instrumentation, Aerospace, Chemical Industries, and in food industries.

As SS 304 capillary tubes manufacturer we assure of high performance and quality standards for you with long working life & smoothness.

We maintain an array of SS 304 precision tubing's sizes ranging in diameters and wall thicknesses along with different finish types. We are leading Stainless Steel 304 capillary tubes manufacturers, supplier, and exporter that complies with industry standards such as ASTM, ASME, and DIN etc.

What Are Stainless Steel 304 Capillary Tubes?

Stainless Steel 304 Capillary Tubes are a form of narrow diameter stainless steel pipe engineered with close tolerance dimensional specifications and a good internal finish. It is designed specifically for gas piping, fluid handling, instrumentation, and chromatographic applications. Grade 304 stainless steel capillary tubing with nickel content and chrome provide the best possible support and resist to corrosion, oxidation and a diverse array of corrosive elements.

This makes capillary grade 304 tubing well suited for precise industrial application and lab devices.

Demand for buying grade 304 stainless steel capillary tubing grows day by day due to high weldability, good corrosion resistance and high workability.

Table of Content


Key Features of SS 304 Precision Tubing


Excellent Corrosion Resistance

SS 304 capillary tubes provide superior resistance against rust, moisture, chemicals, and atmospheric corrosion.

Precision Dimensional Accuracy

Manufactured with strict tolerances for consistent diameter, wall thickness, and concentricity.

Smooth Internal Surface Finish

The polished internal surface ensures efficient fluid transfer and minimizes contamination risks.

High Strength & Durability

These tubes can withstand high pressure and varying temperatures in industrial systems.

Easy Fabrication & Welding

304 stainless steel offers excellent formability and welding characteristics.

Wide Industrial Compatibility

Suitable for medical devices, HPLC systems, instrumentation, food processing, pharmaceuticals, and chemical applications.

Stainless Steel 304 Capillary Tubes Specifications Chart


Specification Details
Product NameStainless Steel 304 Capillary Tubes
Material GradeSS 304 / 304L
StandardASTM A213, ASTM A269, ASTM A632
Outer Diameter0.30 mm to 31.75 mm
Wall Thickness0.06 mm to 1.65 mm
LengthSingle Random, Double Random, Cut Length
FormRound, Coil, U Shape
Surface FinishAnnealed, Polished, Bright Annealed
Manufacturing TypeSeamless / Welded / ERW
TolerancePrecision Tolerance Available
End FinishPlain End, Beveled End
HardnessSoft, Half Hard, Hard
TestingHydrostatic Test, Eddy Current Test, PMI Test
PackagingWooden Boxes, Bundles, Export Packaging
ApplicationsInstrumentation, Medical, HPLC, Aerospace, Chemical
OriginIndia
Temperature ResistanceHigh Temperature Resistant
Corrosion ResistanceExcellent
Pressure HandlingSuitable for High Pressure Systems

Chemical Composition of Stainless Steel 304 Capillary Tubes


Element Composition (%)
Chromium (Cr)18.0 – 20.0
Nickel (Ni)8.0 – 10.5
Carbon (C)0.08 Max
Manganese (Mn)2.00 Max
Silicon (Si)1.00 Max
Phosphorus (P)0.045 Max
Sulfur (S)0.030 Max
Iron (Fe)Balance

Mechanical Properties of SS 304 Precision Tubing


Property Value
Tensile Strength515 MPa Min
Yield Strength205 MPa Min
Elongation35% Min
Hardness70 HRB Max
Density8.0 g/cm³
Melting Point1400°C – 1450°C

Applications of Stainless Steel 304 Capillary Tubes


Stainless Steel 304 Capillary Tubes are extensively used in industries where precision fluid transfer and corrosion resistance are critical.

HPLC Systems

Widely used in chromatography systems due to their smooth internal finish and precise flow characteristics. We are also recognized among HPLC Stainless Steel Capillary Tubing Suppliers for precision-grade tubing solutions.

Medical Equipment

Used in surgical instruments, needles, catheters, and diagnostic devices.

Instrumentation Industry

Ideal for pressure gauges, measuring instruments, sensors, and control systems.

Chemical Processing

Suitable for transferring chemicals and gases in corrosive environments.

Food & Beverage Industry

Used in hygienic fluid handling systems and processing equipment.

Aerospace & Automotive

Applied in fuel lines, hydraulic systems, and precision mechanical assemblies.

Difference Between SS 304 and 304L Industrial Capillary Tubes


304L Industrial Capillary Tubes contain lower carbon content compared to standard 304 stainless steel. This improves weldability and reduces carbide precipitation during welding operations.

Feature SS 304 SS 304L
Carbon ContentHigherLower
WeldabilityGoodExcellent
Corrosion ResistanceExcellentBetter after welding
Industrial UsageGeneral ApplicationsHeavy Welded Applications

304L Industrial Capillary Tubes are preferred for fabrication-intensive projects and highly corrosive environments.

Why Choose Our Stainless Steel 304 Capillary Tubes?


  •   Precision manufacturing with strict dimensional control
  •   International quality standards compliance
  •   High corrosion and pressure resistance
  •   Custom sizes and finishes available
  •   Fast delivery and export-ready packaging
  •   Competitive pricing for bulk requirements
  •   Technical support for industrial applications

We focus on supplying reliable capillary tubing solutions that meet the operational needs of multiple industries worldwide.

Available Types of Stainless Steel Capillary Tubes


  •   Seamless Stainless Steel 304 Capillary Tubes
  •   Welded SS 304 Capillary Tubes
  •   Bright Annealed Capillary Tubes
  •   Polished Stainless Steel Tubes
  •   Precision Instrumentation Tubing
  •   Coil Capillary Tubes
  •   HPLC Stainless Steel Tubing
  •   Thin Wall Capillary Tubes

Frequently Asked Questions


What are Stainless Steel 304 Capillary Tubes used for?

SS 304 capillary tubes are used in HPLC systems, instrumentation, medical devices, chemical processing, and precision fluid transfer applications.

What is the difference between 304 and 304L capillary tubes?

304L has lower carbon content, which improves weldability and minimizes carbide precipitation after welding.

Can SS 304 capillary tubes handle high pressure?

Yes, SS 304 Precision Tubing is suitable for high-pressure and high-temperature industrial applications.

Are stainless steel 304 capillary tubes corrosion resistant?

Yes, they offer excellent resistance against corrosion, oxidation, and chemical exposure.

Do you provide custom sizes for capillary tubing?

Yes, custom dimensions, wall thicknesses, and finishes are available according to project requirements.

Conclusion


Stainless Steel 304 Capillary Tubes are widely preferred for precision industrial applications because of their durability, corrosion resistance, dimensional accuracy, and excellent mechanical performance. Whether used in instrumentation, medical systems, or industrial fluid transfer, SS 304 Precision Tubing delivers reliable and long-lasting performance.

As experienced stainless steel 304 capillary tubes suppliers, we provide premium-quality tubing solutions designed to meet international industrial standards while ensuring consistent product quality and timely delivery.