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Stainless Steel 316 Seamless Capillary Tubes Manufacturer in India

Stainless Steel 316 Seamless Capillary Tubes are widely used in precision industrial applications where high corrosion resistance, dimensional accuracy, and smooth flow performance are required. These tubes are manufactured using premium-grade austenitic stainless steel and are suitable for instrumentation systems, medical equipment, hydraulic lines, heat exchangers, petrochemical processing, and high-pressure fluid applications.

We are a trusted ASTM A312/A213 SS 316 Capillary Tubes Manufacturer supplying high-quality tubing solutions in seamless, welded, and semi-seamless forms with strict dimensional tolerances and international quality standards. Our tubes are available in various wall thicknesses, outer diameters, and custom lengths to meet diverse industrial requirements.

What are Stainless Steel 316 Seamless Capillary Tubes?

Stainless Steel 316 Seamless Capillary Tubes are small-diameter precision tubes manufactured from molybdenum-bearing austenitic stainless steel grade 316. These tubes offer superior corrosion resistance, excellent strength at elevated temperatures, and high dimensional accuracy. They are commonly used in instrumentation, medical devices, chemical processing, and hydraulic systems where precision fluid transfer is essential.

Table of Content


ASTM A312/A213 SS 316 Capillary Tubes Manufacturer


As an experienced ASTM A312/A213 SS 316 Capillary Tubes Manufacturer, we supply tubing products that comply with international material and dimensional standards. Grade 316 stainless steel contains molybdenum, which improves resistance against chlorides, chemicals, and marine environments compared to standard 304 stainless steel.

Our production process focuses on:

  •   Tight dimensional tolerances
  •   Smooth internal surface finish
  •   Leak-proof performance
  •   Excellent pressure handling
  •   Corrosion-resistant material integrity
  •   Precision cutting and finishing

These capillary tubes are manufactured under stringent inspection procedures to ensure durability and reliable performance in critical applications.

Stainless Steel 316 Seamless Capillary Tubes


Stainless Steel 316 Seamless Capillary Tubes are produced without welded joints, making them ideal for high-pressure and high-temperature applications. The seamless manufacturing process ensures uniform structure and enhanced mechanical strength throughout the tubing.

Advantages of SS 316 Seamless Capillary Tubes

  •   Superior corrosion resistance
  •   High tensile strength
  •   Better pressure-bearing capability
  •   Smooth fluid flow
  •   Excellent machinability
  •   Long service life
  •   Resistance to pitting and crevice corrosion
  •   Suitable for marine and chemical environments

These tubes are extensively used in industries where contamination-free and precise flow systems are critical.

SS 316 Welded Capillary Tube


SS 316 Welded Capillary Tube products are manufactured using advanced welding technology and precision finishing methods. These tubes provide excellent dimensional consistency and cost-effective performance for low to medium-pressure applications.

Our welded capillary tubing is widely preferred for:

  •   Instrumentation lines
  •   Decorative applications
  •   Low-pressure fluid systems
  •   Pharmaceutical equipment
  •   Food processing systems

Every welded tube undergoes rigorous testing to ensure structural reliability and leak-free performance.

Stainless Steel 1.4401 / 1.4436 Capillary Tube


Stainless Steel 1.4401 / 1.4436 Capillary Tube grades are internationally recognized equivalents of SS 316 and SS 316L materials. These grades are known for their excellent resistance to corrosive media and superior fabrication properties.

Equivalent Grades

Standard Grade
ASTMSS 316
UNSS31600
WERKSTOFF NR.1.4401
ENX5CrNiMo17-12-2
WERKSTOFF NR.1.4436

These grades are highly suitable for aggressive industrial environments and precision engineering applications.

Stainless Steel 316 Semi-Seamless Capillary Tubes Exporter in India


We are also recognized as a Stainless Steel 316 Semi-Seamless Capillary Tubes Exporter in India supplying precision tubing products to domestic and international markets. Semi-seamless capillary tubes provide a balance between strength, performance, and cost efficiency.

Our export packaging standards ensure:

  •   Damage-free transportation
  •   Moisture protection
  •   Safe international shipment
  •   Proper labeling and traceability

We export stainless steel capillary tubing to various industries worldwide with complete material test certificates and inspection reports.

SS 316 Capillary Tubing Dealer in India


Being a reliable SS 316 Capillary Tubing Dealer in India, we maintain ready stock availability in multiple dimensions and specifications for urgent project requirements.

Our stock range includes:

  •   Seamless capillary tubes
  •   Welded capillary tubes
  •   Semi-seamless capillary tubes
  •   Round capillary tubing
  •   Precision instrumentation tubing

We offer custom manufacturing options based on client drawings and application requirements.

Stainless Steel 316 Capillary Tubes Specification Chart


Specification Details
Product NameStainless Steel 316 Seamless Capillary Tubes
Material GradeSS 316 / 316L
StandardsASTM A312 / ASTM A213 / ASTM A269
UNS NumberS31600
Werkstoff Number1.4401 / 1.4436
Manufacturing TypeSeamless / Welded / Semi-Seamless
Outer Diameter0.30 mm OD to 25 mm OD
Wall Thickness0.05 mm to 2.00 mm
LengthUp to 6 meters & custom cut lengths
FormRound
Surface FinishAnnealed, Pickled, Bright Annealed, Polished
End FinishPlain End / Deburred
ToleranceAs per ASTM & customer specification
HardnessSoft / Half Hard / Hard
TestingHydro Test, PMI Test, Eddy Current Test, Flattening Test
PackagingWooden Boxes, Bundles, Plastic Wrapping
OriginIndia

Chemical Composition of SS 316 Capillary Tubes


Element Composition (%)
Chromium (Cr)16.0 – 18.0
Nickel (Ni)10.0 – 14.0
Molybdenum (Mo)2.0 – 3.0
Carbon (C)0.08 Max
Manganese (Mn)2.0 Max
Silicon (Si)1.0 Max
Phosphorus (P)0.045 Max
Sulfur (S)0.03 Max

Mechanical Properties of Stainless Steel 316 Capillary Tubing


Property Value
Tensile Strength515 MPa Min
Yield Strength205 MPa Min
Elongation40%
Hardness95 HRB Max
Density8.0 g/cm³
Melting Point1375°C – 1400°C

Applications of Stainless Steel 316 Seamless Capillary Tubes


These tubes are widely used in:

  •   Instrumentation systems
  •   Medical equipment
  •   Chromatography systems
  •   Hydraulic and pneumatic lines
  •   Aerospace industries
  •   Heat exchangers
  •   Pharmaceutical processing
  •   Oil and gas industries
  •   Chemical processing plants
  •   Marine applications
  •   Food processing industries

Their corrosion-resistant properties and precision dimensions make them highly suitable for critical fluid handling systems.

Why Choose Our SS 316 Capillary Tubes?


Our stainless steel capillary tubing solutions are manufactured with a focus on quality, consistency, and industrial performance. We supply tubing products that meet both domestic and international standards for industrial applications.

Key Benefits

  •   Precision engineering
  •   Ready stock availability
  •   Competitive pricing
  •   Strict quality inspection
  •   Custom dimensions available
  •   Export-grade packaging
  •   Fast delivery support
  •   Technical assistance for industrial applications

Frequently Asked Questions (FAQ)


What is the difference between SS 316 seamless and welded capillary tubes?

Seamless capillary tubes are manufactured without welded joints and offer higher pressure resistance, while welded capillary tubes are more economical and suitable for standard applications.

Why is SS 316 used for capillary tubing?

SS 316 offers excellent corrosion resistance, especially against chlorides and chemicals, making it suitable for precision industrial and marine applications.

What industries use stainless steel 316 capillary tubes?

Industries such as pharmaceuticals, oil & gas, instrumentation, medical, aerospace, and chemical processing commonly use SS 316 capillary tubing.

Are custom sizes available?

Yes, custom wall thicknesses, outer diameters, and lengths are available based on project requirements.

Looking for SS 316 Capillary Tubes for Industrial Applications?


Get high-quality Stainless Steel 316 Seamless Capillary Tubes with precise dimensions, corrosion resistance, and ready stock availability for domestic and export requirements. Contact us today for pricing, technical support, and quick delivery options.