Stainless steel welded micro tubes are tubes manufactured by forming and welding stainless steel strips into super thin and micro dimensioned tubes with outstanding accuracy and dimensional control. These tubes are primarily utilized in Medical Devices & Equipment, Instrumentation and Control System, Automobile & Auto Industry, Aerospace, Chemical & Pharmaceutical Industry, etc. Where micro dimensions accuracy and resistance to corrosive environment is the criteria.

Being one of the Leading Stainless steel micro tube manufacturer in India we fabricate and supply welded Stainless steel micro tubes in diverse grades (e.g. 304, 304L, 316, 316L etc.), outer diameter, and wall thicknesses for diverse high-tech applications with advanced welding processes & rigorous quality check.

What Are Stainless Steel Welded Micro Tubes?

Stainless steel welded micro tubes are small-diameter precision tubes manufactured by rolling stainless steel strip into a tubular shape and welding the seam using advanced welding techniques. These tubes offer excellent corrosion resistance, high strength, dimensional accuracy, smooth surface finish, and durability, making them ideal for medical devices, instrumentation systems, automotive components, aerospace applications, and chemical processing equipment.

Table of Content

What Are Stainless Steel Welded Micro Tubes?
Why Stainless Steel Welded Micro Tubes Are Preferred Across Industries
Features of Stainless Steel Micro Tubes
Manufacturing Process of Stainless Steel Welded Micro Tubes
Available Grades of Welded Stainless Steel Micro Tubes
Applications of Stainless Steel Welded Micro Tubes
Technical Specifications of Stainless Steel Micro Tubes
Quality Testing and Inspection
Frequently Asked Questions

Parameter

Range

Outside Diameter

0.3 mm to 25 mm

Wall Thickness

0.05 mm to 2 mm

Length

Custom Cut Lengths

Manufacturing Type

Welded

Surface Finish

Bright Annealed, Polished, Pickled

Standards

ASTM, ASME, DIN, EN, ISO

Shape

Round

Testing

Eddy Current, Hydrostatic, PMI, Dimensional Inspection

Modern industries need tubing which delivers precision combined with long-life performance. Stainless steel welded micro-tubes do exactly that but in a most economical form with good mechanical qualities.

Key Benefits Include:

Exceptional dimensional accuracy
Excellent corrosion resistance
High strength-to-weight ratio
Smooth internal and external surfaces
Reliable weld integrity
Easy fabrication and installation
Excellent pressure handling capability
Long service life
Resistance to chemicals and moisture
Compatibility with demanding industrial environments

These characteristics make welded stainless steel micro tubes a preferred choice for critical applications where performance cannot be compromised.

Our stainless steel micro tubes are manufactured according to international quality standards and are suitable for precision engineering applications.

High Precision Manufacturing

Micro tubing requires extremely tight dimensional tolerances. Advanced manufacturing processes ensure consistent outer diameter, inner diameter, and wall thickness throughout production.

Corrosion Resistance

Corrosion resistant stainless steel micro tubes perform exceptionally well in environments exposed to moisture, chemicals, saltwater, and industrial fluids.

Superior Surface Finish

A smooth surface finish helps reduce contamination risks and improves fluid flow characteristics in sensitive applications.

Excellent Strength

High strength stainless steel micro tubing maintains structural integrity under pressure, vibration, and temperature fluctuations.

Weld Quality Assurance

Every welded seam undergoes rigorous inspection and testing to ensure reliability and long-term performance.

The quality of stainless steel welded micro tubes largely depends on the manufacturing process. We follow a controlled production methodology to ensure consistency and precision.

Step 1: Raw Material Selection

Premium-grade stainless steel coils are sourced from approved mills and verified for chemical composition and mechanical properties.

Step 2: Precision Slitting

The stainless steel strip is slit into precise widths according to the required tube dimensions.

Step 3: Tube Forming

The strip is gradually formed into a tubular shape using advanced roll-forming equipment.

Step 4: Welding

The formed tube is welded using precision welding technology to achieve a strong and uniform weld seam.

Step 5: Sizing and Calibration

The tube passes through calibration equipment to achieve exact dimensional tolerances.

Step 6: Heat Treatment

Where required, tubes undergo heat treatment to optimize mechanical properties and relieve residual stresses.

Step 7: Surface Finishing

Surface finishing processes improve appearance, cleanliness, and corrosion resistance.

Step 8: Inspection and Testing

Every batch undergoes dimensional verification, weld testing, and quality inspections before shipment.

We supply welded stainless steel micro tubes in various stainless steel grades to suit different operating environments.

Austenitic Grades

Stainless Steel 304 Micro Tubes
Stainless Steel 304L Micro Tubes
Stainless Steel 316 Micro Tubes
Stainless Steel 316L Micro Tubes
Stainless Steel 321 Micro Tubes
Stainless Steel 347 Micro Tubes

Duplex Grades

Duplex 2205 Micro Tubes
Super Duplex 2507 Micro Tubes

High Performance Grades

904L Stainless Steel Micro Tubes
SMO 254 Micro Tubes

Each grade offers specific advantages regarding corrosion resistance, temperature performance, and mechanical strength.

Because of their precision and durability, stainless steel welded micro tubes are used in numerous industries.

Medical Industry

Surgical instruments
Catheter components
Diagnostic equipment
Medical fluid transfer systems

Instrumentation Industry

Pressure sensing systems
Analytical instruments
Measurement equipment
Control systems

Automotive Industry

Fuel injection systems
Sensor housings
Hydraulic assemblies
Emission control systems

Aerospace Industry

Hydraulic tubing
Precision assemblies
Fuel systems
Instrumentation lines

Chemical Processing Industry

Fluid transfer systems
Heat exchangers
Sampling equipment
Process control systems

Electronics Industry

Semiconductor manufacturing equipment
Precision cooling systems
High-purity gas distribution systems

Parameter	Range
Outside Diameter	0.3 mm to 25 mm
Wall Thickness	0.05 mm to 2 mm
Length	Custom Cut Lengths
Manufacturing Type	Welded
Surface Finish	Bright Annealed, Polished, Pickled
Standards	ASTM, ASME, DIN, EN, ISO
Shape	Round
Testing	Eddy Current, Hydrostatic, PMI, Dimensional Inspection

To ensure the highest quality standards, our stainless steel welded micro tubes undergo comprehensive testing procedures.

Dimensional Inspection

Verification of OD, ID, wall thickness, and length.

Eddy Current Testing

Detection of surface and subsurface defects.

Hydrostatic Pressure Testing

Evaluation of pressure-handling capability.

Weld Integrity Testing

Assessment of weld quality and consistency.

Positive Material Identification (PMI)

Confirmation of material grade and composition.

Surface Quality Inspection

Examination of surface finish and cleanliness.

What is the difference between welded and seamless stainless steel micro tubes?

Welded stainless steel micro tubes are manufactured by forming stainless steel strip into a tube and welding the seam, while seamless tubes are produced without a welded joint. Welded tubes offer excellent dimensional accuracy and cost efficiency for many precision applications.

Are stainless steel welded micro tubes corrosion resistant?

Yes. Corrosion resistant stainless steel micro tubes provide excellent resistance to moisture, chemicals, oxidation, and industrial environments, especially when manufactured from grades such as 316L, 904L, and Duplex stainless steel.

Which industries use stainless steel micro tubes?

Industries including medical, aerospace, automotive, instrumentation, electronics, and chemical processing commonly use stainless steel micro tubes for precision fluid handling and structural applications.

What sizes are available in stainless steel micro tubing?

Micro tubes are available in diameters as small as 0.3 mm with various wall thicknesses and custom lengths depending on application requirements.

Can welded stainless steel micro tubes be customized?

Yes. Tubes can be supplied in custom dimensions, wall thicknesses, grades, lengths, and surface finishes to meet specific project requirements.

Stainless Steel Welded Micro Tubes Manufacturer & Supplier in India