316L Capillary Tubing

316L capillary tubing is widely used in applications requiring high precision, small diameters, and reliable corrosion resistance. As a low-carbon austenitic stainless steel, 316L offers excellent resistance to corrosion in chloride-containing and mildly acidic environments, making it a preferred choice for a wide range of industrial applications.

Capillary tubing is characterized by its small outer diameter, thin wall thickness, and tight dimensional tolerances, which are essential for accurate fluid control and pressure performance. Our 316L capillary tubing is manufactured using advanced cold drawing and precision processing technologies to ensure consistent dimensions, smooth internal surface, and stable mechanical properties.

In oil and gas applications, 316L capillary tubing is commonly used for chemical injection lines, control systems, and instrumentation tubing. It plays a critical role in delivering precise volumes of chemicals into wells and pipelines, helping to prevent corrosion, scaling, and hydrate formation.

Compared with higher alloy materials, 316L provides a cost-effective solution with reliable performance, making it widely used in both standard and moderately demanding environments.

Key Advantages
High precision with tight dimensional tolerances
Smooth inner surface for accurate fluid flow
Excellent corrosion resistance in chloride environments
Suitable for small diameter and precision applications
Cost-effective and widely available
Typical Specifications
Material: Stainless Steel 316L
Outer Diameter: Small diameter customizable
Wall Thickness: Precision controlled
Form: Straight length or coil
Surface: Bright Annealed / Annealed & Pickled
Applications
Instrumentation systems
Chemical injection lines
Oil & gas control systems
Laboratory and analytical equipment
Precision fluid transfer systems

Explore our related tubing solutions for precision fluid control and chemical injection applications:

• Duplex 2205 Capillary Tubing for Corrosive Offshore Environments
• Stainless Steel Capillary Tubing for General Instrumentation Applications
• 316L Control Line Tubing for Hydraulic and Injection Systems
• 316L Coiled Tubing for Long Distance Chemical Injection
• Hydraulic Control Line Tubing for Subsea and Downhole Systems