316L Stainless Steel Tubing

Seamless 316L stainless steel precision tubing with bright-annealed finish for laboratory gas lines, fluid handling and scientific instrumentation. Available in metric and fractional sizes, supplied in 1 m straight lengths.

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316L Tubing Size (OD × Wall)

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S4R 316L Stainless Steel Seamless Tubing is designed for laboratory fluid handling, gas distribution and scientific instrumentation. Its seamless precision construction and bright-annealed surface provide a clean and uniform tubing solution for demanding laboratory assemblies. A focused selection of metric and fractional-inch sizes is available for integration with compatible compression fittings, instruments and fluid-handling systems. Standard variants are supplied in 1 m straight lengths for convenient handling, storage and transportation.

Key Features

✓ 316L stainless steel construction

✓ Seamless precision tubing construction

✓ Bright-annealed (BA) surface finish

✓ Good corrosion resistance for laboratory fluid systems

✓ Metric and fractional-inch sizes for instrumentation systems

✓ Supplied in 1 m straight lengths for practical handling and transport

Typical Applications

• Laboratory gas distribution lines

• Scientific and analytical instrumentation

• Laboratory liquid and reagent transfer

• Electrochemical and battery research equipment

• Compression-fitting tube assemblies

• General laboratory fluid-handling systems

Technical Specifications

Material	316L Stainless Steel
Construction	Seamless precision tubing
Surface Finish	BA (Bright Annealed)
Tube Form	Straight tube
Size Designation	Outside Diameter × Wall Thickness (OD × Wall)
Sizing Standards	Metric / Fractional Inch
Metric Outside Diameters	Ø4 / Ø6 / Ø8 / Ø10 / Ø12 / Ø16 mm
Fractional Outside Diameters	1/8" / 1/4" / 3/8" / 1/2"
Standard Length	1 m
Longer Lengths	Available on request

Available Sizes & Dimensions

Tubing Size (OD × Wall)	Outside Diameter	Wall Thickness	Calculated Inside Diameter	Standard Length
Ø4 × 1.0 mm	Ø4 mm	1.0 mm	Ø2 mm	1 m
Ø6 × 1.0 mm	Ø6 mm	1.0 mm	Ø4 mm	1 m
Ø8 × 1.0 mm	Ø8 mm	1.0 mm	Ø6 mm	1 m
Ø10 × 1.0 mm	Ø10 mm	1.0 mm	Ø8 mm	1 m
Ø12 × 1.0 mm	Ø12 mm	1.0 mm	Ø10 mm	1 m
Ø16 × 1.5 mm	Ø16 mm	1.5 mm	Ø13 mm	1 m
1/8" × 0.028"	1/8" (3.18 mm)	0.028" (0.71 mm)	≈1.76 mm	1 m
1/4" × 0.035"	1/4" (6.35 mm)	0.035" (0.89 mm)	≈4.57 mm	1 m
3/8" × 0.035"	3/8" (9.53 mm)	0.035" (0.89 mm)	≈7.75 mm	1 m
1/2" × 0.049"	1/2" (12.70 mm)	0.049" (1.24 mm)	≈10.22 mm	1 m

Inside diameters are calculated from nominal outside diameter and wall thickness values. Dimensions are nominal. Metric and fractional tubing sizes are separate standards and should not be considered interchangeable.

Package Contents

1×

316L Stainless Steel Seamless Tubing

Selected tubing size × 1 m straight length

Custom Lengths

Standard online variants are supplied in 1 m straight lengths to simplify handling, storage and transportation. Longer tubing lengths may be available for specific laboratory or installation requirements. Please contact S4R for availability and quotation.

Pressure & Installation Compatibility

Allowable operating pressure depends on tubing diameter, wall thickness, material condition, temperature, fittings and complete system design. No universal pressure rating should be inferred from tubing dimensions alone. Metric and fractional tubing must be used with fittings designed for the corresponding tubing standard. For pressurized, vacuum-critical or safety-critical applications, verify tubing and fitting compatibility and the required operating conditions before installation.

316L Stainless Steel Tubing

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Pricing available to approved customers

Key Features

Typical Applications

Key Features

Typical Applications

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