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Stainless Steel Round Tube 304 Seamless

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Stainless Steel Round Tube 304 Seamless

The 304 seamless stainless steel round tube is engineered for high-pressure applications where the absence of a weld seam is critical for safety. These tubes are primarily used in high-purity fluid transport, hydraulic systems, and chemical processing lines. The 304 alloy provides excellent corrosion resistance and is suitable for both high and low-temperature service. Because there is no longitudinal weld, this tube offers superior structural integrity and pressure ratings compared to welded alternatives. Onlinemetals.com carries 304 seamless tubing in various sizes to support your most demanding engineering projects.

Material Properties

Link Icon Stainless Steel 304 Product Guide | Link Icon Stainless Steel 304 Round Tube Tolerances

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14mm OD x 2mm Wall x 10mm ID Stainless Round Tube 304 Metric 60" Length [+/- 2"] Part # 22399

14mm OD x 2mm Wall x 10mm ID Stainless Round Tube 304 Metric 60" Length [+/- 2"] -
Part #: 22399

Pack of 1

Best shipping value:
Single Heat Lot Required
Why are heat lots important?
Heat lots ensure consistent metal properties, full traceability, and quality control, which are critical for precision and reliability in your projects.

By selecting "Single Heat Lot Required" option, we ensure all cut pieces are sourced from a single heat lot for consistency in material characteristics.

QTY

Update
$324.14
$324.14 ea.

Dimensions

  • Outer Diameter: 14mm
  • Wall: 2mm
  • Inner Diameter: 10mm
Click for more details
stainless-round-tube-304-metric-1superZoom-mob{product.code}
Material Meets These Standard(s): ASTM-A312 , ASTM-A213 , ASTM-A269

Key Features

MTR FREE MTR Available
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stainless-round-tube-304-metric-1superZoom-desk22399

15mm OD x 1mm Wall x 13mm ID Stainless Round Tube 304 Metric 60" Length [+/- 2"] Part # 22400

15mm OD x 1mm Wall x 13mm ID Stainless Round Tube 304 Metric 60" Length [+/- 2"] -
Part #: 22400

Pack of 1

Best shipping value:
Single Heat Lot Required
Why are heat lots important?
Heat lots ensure consistent metal properties, full traceability, and quality control, which are critical for precision and reliability in your projects.

By selecting "Single Heat Lot Required" option, we ensure all cut pieces are sourced from a single heat lot for consistency in material characteristics.

QTY

Update
$186.37
$186.37 ea.

Dimensions

  • Outer Diameter: 15mm
  • Wall: 1mm
  • Inner Diameter: 13mm
Click for more details
stainless-round-tube-304-metric-1superZoom-mob{product.code}
Material Meets These Standard(s): ASTM-A312 , ASTM-A213 , ASTM-A269

Key Features

MTR FREE MTR Available
View more product details View more product details
View more product details Click for more details
stainless-round-tube-304-metric-1superZoom-desk22400

18mm OD x 1mm Wall x 16mm ID Stainless Round Tube 304 Metric 60" Length [+/- 2"] Part # 22401

18mm OD x 1mm Wall x 16mm ID Stainless Round Tube 304 Metric 60" Length [+/- 2"] -
Part #: 22401

Pack of 1

Best shipping value:
Single Heat Lot Required
Why are heat lots important?
Heat lots ensure consistent metal properties, full traceability, and quality control, which are critical for precision and reliability in your projects.

By selecting "Single Heat Lot Required" option, we ensure all cut pieces are sourced from a single heat lot for consistency in material characteristics.

QTY

Update
$204.24
$204.24 ea.

Dimensions

  • Outer Diameter: 18mm
  • Wall: 1mm
  • Inner Diameter: 16mm
Click for more details
stainless-round-tube-304-metric-1superZoom-mob{product.code}
Material Meets These Standard(s): ASTM-A312 , ASTM-A213 , ASTM-A269

Key Features

MTR FREE MTR Available
View more product details View more product details
View more product details Click for more details
stainless-round-tube-304-metric-1superZoom-desk22401

18mm OD x 2mm Wall x 14mm ID Stainless Round Tube 304 Metric 60" Length [+/- 2"] Part # 22402

18mm OD x 2mm Wall x 14mm ID Stainless Round Tube 304 Metric 60" Length [+/- 2"] -
Part #: 22402

Pack of 1

Best shipping value:
Single Heat Lot Required
Why are heat lots important?
Heat lots ensure consistent metal properties, full traceability, and quality control, which are critical for precision and reliability in your projects.

By selecting "Single Heat Lot Required" option, we ensure all cut pieces are sourced from a single heat lot for consistency in material characteristics.

QTY

Update
$386.54
$386.54 ea.

Dimensions

  • Outer Diameter: 18mm
  • Wall: 2mm
  • Inner Diameter: 14mm
Click for more details
stainless-round-tube-304-metric-1superZoom-mob{product.code}
Material Meets These Standard(s): ASTM-A312 , ASTM-A213 , ASTM-A269

Key Features

MTR FREE MTR Available
View more product details View more product details
View more product details Click for more details
stainless-round-tube-304-metric-1superZoom-desk22402

20mm OD x 2mm Wall x 16mm ID Stainless Round Tube 304 Metric 60" Length [+/- 2"] Part # 22404

20mm OD x 2mm Wall x 16mm ID Stainless Round Tube 304 Metric 60" Length [+/- 2"] -
Part #: 22404

Pack of 1

Best shipping value:
Single Heat Lot Required
Why are heat lots important?
Heat lots ensure consistent metal properties, full traceability, and quality control, which are critical for precision and reliability in your projects.

By selecting "Single Heat Lot Required" option, we ensure all cut pieces are sourced from a single heat lot for consistency in material characteristics.

QTY

Update
$388.97
$388.97 ea.

Dimensions

  • Outer Diameter: 20mm
  • Wall: 2mm
  • Inner Diameter: 16mm
Click for more details
stainless-round-tube-304-metric-1superZoom-mob{product.code}
Material Meets These Standard(s): ASTM-A312 , ASTM-A213 , ASTM-A269

Key Features

MTR FREE MTR Available
View more product details View more product details
View more product details Click for more details
stainless-round-tube-304-metric-1superZoom-desk22404

20mm OD x 3mm Wall x 14mm ID Stainless Round Tube 304 Metric 60" Length [+/- 2"] Part # 22405

20mm OD x 3mm Wall x 14mm ID Stainless Round Tube 304 Metric 60" Length [+/- 2"] -
Part #: 22405

Pack of 1

Best shipping value:
Single Heat Lot Required
Why are heat lots important?
Heat lots ensure consistent metal properties, full traceability, and quality control, which are critical for precision and reliability in your projects.

By selecting "Single Heat Lot Required" option, we ensure all cut pieces are sourced from a single heat lot for consistency in material characteristics.

QTY

Update
$453.80
$453.80 ea.

Dimensions

  • Outer Diameter: 20mm
  • Wall: 3mm
  • Inner Diameter: 14mm
Click for more details
stainless-round-tube-304-metric-1superZoom-mob{product.code}
Material Meets These Standard(s): ASTM-A312 , ASTM-A213 , ASTM-A269

Key Features

MTR FREE MTR Available
View more product details View more product details
View more product details Click for more details
stainless-round-tube-304-metric-1superZoom-desk22405

25mm OD x 1mm Wall x 23mm ID Stainless Round Tube 304 Metric 60" Length [+/- 2"] Part # 22406

25mm OD x 1mm Wall x 23mm ID Stainless Round Tube 304 Metric 60" Length [+/- 2"] -
Part #: 22406

Pack of 1

Best shipping value:
Single Heat Lot Required
Why are heat lots important?
Heat lots ensure consistent metal properties, full traceability, and quality control, which are critical for precision and reliability in your projects.

By selecting "Single Heat Lot Required" option, we ensure all cut pieces are sourced from a single heat lot for consistency in material characteristics.

QTY

Update
$324.14
$324.14 ea.

Dimensions

  • Outer Diameter: 25mm
  • Wall: 1mm
  • Inner Diameter: 23mm
Click for more details
stainless-round-tube-304-metric-1superZoom-mob{product.code}
Material Meets These Standard(s): ASTM-A312 , ASTM-A213 , ASTM-A269

Key Features

MTR FREE MTR Available
View more product details View more product details
View more product details Click for more details
stainless-round-tube-304-metric-1superZoom-desk22406

25mm OD x 2mm Wall x 21mm ID Stainless Round Tube 304 Metric 60" Length [+/- 2"] Part # 22407

25mm OD x 2mm Wall x 21mm ID Stainless Round Tube 304 Metric 60" Length [+/- 2"] -
Part #: 22407

Pack of 1

Best shipping value:
Single Heat Lot Required
Why are heat lots important?
Heat lots ensure consistent metal properties, full traceability, and quality control, which are critical for precision and reliability in your projects.

By selecting "Single Heat Lot Required" option, we ensure all cut pieces are sourced from a single heat lot for consistency in material characteristics.

QTY

Update
$410.58
$410.58 ea.

Dimensions

  • Outer Diameter: 25mm
  • Wall: 2mm
  • Inner Diameter: 21mm
Click for more details
stainless-round-tube-304-metric-1superZoom-mob{product.code}
Material Meets These Standard(s): ASTM-A312 , ASTM-A213 , ASTM-A269

Key Features

MTR FREE MTR Available
View more product details View more product details
View more product details Click for more details
stainless-round-tube-304-metric-1superZoom-desk22407

30mm OD x 1mm Wall x 28mm ID Stainless Round Tube 304 Metric 60" Length [+/- 2"] Part # 22408

30mm OD x 1mm Wall x 28mm ID Stainless Round Tube 304 Metric 60" Length [+/- 2"] -
Part #: 22408

Pack of 1

Best shipping value:
Single Heat Lot Required
Why are heat lots important?
Heat lots ensure consistent metal properties, full traceability, and quality control, which are critical for precision and reliability in your projects.

By selecting "Single Heat Lot Required" option, we ensure all cut pieces are sourced from a single heat lot for consistency in material characteristics.

QTY

Update
$346.19
$346.19 ea.

Dimensions

  • Outer Diameter: 30mm
  • Wall: 1mm
  • Inner Diameter: 28mm
Click for more details
stainless-round-tube-304-metric-1superZoom-mob{product.code}
Material Meets These Standard(s): ASTM-A312 , ASTM-A213 , ASTM-A269

Key Features

MTR FREE MTR Available
View more product details View more product details
View more product details Click for more details
stainless-round-tube-304-metric-1superZoom-desk22408

30mm OD x 2mm Wall x 26mm ID Stainless Round Tube 304 Metric 60" Length [+/- 2"] Part # 22409

30mm OD x 2mm Wall x 26mm ID Stainless Round Tube 304 Metric 60" Length [+/- 2"] -
Part #: 22409

Pack of 1

Best shipping value:
Single Heat Lot Required
Why are heat lots important?
Heat lots ensure consistent metal properties, full traceability, and quality control, which are critical for precision and reliability in your projects.

By selecting "Single Heat Lot Required" option, we ensure all cut pieces are sourced from a single heat lot for consistency in material characteristics.

QTY

Update
$502.42
$502.42 ea.

Dimensions

  • Outer Diameter: 30mm
  • Wall: 2mm
  • Inner Diameter: 26mm
Click for more details
stainless-round-tube-304-metric-1superZoom-mob{product.code}
Material Meets These Standard(s): ASTM-A312 , ASTM-A213 , ASTM-A269

Key Features

MTR FREE MTR Available
View more product details View more product details
View more product details Click for more details
stainless-round-tube-304-metric-1superZoom-desk22409

40mm OD x 2mm Wall x 36mm ID Stainless Round Tube 304 Metric 60" Length [+/- 2"] Part # 22411

40mm OD x 2mm Wall x 36mm ID Stainless Round Tube 304 Metric 60" Length [+/- 2"] -
Part #: 22411

Pack of 1

Best shipping value:
Single Heat Lot Required
Why are heat lots important?
Heat lots ensure consistent metal properties, full traceability, and quality control, which are critical for precision and reliability in your projects.

By selecting "Single Heat Lot Required" option, we ensure all cut pieces are sourced from a single heat lot for consistency in material characteristics.

QTY

Update
$574.37
$574.37 ea.

Dimensions

  • Outer Diameter: 40mm
  • Wall: 2mm
  • Inner Diameter: 36mm
Click for more details
stainless-round-tube-304-metric-1superZoom-mob{product.code}
Material Meets These Standard(s): ASTM-A312 , ASTM-A213 , ASTM-A269

Key Features

MTR FREE MTR Available
View more product details View more product details
View more product details Click for more details
stainless-round-tube-304-metric-1superZoom-desk22411

40mm OD x 3mm Wall x 34mm ID Stainless Round Tube 304 Metric 60" Length [+/- 2"] Part # 22412

40mm OD x 3mm Wall x 34mm ID Stainless Round Tube 304 Metric 60" Length [+/- 2"] -
Part #: 22412

Pack of 1

Best shipping value:
Single Heat Lot Required
Why are heat lots important?
Heat lots ensure consistent metal properties, full traceability, and quality control, which are critical for precision and reliability in your projects.

By selecting "Single Heat Lot Required" option, we ensure all cut pieces are sourced from a single heat lot for consistency in material characteristics.

QTY

Update
$782.83
$782.83 ea.

Dimensions

  • Outer Diameter: 40mm
  • Wall: 3mm
  • Inner Diameter: 34mm
Click for more details
stainless-round-tube-304-metric-1superZoom-mob{product.code}
Material Meets These Standard(s): ASTM-A312 , ASTM-A213 , ASTM-A269

Key Features

MTR FREE MTR Available
View more product details View more product details
View more product details Click for more details
stainless-round-tube-304-metric-1superZoom-desk22412

50mm OD x 2mm Wall x 46mm ID Stainless Round Tube 304 Metric 60" Length [+/- 2"] Part # 22413

50mm OD x 2mm Wall x 46mm ID Stainless Round Tube 304 Metric 60" Length [+/- 2"] -
Part #: 22413

Pack of 1

Best shipping value:
Single Heat Lot Required
Why are heat lots important?
Heat lots ensure consistent metal properties, full traceability, and quality control, which are critical for precision and reliability in your projects.

By selecting "Single Heat Lot Required" option, we ensure all cut pieces are sourced from a single heat lot for consistency in material characteristics.

QTY

Update
$676.47
$676.47 ea.

Dimensions

  • Outer Diameter: 50mm
  • Wall: 2mm
  • Inner Diameter: 46mm
Click for more details
stainless-round-tube-304-metric-1superZoom-mob{product.code}
Material Meets These Standard(s): ASTM-A312 , ASTM-A213 , ASTM-A269

Key Features

MTR FREE MTR Available
View more product details View more product details
View more product details Click for more details
stainless-round-tube-304-metric-1superZoom-desk22413

50mm OD x 3mm Wall x 44mm ID Stainless Round Tube 304 Metric 60" Length [+/- 2"] Part # 22414

50mm OD x 3mm Wall x 44mm ID Stainless Round Tube 304 Metric 60" Length [+/- 2"] -
Part #: 22414

Pack of 1

Best shipping value:
Single Heat Lot Required
Why are heat lots important?
Heat lots ensure consistent metal properties, full traceability, and quality control, which are critical for precision and reliability in your projects.

By selecting "Single Heat Lot Required" option, we ensure all cut pieces are sourced from a single heat lot for consistency in material characteristics.

QTY

Update
$865.43
$865.43 ea.

Dimensions

  • Outer Diameter: 50mm
  • Wall: 3mm
  • Inner Diameter: 44mm
Click for more details
stainless-round-tube-304-metric-1superZoom-mob{product.code}
Material Meets These Standard(s): ASTM-A312 , ASTM-A213 , ASTM-A269

Key Features

MTR FREE MTR Available
View more product details View more product details
View more product details Click for more details
stainless-round-tube-304-metric-1superZoom-desk22414

5" OD x 0.750" Wall x 3.5" ID Stainless Round Tube 304 Seamless Annealed & Pickled -  Part # 27759

5" OD x 0.750" Wall x 3.5" ID Stainless Round Tube 304 Seamless Annealed & Pickled-
Part #: 27759
Pricing and availability for this item changes frequently. Contact us now for a fast quote.

6" OD x 0.5" Wall x 5" ID Stainless Round Tube 304 Seamless Part # 26524

6" OD x 0.5" Wall x 5" ID Stainless Round Tube 304 Seamless -
Part #: 26524
Best shipping value:
Single Heat Lot Required
Why are heat lots important?
Heat lots ensure consistent metal properties, full traceability, and quality control, which are critical for precision and reliability in your projects.

By selecting "Single Heat Lot Required" option, we ensure all cut pieces are sourced from a single heat lot for consistency in material characteristics.

QTY

Update
$1,232.85 for 1
$1,232.85 ea.

Dimensions

  • Outer Diameter: 6"
  • Wall: 0.5"
  • Inner Diameter: 5"
Click for more details
large-diameter-stainless-round-tube-1superZoom_300Wx300H-mob{product.code}
Material Meets These Standard(s): ASTM-A269

Key Features

MTR FREE MTR Available
View more product details View more product details
View more product details Click for more details
large-diameter-stainless-round-tube-1superZoom_300Wx300H-desk26524

2 1/4" OD x 0.25" Wall x 1.75" ID Stainless Round Tube 304 Seamless Part # 26531

2 1/4" OD x 0.25" Wall x 1.75" ID Stainless Round Tube 304 Seamless -
Part #: 26531
Best shipping value:
Single Heat Lot Required
Why are heat lots important?
Heat lots ensure consistent metal properties, full traceability, and quality control, which are critical for precision and reliability in your projects.

By selecting "Single Heat Lot Required" option, we ensure all cut pieces are sourced from a single heat lot for consistency in material characteristics.

QTY

Update
$152.29 for 1
$152.29 ea.

Dimensions

  • Outer Diameter: 2.25"
  • Wall: 0.25"
  • Inner Diameter: 1.75"
Click for more details
stainless-round-tube-304-seamless-1superZoom-mob{product.code}

Key Features

CUSTOM CUT MTR FREE MTR Available
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stainless-round-tube-304-seamless-1superZoom-desk26531

4" OD x 0.065" Wall x 3.87" ID Stainless Round Tube 304 Seamless Annealed & Pickled -  Part # 27981

4" OD x 0.065" Wall x 3.87" ID Stainless Round Tube 304 Seamless Annealed & Pickled-
Part #: 27981
Pricing and availability for this item changes frequently. Contact us now for a fast quote.

5 1/4" OD x 0.375" Wall x 4.5" ID Stainless Round Tube 304 Seamless Annealed & Pickled -  Part # 28167

5 1/4" OD x 0.375" Wall x 4.5" ID Stainless Round Tube 304 Seamless Annealed & Pickled-
Part #: 28167
Pricing and availability for this item changes frequently. Contact us now for a fast quote.

2 1/4" OD x 0.375" Wall x 1 1/2" ID Stainless Round Tube 304 Seamless -  Part # 28895

2 1/4" OD x 0.375" Wall x 1 1/2" ID Stainless Round Tube 304 Seamless-
Part #: 28895
Pricing and availability for this item changes frequently. Contact us now for a fast quote.

4" OD x 0.375" Wall x 3.25" ID Stainless Steel Round Tube 304/304L Seamless Annealed and Pickled -  Part # 29165

4" OD x 0.375" Wall x 3.25" ID Stainless Steel Round Tube 304/304L Seamless Annealed and Pickled-
Part #: 29165
Pricing and availability for this item changes frequently. Contact us now for a fast quote.

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