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Stainless Steel Round Tube 304

Stainless Steel Round Tube 304

304 stainless steel round tube is a versatile choice for aerospace, food service, machinery, chemical, and architectural applications. As the most widely used stainless alloy, 304 provides high strength, reliable corrosion resistance, and clean weldability–making it suitable for both structural and decorative fabrication. Stocked in welded, seamless, metric, and Rigi Grip formats in full and custom cut lengths, 304 tubing delivers dependable performance across general industrial and commercial projects.


Applications: Aerospace parts, food service equipment, machinery frames, railings, architectural structures, industrial piping.


Available Types: Domestic Seamless| Rigi Grip | Seamless | Welded


1" OD x 0.12" Wall x 0.76" ID Stainless Round Tube 304 Seamless Part # 12935

1" OD x 0.12" Wall x 0.76" ID Stainless Round Tube 304 Seamless -
Part #: 12935

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$29.69 for 1
$29.69 ea.
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Dimensions

  • Inner Diameter: 0.76"
  • Outer Diameter: 1"
  • Wall: 0.12"
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stainless-round-tube-304-seamless-1superZoom
Material Meets These Standard(s): ASTM-A213,ASTM-A269

Key Features

CUSTOM CUT MTR FREEMTRAvailable
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SALE! Select Cut Sizes

1/2" OD x 0.035" Wall x 0.43" ID Stainless Round Tube 304 Seamless Part # 12920

1/2" OD x 0.035" Wall x 0.43" ID Stainless Round Tube 304 Seamless -
Part #: 12920

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$3.82 for 1
$3.82 ea.
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Dimensions

  • Inner Diameter: 0.43"
  • Outer Diameter: 0.5"
  • Wall: 0.035"
View more product details Click for more details
stainless-round-tube-304-seamless-1superZoom
Material Meets These Standard(s): ASTM-A213,ASTM-A269

Key Features

CUSTOM CUT MTR FREEMTRAvailable
View more product details View more product details
SALE! Select Cut Sizes

3/8" OD x 0.035" Wall x 0.305" ID Stainless Round Tube 304 Seamless Part # 12917

3/8" OD x 0.035" Wall x 0.305" ID Stainless Round Tube 304 Seamless -
Part #: 12917

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$3.15 for 1
$3.15 ea.
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Dimensions

  • Inner Diameter: 0.305"
  • Outer Diameter: 0.375"
  • Wall: 0.035"
View more product details Click for more details
stainless-round-tube-304-seamless-1superZoom
Material Meets These Standard(s): ASTM-A213,ASTM-A269

Key Features

CUSTOM CUT MTR FREEMTRAvailable
View more product details View more product details
SALE! Select Cut Sizes

3/8" OD x 0.049" Wall x 0.277" ID Stainless Round Tube 304 Seamless Part # 12918

3/8" OD x 0.049" Wall x 0.277" ID Stainless Round Tube 304 Seamless -
Part #: 12918

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$5.69 for 1
$5.69 ea.
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Dimensions

  • Inner Diameter: 0.277"
  • Outer Diameter: 0.375"
  • Wall: 0.049"
View more product details Click for more details
stainless-round-tube-304-seamless-1superZoom
Material Meets These Standard(s): ASTM-A213,ASTM-A269

Key Features

CUSTOM CUT MTR FREEMTRAvailable
View more product details View more product details

1/2" OD x 0.049" Wall x 0.402" ID Stainless Round Tube 304 Seamless Part # 12921

1/2" OD x 0.049" Wall x 0.402" ID Stainless Round Tube 304 Seamless -
Part #: 12921

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$6.52 for 1
$6.52 ea.
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Dimensions

  • Inner Diameter: 0.402"
  • Outer Diameter: 0.5"
  • Wall: 0.049"
View more product details Click for more details
stainless-round-tube-304-seamless-1superZoom
Material Meets These Standard(s): ASTM-A213,ASTM-A269

Key Features

CUSTOM CUT MTR FREEMTRAvailable
View more product details View more product details

5/16" OD x 0.02" Wall x 0.2725" ID Stainless Round Tube 304 Seamless Part # 14735

5/16" OD x 0.02" Wall x 0.2725" ID Stainless Round Tube 304 Seamless -
Part #: 14735

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$5.60 for 1
$5.60 ea.
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Dimensions

  • Inner Diameter: 0.2725"
  • Outer Diameter: 0.3125"
  • Wall: 0.02"
View more product details Click for more details
stainless-round-tube-304-seamless-1superZoom
Material Meets These Standard(s): ASTM-A213,ASTM-A269

Key Features

CUSTOM CUT MTR FREEMTRAvailable
View more product details View more product details

3/4" OD x 0.049" Wall x 0.652" ID Stainless Round Tube 304 Welded Part # 470

3/4" OD x 0.049" Wall x 0.652" ID Stainless Round Tube 304 Welded -
Part #: 470

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$9.43 for 1
$9.43 ea.
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Dimensions

  • Inner Diameter: 0.652"
  • Outer Diameter: 0.75"
  • Wall: 0.049"
View more product details Click for more details
stainless-round-tube-304-welded-1superZoom
Material Meets These Standard(s): ASTM-A249,ASTM-A554(call for availability),ASTM-A269

Key Features

CUSTOM CUT MTR FREEMTRAvailable
View more product details View more product details

3/16" OD x 0.049" Wall x 0.0895" ID Stainless Round Tube 304 Seamless Part # 14729

3/16" OD x 0.049" Wall x 0.0895" ID Stainless Round Tube 304 Seamless -
Part #: 14729

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$6.22 for 1
$6.22 ea.
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Dimensions

  • Inner Diameter: 0.0895"
  • Outer Diameter: 0.1875"
  • Wall: 0.049"
View more product details Click for more details
stainless-round-tube-304-seamless-1superZoom
Material Meets These Standard(s): ASTM-A213,ASTM-A269

Key Features

CUSTOM CUT MTR FREEMTRAvailable
View more product details View more product details

5/8" OD x 0.065" Wall x 0.495" ID Stainless Round Tube 304 Seamless Part # 12924

5/8" OD x 0.065" Wall x 0.495" ID Stainless Round Tube 304 Seamless -
Part #: 12924

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$8.61 for 1
$8.61 ea.
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Dimensions

  • Inner Diameter: 0.495"
  • Outer Diameter: 0.625"
  • Wall: 0.065"
View more product details Click for more details
stainless-round-tube-304-seamless-1superZoom
Material Meets These Standard(s): ASTM-A213,ASTM-A269

Key Features

CUSTOM CUT MTR FREEMTRAvailable
View more product details View more product details

9/16" OD x 0.095" Wall x 0.3725" ID Stainless Round Tube 304 Seamless Part # 14749

9/16" OD x 0.095" Wall x 0.3725" ID Stainless Round Tube 304 Seamless -
Part #: 14749

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$17.41 for 1
$17.41 ea.
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Dimensions

  • Inner Diameter: 0.3725"
  • Outer Diameter: 0.5625"
  • Wall: 0.095"
View more product details Click for more details
stainless-round-tube-304-seamless-1superZoom
Material Meets These Standard(s): ASTM-A213,ASTM-A269

Key Features

CUSTOM CUT MTR FREEMTRAvailable
View more product details View more product details

3/8" OD x 0.028" Wall x 0.319" ID Stainless Round Tube 304 Seamless Part # 12916

3/8" OD x 0.028" Wall x 0.319" ID Stainless Round Tube 304 Seamless -
Part #: 12916

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$4.70 for 1
$4.70 ea.
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Dimensions

  • Inner Diameter: 0.319"
  • Outer Diameter: 0.375"
  • Wall: 0.028"
View more product details Click for more details
stainless-round-tube-304-seamless-1superZoom
Material Meets These Standard(s): ASTM-A213,ASTM-A269

Key Features

CUSTOM CUT MTR FREEMTRAvailable
View more product details View more product details

1" OD x 0.095" Wall x 0.81" ID Stainless Round Tube 304 Seamless Part # 14766

1" OD x 0.095" Wall x 0.81" ID Stainless Round Tube 304 Seamless -
Part #: 14766

QTY

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$19.07 for 1
$19.07 ea.
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Dimensions

  • Inner Diameter: 0.81"
  • Outer Diameter: 1"
  • Wall: 0.095"
View more product details Click for more details
stainless-round-tube-304-seamless-1superZoom
Material Meets These Standard(s): ASTM-A213,ASTM-A269

Key Features

CUSTOM CUT MTR FREEMTRAvailable
View more product details View more product details

3/8" OD x 0.065" Wall x 0.245" ID Stainless Round Tube 304 Seamless Part # 12919

3/8" OD x 0.065" Wall x 0.245" ID Stainless Round Tube 304 Seamless -
Part #: 12919

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$6.45 for 1
$6.45 ea.
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Dimensions

  • Inner Diameter: 0.245"
  • Outer Diameter: 0.375"
  • Wall: 0.065"
View more product details Click for more details
stainless-round-tube-304-seamless-1superZoom
Material Meets These Standard(s): ASTM-A213,ASTM-A269

Key Features

CUSTOM CUT MTR FREEMTRAvailable
View more product details View more product details

1" OD x 0.065" Wall x 0.87" ID Stainless Round Tube 304 Seamless Part # 12934

1" OD x 0.065" Wall x 0.87" ID Stainless Round Tube 304 Seamless -
Part #: 12934

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$13.60 for 1
$13.60 ea.
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Dimensions

  • Inner Diameter: 0.87"
  • Outer Diameter: 1"
  • Wall: 0.065"
View more product details Click for more details
stainless-round-tube-304-seamless-1superZoom
Material Meets These Standard(s): ASTM-A213,ASTM-A269

Key Features

CUSTOM CUT MTR FREEMTRAvailable
View more product details View more product details

3/4" OD x 0.065" Wall x 0.62" ID Stainless Round Tube 304 Seamless Part # 12927

3/4" OD x 0.065" Wall x 0.62" ID Stainless Round Tube 304 Seamless -
Part #: 12927

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$10.10 for 1
$10.10 ea.
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Dimensions

  • Inner Diameter: 0.62"
  • Outer Diameter: 0.75"
  • Wall: 0.065"
View more product details Click for more details
stainless-round-tube-304-seamless-1superZoom
Material Meets These Standard(s): ASTM-A213,ASTM-A269

Key Features

CUSTOM CUT MTR FREEMTRAvailable
View more product details View more product details

6" OD x 0.065" Wall x 5.87" ID Stainless Round Tube 304 Welded Part # 12641

6" OD x 0.065" Wall x 5.87" ID Stainless Round Tube 304 Welded -
Part #: 12641

QTY

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$95.20 for 1
$95.20 ea.

Dimensions

  • Inner Diameter: 5.87"
  • Outer Diameter: 6"
  • Wall: 0.065"
View more product details Click for more details
large-diameter-stainless-round-tube-1superZoom_300Wx300H
Material Meets These Standard(s): ASTM-A249,ASTM-A554(call for availability),ASTM-A269

Key Features

CUSTOM CUT MTR FREEMTRAvailable
View more product details View more product details

5/8" OD x 0.049" Wall x 0.527" ID Stainless Round Tube 304 Seamless Part # 12923

5/8" OD x 0.049" Wall x 0.527" ID Stainless Round Tube 304 Seamless -
Part #: 12923

QTY

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$9.60 for 1
$9.60 ea.
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Dimensions

  • Inner Diameter: 0.527"
  • Outer Diameter: 0.625"
  • Wall: 0.049"
View more product details Click for more details
stainless-round-tube-304-seamless-1superZoom
Material Meets These Standard(s): ASTM-A213,ASTM-A269

Key Features

CUSTOM CUT MTR FREEMTRAvailable
View more product details View more product details

3/4" OD x 0.035" Wall x 0.68" ID Stainless Round Tube 304 Seamless Part # 14754

3/4" OD x 0.035" Wall x 0.68" ID Stainless Round Tube 304 Seamless -
Part #: 14754

QTY

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$7.12 for 1
$7.12 ea.
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Dimensions

  • Inner Diameter: 0.68"
  • Outer Diameter: 0.75"
  • Wall: 0.035"
View more product details Click for more details
stainless-round-tube-304-seamless-1superZoom
Material Meets These Standard(s): ASTM-A213,ASTM-A269

Key Features

CUSTOM CUT MTR FREEMTRAvailable
View more product details View more product details

2" OD x 0.25" Wall x 1.5" ID Stainless Round Tube 304 Seamless Part # 14804

2" OD x 0.25" Wall x 1.5" ID Stainless Round Tube 304 Seamless -
Part #: 14804

QTY

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$100.59 for 1
$100.59 ea.
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Dimensions

  • Inner Diameter: 1.5"
  • Outer Diameter: 2"
  • Wall: 0.25"
View more product details Click for more details
stainless-round-tube-304-seamless-1superZoom
Material Meets These Standard(s): ASTM-A213,ASTM-A269

Key Features

CUSTOM CUT MTR FREEMTRAvailable
View more product details View more product details

1" OD x 0.035" Wall x 0.93" ID Stainless Round Tube 304 Seamless Part # 14764

1" OD x 0.035" Wall x 0.93" ID Stainless Round Tube 304 Seamless -
Part #: 14764

QTY

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$11.98 for 1
$11.98 ea.
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Dimensions

  • Inner Diameter: 0.93"
  • Outer Diameter: 1"
  • Wall: 0.035"
View more product details Click for more details
stainless-round-tube-304-seamless-1superZoom
Material Meets These Standard(s): ASTM-A213,ASTM-A269

Key Features

CUSTOM CUT MTR FREEMTRAvailable
View more product details View more product details

9/16" OD x 0.065" Wall x 0.4325" ID Stainless Round Tube 304 Seamless Part # 27519

9/16" OD x 0.065" Wall x 0.4325" ID Stainless Round Tube 304 Seamless -
Part #: 27519

QTY

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$12.41 for 1
$12.41 ea.
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Dimensions

  • Inner Diameter: 0.4325"
  • Outer Diameter: 0.5625"
  • Wall: 0.065"
View more product details Click for more details
stainless-round-tube-304-seamless-1superZoom

Key Features

CUSTOM CUT MTR FREEMTRAvailable
View more product details View more product details

1 3/4" OD x 0.065" Wall x 1.62" ID Stainless Round Tube 304 Welded Part # 482

1 3/4" OD x 0.065" Wall x 1.62" ID Stainless Round Tube 304 Welded -
Part #: 482

QTY

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$20.65 for 1
$20.65 ea.
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Dimensions

  • Inner Diameter: 1.62"
  • Outer Diameter: 1.75"
  • Wall: 0.065"
View more product details Click for more details
stainless-round-tube-304-welded-1superZoom
Material Meets These Standard(s): ASTM-A249,ASTM-A554(call for availability),ASTM-A269

Key Features

CUSTOM CUT MTR FREEMTRAvailable
View more product details View more product details

1/4" OD x 0.02" Wall x 0.21" ID Stainless Round Tube 304 Seamless Part # 14732

1/4" OD x 0.02" Wall x 0.21" ID Stainless Round Tube 304 Seamless -
Part #: 14732

QTY

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$3.77 for 1
$3.77 ea.
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Dimensions

  • Inner Diameter: 0.21"
  • Outer Diameter: 0.25"
  • Wall: 0.02"
View more product details Click for more details
stainless-round-tube-304-seamless-1superZoom
Material Meets These Standard(s): ASTM-A213,ASTM-A269

7/8" OD x 0.12" Wall x 0.635" ID Stainless Round Tube 304 Seamless Part # 12932

7/8" OD x 0.12" Wall x 0.635" ID Stainless Round Tube 304 Seamless -
Part #: 12932

QTY

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$21.85 for 1
$21.85 ea.
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Dimensions

  • Inner Diameter: 0.635"
  • Outer Diameter: 0.875"
  • Wall: 0.12"
View more product details Click for more details
stainless-round-tube-304-seamless-1superZoom
Material Meets These Standard(s): ASTM-A213,ASTM-A269

Key Features

CUSTOM CUT MTR FREEMTRAvailable
View more product details View more product details

1 5/8" OD x 0.065" Wall x 1.495" ID Stainless Round Tube 304 Welded Part # 481

1 5/8" OD x 0.065" Wall x 1.495" ID Stainless Round Tube 304 Welded -
Part #: 481

QTY

Update
$23.53 for 1
$23.53 ea.
Camera Expand Details
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Qty
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Dimensions

  • Inner Diameter: 1.495"
  • Outer Diameter: 1.625"
  • Wall: 0.065"
View more product details Click for more details
stainless-round-tube-304-welded-1superZoom
Material Meets These Standard(s): ASTM-A249,ASTM-A554(call for availability),ASTM-A269

Key Features

CUSTOM CUT MTR FREEMTRAvailable
View more product details View more product details

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