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Alloy Steel Round Tube / Tubing

Alloy Steel Round Tube / Tubing

Steel round tube is often used for manufacturing and infrastructure projects. While it's known for its strength, it can also be lightweight. We offer alloy steel round tubing for sale in 4130 and4140. Our stock is available in the following sizes: 1ft, 2ft, 3ft, 4ft, 5ft, 6ft, 7ft, 8ft, and 20ft Order steel round tubing for your project today and have it delivered directly to you.

1 3/8" OD x 0.095" Wall x 1.185" ID Alloy Steel Round Tube 4130 Part # 26421

1 3/8" OD x 0.095" Wall x 1.185" ID Alloy Steel Round Tube 4130 -
Part #: 26421

QTY

Update
$18.14 for 1
$18.14 ea.

Dimensions

  • Inner Diameter: 1.185"
  • Outer Diameter: 1.375"
  • Wall: 0.095"
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Key Features

CUSTOM CUT MTR FREEMTRAvailable
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3 1/2" OD x 0.25" Wall x 3" ID Alloy Steel Round Tube 4130 Seamless Part # 19988

3 1/2" OD x 0.25" Wall x 3" ID Alloy Steel Round Tube 4130 Seamless -
Part #: 19988

QTY

Update
$102.38 for 1
$102.38 ea.

Dimensions

  • Inner Diameter: 3"
  • Outer Diameter: 3.5"
  • Wall: 0.25"
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Key Features

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

8mm OD x 1.5mm Wall x 5mm ID Alloy Steel Round Tube 4140 Metric 72" Length [+/- 2"] Part # 24663

8mm OD x 1.5mm Wall x 5mm ID Alloy Steel Round Tube 4140 Metric 72" Length [+/- 2"] -
Part #: 24663

Dimensions

  • Inner Diameter: 5mm
  • Outer Diameter: 8mm
  • Wall: 1.5mm
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Material Meets These Standard(s): ASTM-A519

8mm OD x 1.5mm Wall x 5mm ID Alloy Steel Round Tube 4140 Metric 36" Length [+/- 2"] Part # 24662

8mm OD x 1.5mm Wall x 5mm ID Alloy Steel Round Tube 4140 Metric 36" Length [+/- 2"] -
Part #: 24662

Dimensions

  • Inner Diameter: 5mm
  • Outer Diameter: 8mm
  • Wall: 1.5mm
View more product details Click for more details
alloy-steel-round-tube-4130-1superZoom
Material Meets These Standard(s): ASTM-A519

8mm OD x 1.5mm Wall x 5mm ID Alloy Steel Round Tube 4140 Metric 12" Length [+/- 2"] Part # 24661

8mm OD x 1.5mm Wall x 5mm ID Alloy Steel Round Tube 4140 Metric 12" Length [+/- 2"] -
Part #: 24661

Dimensions

  • Inner Diameter: 5mm
  • Outer Diameter: 8mm
  • Wall: 1.5mm
View more product details Click for more details
alloy-steel-round-tube-4130-1superZoom
Material Meets These Standard(s): ASTM-A519

12mm OD x 1.5mm Wall x 9mm ID Alloy Steel Round Tube 4140 Metric 72" Length [+/- 2"] Part # 27593

12mm OD x 1.5mm Wall x 9mm ID Alloy Steel Round Tube 4140 Metric 72" Length [+/- 2"] -
Part #: 27593

Dimensions

  • Inner Diameter: 9mm
  • Outer Diameter: 12mm
  • Wall: 1.5mm
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Material Meets These Standard(s): ASTM-A519

12mm OD x 1.5mm Wall x 9mm ID Alloy Steel Round Tube 4140 Metric 36" Length [+/- 2"] Part # 24665

12mm OD x 1.5mm Wall x 9mm ID Alloy Steel Round Tube 4140 Metric 36" Length [+/- 2"] -
Part #: 24665

Dimensions

  • Inner Diameter: 9mm
  • Outer Diameter: 12mm
  • Wall: 1.5mm
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alloy-steel-round-tube-4130-1superZoom
Material Meets These Standard(s): ASTM-A519

12mm OD x 1.5mm Wall x 9mm ID Alloy Steel Round Tube 4140 Metric 12" Length [+/- 2"] Part # 24664

12mm OD x 1.5mm Wall x 9mm ID Alloy Steel Round Tube 4140 Metric 12" Length [+/- 2"] -
Part #: 24664

Dimensions

  • Inner Diameter: 9mm
  • Outer Diameter: 12mm
  • Wall: 1.5mm
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Material Meets These Standard(s): ASTM-A519

14mm OD x 2mm Wall x 10mm ID Alloy Steel Round Tube 4140 Metric 36" Length [+/- 2"] Part # 24667

14mm OD x 2mm Wall x 10mm ID Alloy Steel Round Tube 4140 Metric 36" Length [+/- 2"] -
Part #: 24667

Dimensions

  • Inner Diameter: 10mm
  • Outer Diameter: 14mm
  • Wall: 2mm
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alloy-steel-round-tube-4130-1superZoom
Material Meets These Standard(s): ASTM-A519

14mm OD x 2mm Wall x 10mm ID Alloy Steel Round Tube 4140 Metric 12" Length [+/- 2"] Part # 24666

14mm OD x 2mm Wall x 10mm ID Alloy Steel Round Tube 4140 Metric 12" Length [+/- 2"] -
Part #: 24666

Dimensions

  • Inner Diameter: 10mm
  • Outer Diameter: 14mm
  • Wall: 2mm
View more product details Click for more details
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Material Meets These Standard(s): ASTM-A519

20mm OD x 2mm Wall x 16mm ID Alloy Steel Round Tube 4140 Metric 36" Length [+/- 2"] Pack of 2 Part # 27606

20mm OD x 2mm Wall x 16mm ID Alloy Steel Round Tube 4140 Metric 36" Length [+/- 2"] Pack of 2 -
Part #: 27606

20mm OD x 2mm Wall x 16mm ID Alloy Steel Round Tube 4140 Metric 36" Length [+/- 2"] Part # 24669

20mm OD x 2mm Wall x 16mm ID Alloy Steel Round Tube 4140 Metric 36" Length [+/- 2"] -
Part #: 24669

Dimensions

  • Inner Diameter: 16mm
  • Outer Diameter: 20mm
  • Wall: 2mm
View more product details Click for more details
alloy-steel-round-tube-4130-1superZoom
Material Meets These Standard(s): ASTM-A519

20mm OD x 2mm Wall x 16mm ID Alloy Steel Round Tube 4140 Metric 12" Length [+/- 2"] Part # 24668

20mm OD x 2mm Wall x 16mm ID Alloy Steel Round Tube 4140 Metric 12" Length [+/- 2"] -
Part #: 24668

Dimensions

  • Inner Diameter: 16mm
  • Outer Diameter: 20mm
  • Wall: 2mm
View more product details Click for more details
alloy-steel-round-tube-4130-1superZoom
Material Meets These Standard(s): ASTM-A519

25mm OD x 4mm Wall x 17mm ID Alloy Steel Round Tube 4140 Metric 12" Length [+/- 2"] Part # 24671

25mm OD x 4mm Wall x 17mm ID Alloy Steel Round Tube 4140 Metric 12" Length [+/- 2"] -
Part #: 24671

Dimensions

  • Inner Diameter: 17mm
  • Outer Diameter: 25mm
  • Wall: 4mm
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Material Meets These Standard(s): ASTM-A519

25mm OD x 2mm Wall x 21mm ID Alloy Steel Round Tube 4140 Metric 12" Length [+/- 2"] Part # 24670

25mm OD x 2mm Wall x 21mm ID Alloy Steel Round Tube 4140 Metric 12" Length [+/- 2"] -
Part #: 24670

Dimensions

  • Inner Diameter: 21mm
  • Outer Diameter: 25mm
  • Wall: 2mm
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Material Meets These Standard(s): ASTM-A519

30mm OD x 2mm Wall x 26mm ID Alloy Steel Round Tube 4140 Metric 12" Length [+/- 2"] Part # 24672

30mm OD x 2mm Wall x 26mm ID Alloy Steel Round Tube 4140 Metric 12" Length [+/- 2"] -
Part #: 24672

Dimensions

  • Inner Diameter: 26mm
  • Outer Diameter: 30mm
  • Wall: 2mm
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Material Meets These Standard(s): ASTM-A519

40mm OD x 3mm Wall x 34mm ID Alloy Steel Round Tube 4140 Metric 72" Length [+/- 2"] Part # 27592

40mm OD x 3mm Wall x 34mm ID Alloy Steel Round Tube 4140 Metric 72" Length [+/- 2"] -
Part #: 27592

Dimensions

  • Inner Diameter: 34mm
  • Outer Diameter: 40mm
  • Wall: 3mm
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alloy-steel-round-tube-4130-1superZoom
Material Meets These Standard(s): ASTM-A519

40mm OD x 3mm Wall x 34mm ID Alloy Steel Round Tube 4140 Metric 12" Length [+/- 2"] Part # 24673

40mm OD x 3mm Wall x 34mm ID Alloy Steel Round Tube 4140 Metric 12" Length [+/- 2"] -
Part #: 24673

Dimensions

  • Inner Diameter: 34mm
  • Outer Diameter: 40mm
  • Wall: 3mm
View more product details Click for more details
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Material Meets These Standard(s): ASTM-A519

3/4" OD x 0.095" Wall x 0.56" ID Alloy Steel Round Tube 4130-Cond. N Seamless Part # 9879

3/4" OD x 0.095" Wall x 0.56" ID Alloy Steel Round Tube 4130-Cond. N Seamless -
Part #: 9879

QTY

Update
$32.84 for 1
$32.84 ea.

Dimensions

  • Temper: Cond. N
  • Inner Diameter: 0.56"
  • Outer Diameter: 0.75"
  • Wall: 0.095"
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Key Features

CUSTOM CUT MTR FREEMTRAvailable
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1 1/8" OD x 0.058" Wall x 1.009" ID Alloy Steel Round Tube 4130-Cond. N Seamless Part # 9869

1 1/8" OD x 0.058" Wall x 1.009" ID Alloy Steel Round Tube 4130-Cond. N Seamless -
Part #: 9869

QTY

Update
$11.95 for 1
$11.95 ea.

Dimensions

  • Temper: Cond. N
  • Inner Diameter: 1.009"
  • Outer Diameter: 1.125"
  • Wall: 0.058"
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Key Features

CUSTOM CUT MTR FREEMTRAvailable
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2" OD x 0.188" Wall x 1.624" ID Alloy Steel Round Tube 4130-Cond. N Seamless Part # 9570

2" OD x 0.188" Wall x 1.624" ID Alloy Steel Round Tube 4130-Cond. N Seamless -
Part #: 9570

QTY

Update
$60.11 for 1
$60.11 ea.

Dimensions

  • Temper: Cond. N
  • Inner Diameter: 1.624"
  • Outer Diameter: 2"
  • Wall: 0.188"
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Key Features

CUSTOM CUT MTR FREEMTRAvailable
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3/4" OD x 0.1875" Wall x 0.375" ID Alloy Steel Round Tube 4130-Cond. N Seamless Part # 9568

3/4" OD x 0.1875" Wall x 0.375" ID Alloy Steel Round Tube 4130-Cond. N Seamless -
Part #: 9568

QTY

Update
$40.45 for 1
$40.45 ea.

Dimensions

  • Temper: Cond. N
  • Inner Diameter: 0.375"
  • Outer Diameter: 0.75"
  • Wall: 0.1875"
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Key Features

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

7/8" OD x 0.083" Wall x 0.709" ID Alloy Steel Round Tube 4130-Cond. N Seamless Part # 9567

7/8" OD x 0.083" Wall x 0.709" ID Alloy Steel Round Tube 4130-Cond. N Seamless -
Part #: 9567

QTY

Update
$38.63 for 1
$38.63 ea.

Dimensions

  • Temper: Cond. N
  • Inner Diameter: 0.709"
  • Outer Diameter: 0.875"
  • Wall: 0.083"
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Key Features

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

1 5/8" OD x 0.058" Wall x 1.509" ID Alloy Steel Round Tube 4130-Cond. N Seamless Part # 7866

1 5/8" OD x 0.058" Wall x 1.509" ID Alloy Steel Round Tube 4130-Cond. N Seamless -
Part #: 7866

QTY

Update
$19.66 for 1
$19.66 ea.

Dimensions

  • Temper: Cond. N
  • Inner Diameter: 1.509"
  • Outer Diameter: 1.625"
  • Wall: 0.058"
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Key Features

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

3/4" OD x 0.12" Wall x 0.51" ID Alloy Steel Round Tube 4130-Cond. N Seamless Part # 7679

3/4" OD x 0.12" Wall x 0.51" ID Alloy Steel Round Tube 4130-Cond. N Seamless -
Part #: 7679

QTY

Update
$21.35 for 1
$21.35 ea.

Dimensions

  • Temper: Cond. N
  • Inner Diameter: 0.51"
  • Outer Diameter: 0.75"
  • Wall: 0.12"
View more product details Click for more details
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Key Features

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

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