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Alloy Steel Round Tube 4130

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25-06-2025 - alloy steel tube-round 4130 - 1000x1000superZoom-main

Alloy Steel Round Tube 4130

4130 chromoly round tubing is highly versatile and used for a wide range of applications including automotive, aerospace, bicycling, construction, and firearm projects. 4130 tubing offers good strength, weldability, impact and abrasion resistance while also being easy to machine. Stronger than carbon steel, the thinner-walled 4130 round tubing can be used for the same purpose, allowing the part to have a lighter weight. We offer 4130 tubing stock in standard and custom-cut lengths. Price and order online or call us for a quote today!

 

 

4130 Chromoly Round Tube is stocked in Portland, Toledo, Wallingford, Los Angeles, Dallas and Atlanta.

 

We also carry 4130 Tubing in Rectangle, Square or Streamline

Material Properties

Link Icon Alloy Steel 4130 Product Guide | Link Icon Alloy Steel 4130 Round Tube Tolerances

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7/16" OD x 0.049" Wall x 0.34" ID Alloy Steel Round Tube 4130-Cond. N Seamless Part # 21367

7/16" OD x 0.049" Wall x 0.34" ID Alloy Steel Round Tube 4130-Cond. N Seamless -
Part #: 21367
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
$11.44 for 1
$11.44 ea.

Dimensions

  • Outer Diameter: 0.438"
  • Wall: 0.049"
  • Inner Diameter: 0.34"
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alloy-steel-round-tube-4130-1superZoom-desk21367

7/16" OD x 0.058" Wall x 0.322" ID Alloy Steel Round Tube 4130-Cond. N Seamless Part # 21368

7/16" OD x 0.058" Wall x 0.322" ID Alloy Steel Round Tube 4130-Cond. N Seamless -
Part #: 21368
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
$12.91 for 1
$12.91 ea.

Dimensions

  • Outer Diameter: 0.438"
  • Wall: 0.058"
  • Inner Diameter: 0.322"
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alloy-steel-round-tube-4130-1superZoom-mob{product.code}

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CUSTOM CUT MTR FREE MTR Available
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alloy-steel-round-tube-4130-1superZoom-desk21368

3/8" OD x 0.12" Wall x 0.135" ID Alloy Steel Round Tube 4130-Cond. N Seamless Part # 21365

3/8" OD x 0.12" Wall x 0.135" ID Alloy Steel Round Tube 4130-Cond. N Seamless -
Part #: 21365
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
$27.19 for 1
$27.19 ea.

Dimensions

  • Outer Diameter: 0.375"
  • Wall: 0.12"
  • Inner Diameter: 0.13500000000000001"
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alloy-steel-round-tube-4130-1superZoom-mob{product.code}

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CUSTOM CUT MTR FREE MTR Available
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alloy-steel-round-tube-4130-1superZoom-desk21365

7/16" OD x 0.065" Wall x 0.308" ID Alloy Steel Round Tube 4130-Cond. N Seamless Part # 21369

7/16" OD x 0.065" Wall x 0.308" ID Alloy Steel Round Tube 4130-Cond. N Seamless -
Part #: 21369
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
$14.80 for 1
$14.80 ea.

Dimensions

  • Outer Diameter: 0.438"
  • Wall: 0.065"
  • Inner Diameter: 0.308"
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alloy-steel-round-tube-4130-1superZoom-mob{product.code}

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alloy-steel-round-tube-4130-1superZoom-desk21369

7/16" OD x 0.12" Wall x 0.198" ID Alloy Steel Round Tube 4130-Cond. N Seamless Part # 21371

7/16" OD x 0.12" Wall x 0.198" ID Alloy Steel Round Tube 4130-Cond. N Seamless -
Part #: 21371
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
$30.93 for 1
$30.93 ea.

Dimensions

  • Outer Diameter: 0.438"
  • Wall: 0.12"
  • Inner Diameter: 0.198"
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alloy-steel-round-tube-4130-1superZoom-mob{product.code}

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alloy-steel-round-tube-4130-1superZoom-desk21371

7/16" OD x 0.134" Wall x 0.17" ID Alloy Steel Round Tube 4130-Cond. N Seamless Part # 21372

7/16" OD x 0.134" Wall x 0.17" ID Alloy Steel Round Tube 4130-Cond. N Seamless -
Part #: 21372
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
$141.06 for 1
$141.06 ea.

Dimensions

  • Outer Diameter: 0.438"
  • Wall: 0.134"
  • Inner Diameter: 0.17"
Click for more details
alloy-steel-round-tube-4130-1superZoom-mob{product.code}

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CUSTOM CUT MTR FREE MTR Available
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alloy-steel-round-tube-4130-1superZoom-desk21372

7/16" OD x 0.083" Wall x 0.272" ID Alloy Steel Round Tube 4130-Cond. N Seamless Part # 21370

7/16" OD x 0.083" Wall x 0.272" ID Alloy Steel Round Tube 4130-Cond. N Seamless -
Part #: 21370
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
$28.69 for 1
$28.69 ea.

Dimensions

  • Outer Diameter: 0.438"
  • Wall: 0.083"
  • Inner Diameter: 0.272"
Click for more details
alloy-steel-round-tube-4130-1superZoom-mob{product.code}

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CUSTOM CUT MTR FREE MTR Available
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alloy-steel-round-tube-4130-1superZoom-desk21370

5/16" OD x 0.049" Wall x 0.214" ID Alloy Steel Round Tube 4130-Cond. N Seamless Part # 21376

5/16" OD x 0.049" Wall x 0.214" ID Alloy Steel Round Tube 4130-Cond. N Seamless -
Part #: 21376
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
$32.92 for 1
$32.92 ea.

Dimensions

  • Outer Diameter: 0.313"
  • Wall: 0.049"
  • Inner Diameter: 0.214"
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alloy-steel-round-tube-4130-1superZoom-mob{product.code}

Key Features

CUSTOM CUT MTR FREE MTR Available
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alloy-steel-round-tube-4130-1superZoom-desk21376

1/2" OD x 0.188" Wall x 0.124" ID Alloy Steel Round Tube 4130-Cond. N Seamless Part # 21420

1/2" OD x 0.188" Wall x 0.124" ID Alloy Steel Round Tube 4130-Cond. N Seamless -
Part #: 21420
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
$41.33 for 1
$41.33 ea.

Dimensions

  • Outer Diameter: 0.5"
  • Wall: 0.188"
  • Inner Diameter: 0.124"
Click for more details
alloy-steel-round-tube-4130-1superZoom-mob{product.code}

Key Features

CUSTOM CUT MTR FREE MTR Available
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alloy-steel-round-tube-4130-1superZoom-desk21420

5/8" OD x 0.028" Wall x 0.569" ID Alloy Steel Round Tube 4130-Cond. N Seamless Part # 21421

5/8" OD x 0.028" Wall x 0.569" ID Alloy Steel Round Tube 4130-Cond. N Seamless -
Part #: 21421
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
$38.22 for 1
$38.22 ea.

Dimensions

  • Outer Diameter: 0.625"
  • Wall: 0.028"
  • Inner Diameter: 0.569"
Click for more details
alloy-steel-round-tube-4130-1superZoom-mob{product.code}

Key Features

CUSTOM CUT MTR FREE MTR Available
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alloy-steel-round-tube-4130-1superZoom-desk21421

5/8" OD x 0.095" Wall x 0.435" ID Alloy Steel Round Tube 4130-Cond. N Seamless Part # 21423

5/8" OD x 0.095" Wall x 0.435" ID Alloy Steel Round Tube 4130-Cond. N Seamless -
Part #: 21423
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
$18.90 for 1
$18.90 ea.

Dimensions

  • Outer Diameter: 0.625"
  • Wall: 0.095"
  • Inner Diameter: 0.435"
Click for more details
alloy-steel-round-tube-4130-1superZoom-mob{product.code}

Key Features

CUSTOM CUT MTR FREE MTR Available
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alloy-steel-round-tube-4130-1superZoom-desk21423

1/2" OD x 0.083" Wall x 0.334" ID Alloy Steel Round Tube 4130-Cond. N Seamless Part # 21418

1/2" OD x 0.083" Wall x 0.334" ID Alloy Steel Round Tube 4130-Cond. N Seamless -
Part #: 21418
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
$20.32 for 1
$20.32 ea.

Dimensions

  • Outer Diameter: 0.5"
  • Wall: 0.083"
  • Inner Diameter: 0.334"
Click for more details
alloy-steel-round-tube-4130-1superZoom-mob{product.code}

Key Features

CUSTOM CUT MTR FREE MTR Available
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alloy-steel-round-tube-4130-1superZoom-desk21418

5/8" OD x 0.083" Wall x 0.459" ID Alloy Steel Round Tube 4130-Cond. N Seamless Part # 21424

5/8" OD x 0.083" Wall x 0.459" ID Alloy Steel Round Tube 4130-Cond. N Seamless -
Part #: 21424
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
$17.51 for 1
$17.51 ea.

Dimensions

  • Outer Diameter: 0.625"
  • Wall: 0.083"
  • Inner Diameter: 0.459"
Click for more details
alloy-steel-round-tube-4130-1superZoom-mob{product.code}

Key Features

CUSTOM CUT MTR FREE MTR Available
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alloy-steel-round-tube-4130-1superZoom-desk21424

5/8" OD x 0.12" Wall x 0.385" ID Alloy Steel Round Tube 4130-Cond. N Seamless Part # 21425

5/8" OD x 0.12" Wall x 0.385" ID Alloy Steel Round Tube 4130-Cond. N Seamless -
Part #: 21425
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
$28.60 for 1
$28.60 ea.

Dimensions

  • Outer Diameter: 0.625"
  • Wall: 0.12"
  • Inner Diameter: 0.385"
Click for more details
alloy-steel-round-tube-4130-1superZoom-mob{product.code}

Key Features

CUSTOM CUT MTR FREE MTR Available
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alloy-steel-round-tube-4130-1superZoom-desk21425

5/8" OD x 0.156" Wall x 0.312" ID Alloy Steel Round Tube 4130-Cond. N Seamless Part # 21426

5/8" OD x 0.156" Wall x 0.312" ID Alloy Steel Round Tube 4130-Cond. N Seamless -
Part #: 21426
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
$16.98 for 1
$16.98 ea.

Dimensions

  • Outer Diameter: 0.625"
  • Wall: 0.156"
  • Inner Diameter: 0.312"
Click for more details
alloy-steel-round-tube-4130-1superZoom-mob{product.code}

Key Features

CUSTOM CUT MTR FREE MTR Available
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alloy-steel-round-tube-4130-1superZoom-desk21426

5/8" OD x 0.188" Wall x 0.249" ID Alloy Steel Round Tube 4130-Cond. N Seamless Part # 21427

5/8" OD x 0.188" Wall x 0.249" ID Alloy Steel Round Tube 4130-Cond. N Seamless -
Part #: 21427
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
$18.97 for 1
$18.97 ea.

Dimensions

  • Outer Diameter: 0.625"
  • Wall: 0.188"
  • Inner Diameter: 0.249"
Click for more details
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Key Features

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alloy-steel-round-tube-4130-1superZoom-desk21427

3/4" OD x 0.156" Wall x 0.438" ID Alloy Steel Round Tube 4130-Cond. N Seamless Part # 21428

3/4" OD x 0.156" Wall x 0.438" ID Alloy Steel Round Tube 4130-Cond. N Seamless -
Part #: 21428
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
$35.25 for 1
$35.25 ea.

Dimensions

  • Outer Diameter: 0.75"
  • Wall: 0.156"
  • Inner Diameter: 0.438"
Click for more details
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Key Features

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alloy-steel-round-tube-4130-1superZoom-desk21428

7/8" OD x 0.095" Wall x 0.685" ID Alloy Steel Round Tube 4130-Cond. N Seamless Part # 21429

7/8" OD x 0.095" Wall x 0.685" ID Alloy Steel Round Tube 4130-Cond. N Seamless -
Part #: 21429
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
$35.15 for 1
$35.15 ea.

Dimensions

  • Outer Diameter: 0.875"
  • Wall: 0.095"
  • Inner Diameter: 0.685"
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alloy-steel-round-tube-4130-1superZoom-desk21429

7/8" OD x 0.156" Wall x 0.563" ID Alloy Steel Round Tube 4130-Cond. N Seamless Part # 21461

7/8" OD x 0.156" Wall x 0.563" ID Alloy Steel Round Tube 4130-Cond. N Seamless -
Part #: 21461
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
$36.61 for 1
$36.61 ea.

Dimensions

  • Outer Diameter: 0.875"
  • Wall: 0.156"
  • Inner Diameter: 0.563"
Click for more details
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alloy-steel-round-tube-4130-1superZoom-desk21461

1" OD x 0.028" Wall x 0.944" ID Alloy Steel Round Tube 4130-Cond. N Seamless Part # 21462

1" OD x 0.028" Wall x 0.944" ID Alloy Steel Round Tube 4130-Cond. N Seamless -
Part #: 21462
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
$18.21 for 1
$18.21 ea.

Dimensions

  • Outer Diameter: 1"
  • Wall: 0.028"
  • Inner Diameter: 0.944"
Click for more details
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alloy-steel-round-tube-4130-1superZoom-desk21462

1" OD x 0.188" Wall x 0.624" ID Alloy Steel Round Tube 4130-Cond. N Seamless Part # 21463

1" OD x 0.188" Wall x 0.624" ID Alloy Steel Round Tube 4130-Cond. N Seamless -
Part #: 21463
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
$60.04 for 1
$60.04 ea.

Dimensions

  • Outer Diameter: 1"
  • Wall: 0.188"
  • Inner Diameter: 0.624"
Click for more details
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alloy-steel-round-tube-4130-1superZoom-desk21463

1 1/8" OD x 0.065" Wall x 0.995" ID Alloy Steel Round Tube 4130-Cond. N Seamless Part # 21464

1 1/8" OD x 0.065" Wall x 0.995" ID Alloy Steel Round Tube 4130-Cond. N Seamless -
Part #: 21464
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
$39.85 for 1
$39.85 ea.

Dimensions

  • Outer Diameter: 1.125"
  • Wall: 0.065"
  • Inner Diameter: 0.995"
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alloy-steel-round-tube-4130-1superZoom-desk21464

1 1/4" OD x 0.156" Wall x 0.937" ID Alloy Steel Round Tube 4130-Cond. N Seamless Part # 21466

1 1/4" OD x 0.156" Wall x 0.937" ID Alloy Steel Round Tube 4130-Cond. N Seamless -
Part #: 21466
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
$53.62 for 1
$53.62 ea.

Dimensions

  • Outer Diameter: 1.25"
  • Wall: 0.156"
  • Inner Diameter: 0.937"
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alloy-steel-round-tube-4130-1superZoom-desk21466

1 1/4" OD x 0.188" Wall x 0.874" ID Alloy Steel Round Tube 4130-Cond. N Seamless Part # 21467

1 1/4" OD x 0.188" Wall x 0.874" ID Alloy Steel Round Tube 4130-Cond. N Seamless -
Part #: 21467
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
$60.34 for 1
$60.34 ea.

Dimensions

  • Outer Diameter: 1.25"
  • Wall: 0.188"
  • Inner Diameter: 0.874"
Click for more details
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alloy-steel-round-tube-4130-1superZoom-desk21467

1 1/4" OD x 0.375" Wall x 0.5" ID Alloy Steel Round Tube 4130-Cond. N Seamless Part # 21545

1 1/4" OD x 0.375" Wall x 0.5" ID Alloy Steel Round Tube 4130-Cond. N Seamless -
Part #: 21545
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
$100.39 for 1
$100.39 ea.

Dimensions

  • Outer Diameter: 1.25"
  • Wall: 0.375"
  • Inner Diameter: 0.5"
Click for more details
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