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Standard Modulus Carbon

Standard Modulus Carbon

Square carbon fiber tubing ◾ Standard modulus ◾ Multiple sizes and wall thickness options available

The uses of square composite tubing are as limitless as your imagination. Our shaped tubes are perfect for designs where "clocking" is important. Standard dimensions allow you to use standard components. The radiused corners help reduce stress concentrations. We offer a huge selection of carbon fiber and other composite materials. Plus, we can cut and machine most tubes to order.

Material Highlights
Square Tube Highlights
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36 item(s)

  • P/N
    Inside Dimension
    Outside Dimension
    Wall
    Length (max continuous)
    Pattern
    Materials
    Price
    1. T-SQR-157
      Inside Dimension:
      0.098
      Outside Dimension:
      0.157
      Wall:
      -
      Length (max continuous):
      78.000
      Pattern:
      Unidirectional
      Materials:
      SM Standard Modulus Carbon
      $25.99
    2. Tube - Square - Pultruded Unidirectional - 0.098 X 0.157 X 78 Inch
      Tube - Square - Pultruded Unidirectional - 0.098 X 0.157 X 78 Inch
      SKU: T-SQR-157

      Click "add/ customize" to add full lengths or to select your custom cut length preferences

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      $25.99
      SKU: T-SQR-157
    3. T-SQR-236
      Inside Dimension:
      0.157
      Outside Dimension:
      0.236
      Wall:
      -
      Length (max continuous):
      78.000
      Pattern:
      Unidirectional
      Materials:
      SM Standard Modulus Carbon
      $29.99
    4. Tube - Square - Pultruded Unidirectional - 0.157 x 0.236 x 78 Inch
      Tube - Square - Pultruded Unidirectional - 0.157 x 0.236 x 78 Inch
      SKU: T-SQR-236

      Click "add/ customize" to add full lengths or to select your custom cut length preferences

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      $29.99
      SKU: T-SQR-236
    5. T-SQR-315
      Inside Dimension:
      0.236
      Outside Dimension:
      0.315
      Wall:
      -
      Length (max continuous):
      78.000
      Pattern:
      Unidirectional
      Materials:
      SM Standard Modulus Carbon
      $36.99
    6. Tube - Square - Pultruded Unidirectional - 0.236 X 0.315 X 78 Inch
      Tube - Square - Pultruded Unidirectional - 0.236 X 0.315 X 78 Inch
      SKU: T-SQR-315

      Click "add/ customize" to add full lengths or to select your custom cut length preferences

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      $36.99
      SKU: T-SQR-315
    7. 25483-L12
      Inside Dimension:
      0.750
      Outside Dimension:
      0.830
      Wall:
      -
      Length (max continuous):
      12.000
      Pattern:
      3k 2X2 Twill Weave
      Materials:
      SM Standard Modulus Carbon
      $55.20
    8. 3 Twill Roll Wrapped Square Tubes
      Tube - Square - Fabric - 0.75 x 0.83 x 12 inch
      SKU: 25483-L12

      Click "add/ customize" to add full lengths or to select your custom cut length preferences

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      $55.20
      SKU: 25483-L12
    9. 25483-L32
      Inside Dimension:
      0.750
      Outside Dimension:
      0.830
      Wall:
      -
      Length (max continuous):
      32.000
      Pattern:
      3k 2X2 Twill Weave
      Materials:
      SM Standard Modulus Carbon
      $139.99
    10. 3 Twill Roll Wrapped Square Tubes
      Tube - Square - Fabric - 0.75 x 0.83 x 32 inch
      SKU: 25483-L32

      Click "add/ customize" to add full lengths or to select your custom cut length preferences

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      $139.99
      SKU: 25483-L32
    11. 25483
      Inside Dimension:
      0.750
      Outside Dimension:
      0.830
      Wall:
      -
      Length (max continuous):
      66.000
      Pattern:
      3k 2X2 Twill Weave
      Materials:
      SM Standard Modulus Carbon
      $167.99
    12. 3 Twill Roll Wrapped Square Tubes
      Tube - Square - Fabric - 0.75 x 0.83 x 66 inch
      SKU: 25483

      Click "add/ customize" to add full lengths or to select your custom cut length preferences

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      $167.99
      SKU: 25483
    13. 25484
      Inside Dimension:
      0.750
      Outside Dimension:
      0.880
      Wall:
      -
      Length (max continuous):
      66.000
      Pattern:
      3k 2X2 Twill Weave
      Materials:
      SM Standard Modulus Carbon
      $214.99
    14. 3 Twill Roll Wrapped Square Tubes
      Tube - Square - Fabric - 0.75 x 0.88 x 66 inch
      SKU: 25484

      Click "add/ customize" to add full lengths or to select your custom cut length preferences

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      $214.99
      SKU: 25484
    15. 25486
      Inside Dimension:
      0.875
      Outside Dimension:
      1.000
      Wall:
      -
      Length (max continuous):
      66.000
      Pattern:
      3k 2X2 Twill Weave
      Materials:
      SM Standard Modulus Carbon
      $214.99
    16. 3 Twill Roll Wrapped Square Tubes
      Tube - Square - Fabric - 0.875 x 1.00 x 66 inch
      SKU: 25486

      Click "add/ customize" to add full lengths or to select your custom cut length preferences

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      $214.99
      SKU: 25486
    17. 25485
      Inside Dimension:
      0.875
      Outside Dimension:
      0.950
      Wall:
      -
      Length (max continuous):
      66.000
      Pattern:
      3k 2X2 Twill Weave
      Materials:
      SM Standard Modulus Carbon
      $186.99
    18. 3 Twill Roll Wrapped Square Tubes
      Tube - Square - Fabric - 0.875 x 0.95 x 66 inch
      SKU: 25485

      Click "add/ customize" to add full lengths or to select your custom cut length preferences

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      $186.99
      SKU: 25485
    19. 25535
      Inside Dimension:
      0.875
      Outside Dimension:
      1.058
      Wall:
      -
      Length (max continuous):
      66.000
      Pattern:
      3k 2X2 Twill Weave
      Materials:
      SM Standard Modulus Carbon
      $207.99
    20. 3 Twill Roll Wrapped Square Tubes
      Tube - Square - Fabric - 0.875 x 1.058 x 66 inch
      SKU: 25535

      Click "add/ customize" to add full lengths or to select your custom cut length preferences

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      $207.99
      SKU: 25535
    21. 25520
      Inside Dimension:
      0.958
      Outside Dimension:
      1.080
      Wall:
      -
      Length (max continuous):
      79.000
      Pattern:
      3k 2X2 Twill Weave
      Materials:
      SM Standard Modulus Carbon
      $239.99
    22. 3 Twill Roll Wrapped Square Tubes
      Tube - Square - Twill - Standard Modulus - 0.958 x 1.080 x 79 Inch
      SKU: 25520

      Click "add/ customize" to add full lengths or to select your custom cut length preferences

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      $239.99
      SKU: 25520
    23. 25487-LONG
      Inside Dimension:
      1.000
      Outside Dimension:
      1.080
      Wall:
      -
      Length (max continuous):
      102.250
      Pattern:
      3k 2X2 Twill Weave
      Materials:
      SM Standard Modulus Carbon
      $318.99
    24. 3 Twill Roll Wrapped Square Tubes
      Tube - Square - Fabric - 1.00 x 1.08 x 102.25 inch
      SKU: 25487-LONG

      Click "add/ customize" to add full lengths or to select your custom cut length preferences

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      $318.99
      SKU: 25487-LONG
    25. 25487-L12
      Inside Dimension:
      1.000
      Outside Dimension:
      1.080
      Wall:
      -
      Length (max continuous):
      12.000
      Pattern:
      3k 2X2 Twill Weave
      Materials:
      SM Standard Modulus Carbon
      $65.76
    26. 3 Twill Roll Wrapped Square Tubes
      Tube - Square - Fabric - 1.00 x 1.08 x 12 inch
      SKU: 25487-L12

      Click "add/ customize" to add full lengths or to select your custom cut length preferences

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      $65.76
      SKU: 25487-L12
    27. 25487-L32
      Inside Dimension:
      1.000
      Outside Dimension:
      1.080
      Wall:
      -
      Length (max continuous):
      32.000
      Pattern:
      3k 2X2 Twill Weave
      Materials:
      SM Standard Modulus Carbon
      $166.39
    28. 3 Twill Roll Wrapped Square Tubes
      Tube - Square - Fabric - 1.00 x 1.08 x 32 inch
      SKU: 25487-L32

      Click "add/ customize" to add full lengths or to select your custom cut length preferences

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      $166.39
      SKU: 25487-L32
    29. 25488-LONG
      Inside Dimension:
      1.000
      Outside Dimension:
      1.130
      Wall:
      -
      Length (max continuous):
      100.000
      Pattern:
      3k 2X2 Twill Weave
      Materials:
      SM Standard Modulus Carbon
      $442.95
    30. 3 Twill Roll Wrapped Square Tubes
      Tube - Square - Fabric - 1.00 x 1.13 x 100 Inch [Built To Order]
      SKU: 25488-LONG

      Click "add/ customize" to add full lengths or to select your custom cut length preferences

       Learn More
      $442.95
      SKU: 25488-LONG
    31. 25488
      Inside Dimension:
      1.000
      Outside Dimension:
      1.130
      Wall:
      -
      Length (max continuous):
      66.000
      Pattern:
      3k 2X2 Twill Weave
      Materials:
      SM Standard Modulus Carbon
      $229.99
    32. 3 Twill Roll Wrapped Square Tubes
      Tube - Square - Fabric - 1.00 x 1.13 x 66 inch
      SKU: 25488

      Click "add/ customize" to add full lengths or to select your custom cut length preferences

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      $229.99
      SKU: 25488
    33. 25487
      Inside Dimension:
      1.000
      Outside Dimension:
      1.080
      Wall:
      -
      Length (max continuous):
      66.000
      Pattern:
      3k 2X2 Twill Weave
      Materials:
      SM Standard Modulus Carbon
      $202.99
    34. 3 Twill Roll Wrapped Square Tubes
      Tube - Square - Fabric - 1.00 x 1.08 x 66 inch
      SKU: 25487

      Click "add/ customize" to add full lengths or to select your custom cut length preferences

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      $202.99
      SKU: 25487
    35. 25490
      Inside Dimension:
      1.125
      Outside Dimension:
      1.245
      Wall:
      -
      Length (max continuous):
      66.000
      Pattern:
      3k 2X2 Twill Weave
      Materials:
      SM Standard Modulus Carbon
      $239.99
    36. 3 Twill Roll Wrapped Square Tubes
      Tube - Square - Fabric - 1.125 x 1.25 x 66 inch
      SKU: 25490

      Click "add/ customize" to add full lengths or to select your custom cut length preferences

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      $239.99
      SKU: 25490
    37. 25489
      Inside Dimension:
      1.125
      Outside Dimension:
      1.210
      Wall:
      -
      Length (max continuous):
      66.000
      Pattern:
      3k 2X2 Twill Weave
      Materials:
      SM Standard Modulus Carbon
      $230.99
    38. 3 Twill Roll Wrapped Square Tubes
      Tube - Square - Fabric - 1.125 x 1.21 x 66 inch
      SKU: 25489

      Click "add/ customize" to add full lengths or to select your custom cut length preferences

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      $230.99
      SKU: 25489
    39. 25492-L12
      Inside Dimension:
      1.250
      Outside Dimension:
      1.380
      Wall:
      -
      Length (max continuous):
      12.000
      Pattern:
      3k 2X2 Twill Weave
      Materials:
      SM Standard Modulus Carbon
      $83.84
    40. 3 Twill Roll Wrapped Square Tubes
      Tube - Square - Fabric - 1.25 x 1.38 x 12 inch
      SKU: 25492-L12

      Click "add/ customize" to add full lengths or to select your custom cut length preferences

       Learn More
      $83.84
      SKU: 25492-L12
    41. 25492-L32
      Inside Dimension:
      1.250
      Outside Dimension:
      1.380
      Wall:
      -
      Length (max continuous):
      32.000
      Pattern:
      3k 2X2 Twill Weave
      Materials:
      SM Standard Modulus Carbon
      $213.59
    42. 3 Twill Roll Wrapped Square Tubes
      Tube - Square - Fabric - 1.25 x 1.38 x 32 inch
      SKU: 25492-L32

      Click "add/ customize" to add full lengths or to select your custom cut length preferences

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      $213.59
      SKU: 25492-L32
    43. 25495
      Inside Dimension:
      1.250
      Outside Dimension:
      1.500
      Wall:
      -
      Length (max continuous):
      66.000
      Pattern:
      3k 2X2 Twill Weave
      Materials:
      SM Standard Modulus Carbon
      $622.99
    44. 3 Twill Roll Wrapped Square Tubes
      Tube - Square - Fabric - 1.25 x 1.50 x 66 inch
      SKU: 25495

      Click "add/ customize" to add full lengths or to select your custom cut length preferences

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      $622.99
      SKU: 25495
    45. 25492
      Inside Dimension:
      1.250
      Outside Dimension:
      1.380
      Wall:
      -
      Length (max continuous):
      66.000
      Pattern:
      3k 2X2 Twill Weave
      Materials:
      SM Standard Modulus Carbon
      $264.99
    46. 3 Twill Roll Wrapped Square Tubes
      Tube - Square - Fabric - 1.25 x 1.38 x 66 inch
      SKU: 25492

      Click "add/ customize" to add full lengths or to select your custom cut length preferences

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      $264.99
      SKU: 25492
    47. 25491
      Inside Dimension:
      1.250
      Outside Dimension:
      1.320
      Wall:
      -
      Length (max continuous):
      66.000
      Pattern:
      3k 2X2 Twill Weave
      Materials:
      SM Standard Modulus Carbon
      $234.99
    48. 3 Twill Roll Wrapped Square Tubes
      Tube - Square - Fabric - 1.25 x 1.32 x 66 inch
      SKU: 25491

      Click "add/ customize" to add full lengths or to select your custom cut length preferences

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      $234.99
      SKU: 25491
    49. 25494
      Inside Dimension:
      1.375
      Outside Dimension:
      1.495
      Wall:
      -
      Length (max continuous):
      66.000
      Pattern:
      3k 2X2 Twill Weave
      Materials:
      SM Standard Modulus Carbon
      $286.99
    50. 3 Twill Roll Wrapped Square Tubes
      Tube - Square - Fabric - 1.375 x 1.50 x 66 inch
      SKU: 25494

      Click "add/ customize" to add full lengths or to select your custom cut length preferences

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      $286.99
      SKU: 25494
    51. 25493
      Inside Dimension:
      1.375
      Outside Dimension:
      1.455
      Wall:
      -
      Length (max continuous):
      66.000
      Pattern:
      3k 2X2 Twill Weave
      Materials:
      SM Standard Modulus Carbon
      $457.99 $667.99
    52. Built To Order
      3 Twill Roll Wrapped Square Tubes
      Tube - Square - Fabric - 1.375 x 1.45 x 66 inch [Built To Order]
      SKU: 25493
      Learn More
      $457.99 $667.99
      SKU: 25493
    53. 25498
      Inside Dimension:
      1.500
      Outside Dimension:
      1.620
      Wall:
      -
      Length (max continuous):
      66.000
      Pattern:
      3k 2X2 Twill Weave
      Materials:
      SM Standard Modulus Carbon
      $318.99
    54. 3 Twill Roll Wrapped Square Tubes
      Tube - Square - Fabric - 1.50 x 1.63 x 66 inch
      SKU: 25498

      Click "add/ customize" to add full lengths or to select your custom cut length preferences

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      $318.99
      SKU: 25498
    55. 25497
      Inside Dimension:
      1.500
      Outside Dimension:
      1.580
      Wall:
      -
      Length (max continuous):
      66.000
      Pattern:
      3k 2X2 Twill Weave
      Materials:
      SM Standard Modulus Carbon
      $511.99
    56. Built To Order
      3 Twill Roll Wrapped Square Tubes
      Tube - Square - Fabric - 1.50 x 1.58 x 66 inch [BUILT TO ORDER]
      SKU: 25497

      Click "add/ customize" to add full lengths or to select your custom cut length preferences

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      $511.99
      SKU: 25497
    57. 25518-LONG
      Inside Dimension:
      1.750
      Outside Dimension:
      2.000
      Wall:
      -
      Length (max continuous):
      120.000
      Pattern:
      3k 2X2 Twill Weave
      Materials:
      SM Standard Modulus Carbon
      $909.99
    58. Tube - Square - Twill - Standard Modulus - 1.75 x 2.0 x 120 inch
      Tube - Square - Twill - Standard Modulus - 1.75 x 2.0 x 120 inch
      SKU: 25518-LONG

      Click "add/ customize" to add full lengths or to select your custom cut length preferences

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      $909.99
      SKU: 25518-LONG
    59. 25526-F
      Inside Dimension:
      1.750
      Outside Dimension:
      1.980
      Wall:
      -
      Length (max continuous):
      12.000
      Pattern:
      3k 2X2 Twill Weave
      Materials:
      SM Standard Modulus Carbon
      $163.99
    60. Tube - Square - Twill - Standard Modulus - Grit Blasted / Bond Ready - 1.75 x 1.980 x 12 inch [Built to Order]
      Tube - Square - Twill - Standard Modulus - Grit Blasted / Bond Ready - 1.75 x 1.980 x 12 inch [Built to Order]
      SKU: 25526-F

      Click "add/ customize" to add full lengths or to select your custom cut length preferences

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      $163.99
      SKU: 25526-F
    61. 25526
      Inside Dimension:
      1.750
      Outside Dimension:
      1.980
      Wall:
      -
      Length (max continuous):
      54.000
      Pattern:
      3k 2X2 Twill Weave
      Materials:
      SM Standard Modulus Carbon
      $795.99
    62. Built To Order
      Tube - Square - Twill - Standard Modulus - 1.75 x 1.980 x 54 inch [BUILT TO ORDER]
      Tube - Square - Twill - Standard Modulus - 1.75 x 1.980 x 54 inch [BUILT TO ORDER]
      SKU: 25526

      Click "add/ customize" to add full lengths or to select your custom cut length preferences

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      $795.99
      SKU: 25526
    63. 25500
      Inside Dimension:
      1.750
      Outside Dimension:
      1.870
      Wall:
      -
      Length (max continuous):
      54.000
      Pattern:
      3k 2X2 Twill Weave
      Materials:
      SM Standard Modulus Carbon
      $513.99
    64. Built To Order
      3 Twill Roll Wrapped Square Tubes
      Tube - Square - Fabric - 1.75 x 1.88 x 54 inch [BUILT TO ORDER]
      SKU: 25500

      Click "add/ customize" to add full lengths or to select your custom cut length preferences

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      $513.99
      SKU: 25500
    65. 25523
      Inside Dimension:
      2.000
      Outside Dimension:
      2.280
      Wall:
      -
      Length (max continuous):
      66.000
      Pattern:
      3k 2X2 Twill Weave
      Materials:
      SM Standard Modulus Carbon
      $829.99
    66. Built To Order
      3 Twill Roll Wrapped Square Tubes
      Tube - Square- Fabric - 2.00 x 2.28 x 66 inch (Built To Order)
      SKU: 25523

      Click "add/ customize" to add full lengths or to select your custom cut length preferences

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      $829.99
      SKU: 25523
    67. 25504
      Inside Dimension:
      2.000
      Outside Dimension:
      2.130
      Wall:
      -
      Length (max continuous):
      66.000
      Pattern:
      3k 2X2 Twill Weave
      Materials:
      SM Standard Modulus Carbon
      $391.99
    68. 3 Twill Roll Wrapped Square Tubes
      Tube - Square- Fabric - 2.00 x 2.13 x 66 inch
      SKU: 25504

      Click "add/ customize" to add full lengths or to select your custom cut length preferences

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      $391.99
      SKU: 25504
    69. 25516
      Inside Dimension:
      3.985
      Outside Dimension:
      4.120
      Wall:
      -
      Length (max continuous):
      66.000
      Pattern:
      3k 2X2 Twill Weave
      Materials:
      SM Standard Modulus Carbon
      $1,276.99
    70. 3 Twill Roll Wrapped Square Tubes
      Tube - Square - Fabric - 3.985 x 4.12 x 66 inch
      SKU: 25516

      Click "add/ customize" to add full lengths or to select your custom cut length preferences

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      $1,276.99
      SKU: 25516
    71. 25517
      Inside Dimension:
      3.985
      Outside Dimension:
      4.220
      Wall:
      -
      Length (max continuous):
      66.000
      Pattern:
      3k 2X2 Twill Weave
      Materials:
      SM Standard Modulus Carbon
      $1,778.99
    72. Built To Order
      3 Twill Roll Wrapped Square Tubes
      Tube - Square - Fabric - 3.985 x 4.22 x 66 inch [BUILT TO ORDER]
      SKU: 25517

      Click "add/ customize" to add full lengths or to select your custom cut length preferences

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      $1,778.99
      SKU: 25517
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    36 item(s)

    Show Shopping Options
    Shopping Options
    Inside Dimension
    -
    Outside Dimension
    -
    Pattern
    Unidirectional 3 items
    3k 2X2 Twill Weave 33 items
    Tensile Modulus (Stiffness), msi
    -
    Surface Finish (exterior)
    1. Cello Wrap Gloss 32 items
    2. Sanded Smooth 3 items
    3. Textured 1 item