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Solid Flat Carbon Rods

Solid flat carbon rods, like solid round carbon rods, are made of unidirectionally-oriented carbon fibers and resin and are extremely linearly strong. Also known as flat graphite bars, solid flat carbon rods bend easily on the flat side and are rigid on the narrow side, making them great support or strengthening rods for any applications for which a flat, rather than round profile is preferable.

These carbon composite bars are available in a wide variety of widths and thicknesses. All lengths listed are +/- 0.062″ and all diameters listed are within +/- 0.005″. If you are interested in custom lengths or custom machining, please contact us at [email protected] or 206-632-6151 to speak to a composites engineer.

Click on the product number to view details, product pictures, related products, and more!

Metric
SAE

Fraction to Decimal Conversions:

CF106035048

.106" x .035" x 48" Solid Flat Carbon
.106"
.035"
48"
0.146 oz
$6.37
$5.63
$5.23
$4.88
$4.58

CF125020048

.125" x .020" x 48" Solid Flat Carbon
.125"
.020"
48"
0.111 oz
$6.80
$6.02
$5.59
$5.21
$4.88

CF166040048

.166" x .040" x 48" Solid Flat Carbon
.166"
.040"
48"
0.290 oz
$9.38
$8.29
$7.70
$7.19
$6.74

CF177057048

.177" x .057" x 48" Solid Flat Carbon
.177"
.057"
48"
0.437 oz
$9.10
$8.04
$7.47
$6.97
$6.53

CF188188048

.188" x .188" x 48" Solid Square Carbon
.188"
.188"
48"
1.386 oz
$4.59
$4.59
$4.59
$4.59
$4.59

CF220092048

.220" x .092" x 48" Solid Flat Carbon - Temporarily Out of Stock
.220"
.092"
48"
0.829 oz
$18.41
$16.29
$15.13
$14.12
$13.24
Out of Stock

CF250200048

.250" x .200" x 48" Solid Flat Carbon
.250"
.200"
48"
2.022 oz
$39.94
$35.33
$32.81
$30.62
$28.71

CF312032048

.312" x .032" x 48" Solid Flat Carbon
.312"
.032"
48"
0.376 oz
$11.87
$10.49
$9.75
$9.10
$8.53

CF325125048

.325" x .125" x 48" Solid Flat Carbon
.325"
.125"
48"
1.646 oz
$26.50
$23.44
$21.77
$20.32
$19.05

CF325187048

.325" x .187" x 48" Solid Flat Carbon
.325"
.187"
48"
2.478 oz
$34.73
$30.72
$28.52
$26.62
$24.96

CF375125048

.375" x .125" x 48" Solid Flat Carbon
.375"
.125"
48"
2.002 oz
$44.13
$39.04
$36.25
$33.84
$31.72

CF437070048

.437" x .070" x 48" Solid Flat Carbon
.437"
.070"
48"
1.280 oz
$21.77
$19.25
$17.88
$16.69
$15.64

CF500125048

.500" x .125" x 48" Solid Flat Carbon
.500"
.125"
48"
2.600 oz
$41.18
$36.43
$33.83
$31.57
$29.60

CF787196048

.787" x .196" x 48" Solid Flat Carbon
.787"
.196"
48"
6.197 oz
$81.83
$72.39
$67.22
$62.74
$58.82

Carbon Rods less than .156"

Minimum PropertiesStandard Modulus
Tensile Strength320 ksi / 2.34 GPa
Tensile Modulus19.5 msi / 134 GPa
Compressive Strength270 ksi / 1.90 GPa
Compressive Modulus19.0 msi / 131 GPa
Fiber Volume67%
Ultimate Tensile Strain1.30%
Diameter Tolerance+/-5%
Glass Transition Temperature100° C
Matrix MaterialBis F Epoxy

Carbon Rods greater than .156"

Minimum Properties
Tensile Strength250 ksi / 1.72 GPa
Tensile Modulus20.0 msi / 138 GPa
Ultimate Shear Strength6.0 ksi / 41.3 Mpa
Ultimate Tensile Strain1.50%
Flexural Strength265 ksi / 1.83 GPa
Flexural Modulus19.0 msi / 131 GPa
Fiber Volume62%
Thermal Expansion Coefficient-0.1 ppm/cm3 / -0.2 ppm/°C
Density.054 lbs/in3 / 1.5 g/cm3
Diameter Tolerance+.005 / -.005″
Glass Transition Temperature100° C
Matrix MaterialBisphenol Epoxy Vinyl Ester
DiameterWeight
(inch / mm)(lbs/1000 ft. / grams/meter)
Standard Modulus.019 / 0.480.37 / .55
Standard Modulus.027 / 0.690.37 / .55
Standard Modulus.037 / 0.940.74 / 1.10
Standard Modulus.052 / 1.321.48 / 2.20
Standard Modulus.063 / 1.602.22 / 3.30
Standard Modulus.098 / 2.495.19 / 7.72
Standard Modulus.125 / 3.188.90 / 13.24
Standard Modulus.156 / 3.9613.34 / 19.85
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