technical material specifications for carbon fiber rods, carbon fiber tubes, fiberglass rods

Carbon Tubes

Minimum Properties
Tensile Strength240 ksi / 1.65 GPa
Tensile Modulus19.5 msi / 134 GPa
Ultimate Shear Strength6.0 ksi / 41.3 Mpa
Ultimate Tensile Strain1.40%
Flexural Strength200 ksi / 1.37 GPa
Flexural Modulus18.5 msi / 127 GPa
Fiber Volume60%
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

Carbon Rods

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
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

Fiberglass Rods

Pultruded Composites Properties

Properties

Test
Procedures

Solid
Rod & Bar

Structural Profiles

Longi-
tudinal

Trans-
verse

Glass Content,
% by weight 		ASTM D2584

 

65

47

–

Tensile Strength,
psi x 103		ASTM D3916/ D638

 

100

42.4

10.1

Tensile Modulus,
psi x 106		ASTM D3916/ D638

 

5.5

2.66

1.05

Flexural Strength,
psi x 103		ASTM D4476/ D790

 

100

64.6

21.4

Flexural Modulus,
psi x 106		ASTM D4476/ D790

 

5.5

2.09

1.24

Compressive Strength
psi x 103		ASTM D695  

26.25

–

Barcol HardnessASTM D2583

 

50

50

–

Izod Impact, ft.-lb./in.ASTM D256

 

40

40

–

Specific GravityASTM D792

 

1.9

1.72

–

Density, lbs./in3ASTM D792

 

.069

.062

–

Water Absorption, %
(weight increase after
24 hours immersion)		ASTM D570

 

.10

.70

–

fiberglass rods