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Stock Composite Tubing

S.A.R. Composite Shop manufactures high quality carbon and fiberglass cross-section tubes. Although custom tube sizes can be fabricated upon request, the following are volume produced and are available off-the-shelf.
 
   
Tube Property

 Type of Tube

  7 in. Sq. Carbon 4in. Sq. Carbon 4 in. Sq. Fiberglass
ID  (in.) 6.670 +/- 0.006 3.780 +/- 0.006 3.780 +/- 0.006
OD (in.) 7.020 +/- 0.040 4.000 +/- 0.014 4.004 +/- 0.006
t (in.) 0.175 +/- 0.020 0.110 +/- 0.007 0.110 +/- 0.003
R (in.) 0.25 0.25 0.25
Lmax (in.) 83 79 79
EL(Msi) 8.2 8.2 3.7
ET(Msi) 4.1 5.2 2.9
GLT(Msi) 3.4 3.3 1.5
ELI (Mlb.-in.2) 302 35.4 1.59
GLTJ (Mlb.-in.2) 190 21.5 9.45
W/L (lb./in.) 0.2724 0.0967 0.1145
   
  LEGEND
 
 
Lmax = Maximum tube length
 
 
EL = Tensile Modulus of material in tube axial direction (predicted)
 
 
ET = Tensile modulus of material in tube circumferencial direction (predicted)
 
 
GLT = Shear modulus of tube material (predicted)
 
 
ELI = Tube bending stiffness in millions of pound-inches squared (predicted)
 
 
GLTJ = Tube torsional stiffness in millions of pound-inches squared (predicted)
 
 
W/L = Tube weight per unit length
     
 

Custom Products

Design

Meeting your needs starts with designing your product to fit your requirements. Various composite materials and fabrication processes are considered, which will yield superior product performance and manufacturing efficiency. With our experience we can design composite components using state-of-the-art computer aided CAD/CAM/CAE engineering software, Including Pro Engineer, SolidWorks, CompositePro and Mechanica.

Development

Taking a product from the drawing board to production requires dedication and experience. Our team of composite engineers and technicians have the skills and equipment required for: materials and product testing, rapid tooling/custom equipment fabrication, and product quality.

Production

Selecting the right process in the design phase is critical to cost effective production.

S.A.R Composite Shop efficiently manufactures products using filament winding, resin transfer molding (RTM), resin infusion and hand-lay-up. Components can be cured using the autoclave, oven or in RTM molds. This array of fabrication techniques allows us to produce composite components ranging from flat panels to complex 3D forms.

Tooling

Selected round tooling is available at no charge. Custom tooling will incur additional costs. Contact us for more information.

     
   
 
 
 
SAR Composite Shop
3985 S. Lincoln Ave. Loveland, CO. 80531