CSL (Cross Sonic Logging) Tubes

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Cross Hole Sonic Logging (CSL) has become the most requested test method for drilled shaft integrity by Departments of Transportation (DOTs) throughout the United States. Cross Hole Sonic Logging (CSL) test tubes are usually attached to the reinforcement cage along the full length of the shaft. Most commonly, the CSL tubes are required to be produced in a 1.5- or 2-inch outside diameter with a schedule 40 wall thickness. CSL Tubes are to be threaded with watertight caps and couplers and meet the specifications of ASTM – A53 Grade B U.S. Steel with mill test reports.

Concrete Test Cylinders and More

Pittsburgh Pipe has become the premier CSL testing tube manufacturer in the United States. Because of our years of steel experience and the feedback we’ve received from our customers across the country, we can design and manufacture CSL tubes to your project. We can manufacture CSL tubes to custom-fit each drilled shaft based on total length of the shaft. This process cuts down on material waste and time in the field while saving our customers money through assets that handle any degree of foundation testing.

We can thread tubes in lengths from 1 foot to 42 feet. We use malleable iron couplers to join the CSL tubes together or malleable iron caps to close off the end of the tube. Pittsburgh Pipe ships your specially designed CSL tubes straight to the job site ready to be installed. All exposed threads are carefully protected using durable thread protectors, which eliminate any potential damage during shipping. The days of cutting tubes and threading in the field are over, thanks to our manufacturing process.

Pile Test

We reduce risk and cost through our piling services. Whether you need piling pipe, fittings, or more, Pittsburgh Pipe has you covered.

Pittsburgh Pipe Supplies:

  • Domestic U.S. Steel, ASTM – A53 Grade B, with Full Mill Test Reports
  • Tubes Manufactured in 1.5- and 2-inch O.D., Schedule 40
  • Tubes Manufactured in Lengths from 1 foot to 42 feet
  • Custom Tube Lengths Based on Drilled Shaft Depths
  • Watertight Malleable Iron Caps and Couplers
  • Tubes Threaded Both Ends
  • Exposed Threads Are Protected Using Pittsburgh Pipe Thread Protectors

Zero Hassle Piping

Keep your project on track and make sure it lasts for years to come with Pittsburgh Pipe products and services.