This method describes the procedure to be used in determining the quality of the seam or helical, continuously welded seam, corrugated steel pipe. The procedure to be used involves distorting a short length of welded seam by using a 25-mm diameter, hemispherical punch and a 38-mm inside diameter contoured die.
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AASHTO T 197M/T 197-23
$38.00 $77.00
AASHTO T 403-23
$43.00 $86.00
AASHTO PP 111-23
$43.00 $86.00
AASHTO M 285M/M 285-23
$38.00 $77.00