• ASTM E309-95(2001)

ASTM E309-95(2001)

Standard Practice for Eddy-Current Examination of Steel Tubular Products Using Magnetic Saturation

ASTM International, 10/10/1995

Publisher: ASTM

File Format: PDF

$30.00$60.00


Published:10/10/1995

Pages:5

File Size:1 file , 84 KB

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1.1 This practice covers a procedure for applying the eddy-current method to detect discontinuities in ferromagnetic pipe and tubing (Note 1) where the article being examined is rendered substantially non-magnetic by the application of a concentrated, strong magnetic field in the region adjacent to the examining coil.

Note 1 - For convenience, the term tube or tubular product will hereafter be used to refer to both pipe and tubing.

1.2 The procedure is specifically applicable to eddy-current examination methods using an encircling-coil assembly. However, eddy-current techniques that employ either fixed or rotating probe-coil assemblies may be used to either enhance discontinuity sensitivity on the large diameter tubular products or to maximize the response received from a particular type of discontinuity.

1.3 This practice is intended for use on tubular products having outside diameters from approximately 1/4 to 10 in. (6.35 to 254.0 mm). These techniques have been used for smaller and larger sizes however, and may be specified upon contractural agreement between the purchaser and the supplier.

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