• AWS A4.2-97
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AWS A4.2-97

  • Standard Procedures for Calibrating Magnetic Instruments to Measure the Delta Ferrite Content of Austenitic and Duplex Austenitic-Ferritic Stainless Steel Weld Metal
  • standard by American Welding Society, 11/06/1997
  • Publisher: AWS

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Calibration procedures include those for the Magne-Gauge, Ferritescope, and Inspector Gauge, using primary standards. Measuring ferrite content problems discussed in the appendix.

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