|
Description |
Notes |
Date |
ANSI/AWS A4.2-91 |
Standard Procedures for Calibrating Magnetic Instruments to Measure the Delta Ferrite Content of Austenitic and Duplex Austenitic-Ferritic Stainless Steel Weld Metal |
Section 6 describes the calibration of Inspector Gauges (111-7F) and Table 3 relates dial FN reading to NIST thickness standards. |
|
| ANSI/AWWA C203-91 |
Coal-tar protective coatings and linings for steel water pipelines - enamel and tape - hot applied |
Voltage pulsed at 20 Hz, 15 kV max |
1992 |
| ANSI/AWWA C213-91 |
Fusion-bonded epoxy coating for the interior and exterior of steel water pipelines |
DC voltage V = 525 x SQR(thou/mils) |
1992 |
| ANSI/AWWA C214-89 |
Tape coating systems for the exterior of steel water pipes |
Minimum voltage is 6 kV - Use NACE RP-02-74 |
|
