SY 6858.4-2012
Non-destructive testing methods for oil well tubular goods Part 4: Ultrasonic testing of drill pipe welds (English Version)

Standard No.

SY 6858.4-2012

Language

Chinese, Available in English version

Published By

Professional Standard - Petroleum

Latest

SY 6858.4-2012

SY 6858.4-2012 history

• 1970 SY 6858.4-2012 Non-destructive testing methods for oil well tubular goods Part 4: Ultrasonic testing of drill pipe welds