Taiwan Provincial Standard of the People's Republic of China
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CNS 12677-1990
Scope
This standard stipulates the test methods and judgment criteria used when verifying radiation transmission test technology for welded joints of steel, impermeable steel, aluminum, titanium, etc.
CNS 12677-1990 history
1990CNS 12677-1990 Method of Test for Qualification Procedure of Radiographic Testing Technique of Welds