Find the most up-to-date version of JIS Z at Engineering JIS Z Methods of radiographic examination for welded joints in steel ( FOREIGN STANDARD). standard by Japanese Industrial. Home · Documents; JIS Japanese Industrial Standard – JIS Z – Radiographic Examination for Weld Joints in Steel.
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JIS Z 3104:1995 English Edition
Get permanent URL for this record. Magnetizing with jia two direction is necessary for detection of each discontinuity. Thinner coating covered a surface discontinuity is not disturbed for detecting by this method.
Discontinuities with several direction can be detected at once. Round type discontinuity is difficult for detection.
PT Advantage Easy to apply in field testing when used portable set. Post-Cleaning is necessary for rotating equipments to remove the particle. Skilled technician is required to conduct testing.
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Search coil works in tubes without contact and corresponds quickly to the applied test frequency. Video Scope Video Scope. Test is applied on ferromagnetic materials only.
Weak Point Limited to ferromagnetic materials. Information of flaw’s height, spreading along to wall thickness direction can be got. UT Advantage Easy for detecting a plain type discontinuity. Methods of Radiographic examination for welded joints in steel. Share mode ultrasound is 310 with specified angle, 45, 60, 70 degree, and operator received a signal from flaw. V Liquid Penetrant Testing: The main points of the revision in the standard proper and the appendices for the cases of steel plate welded joints, the circumferential joints of steel pipes, the T-shaped joints of steel plates and the method of classifying flaw images by radiographs are described.
Round type discontinuity can be detected easily. Reference Number Reference Number. Surface condition is affected to test results. Magnetic field is made by Electric AC Yoke.
Normal Straight Beam method for Flaw detection This is a method to send ultrasounds to the tested surface and receive the signal of subject flaws by a Normal transducer positioned perpendicular. Ultrasonic transducer inserted into a tube can read the degree wall thickness via a rotating mirror attached to water turbine that is worked by pressure water.
For this test, the electromagnetic phenomenon is used and any coupling medium is not necessary. Easy to evaluate by visible indication appeared on tested surface.
Test is applicable from one side of objects. Required to remove the coating and foreign material inside a flaw completely before testing. MT Advantage Cost for testing is lower than other methods. Plain type discontinuity like a crack, is not detected when the face has an angle usually over 15 degree to exposure direction of RT. Thicker coating must be removed before testing. At last, this revised standard was instituted on February 1, by investigating the present status in Japan and foreign countries by the cooperation of the related organizations and experts, and considering the compatibility with the international standards, based on the WES standards which are enumerated.
Non-relevant signal and noise are disturbed evaluation. No electric power is required except for lighting in dark room.
Weak Point Surface condition is affected to test results. Temperature and humidity must be essential for testing. Test is able to perform automatically.
Not applicable to fillet weld. The constitution of the standard is explained. Easy for handling with portable devices. Close Go to Workspace. Easy to apply in field testing jls used portable set. Easy for detecting a superficial discontinuity. Weak Point Non-relevant signal and noise are disturbed evaluation. Results 1 – 1 of 1.