JIS Z 3104 PDF

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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 ยท Documents; JIS Japanese Industrial Standard – JIS Z – Radiographic Examination for Weld Joints in Steel.

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JIS Z 3104:1995 English Edition

Discontinuities with several direction can be detected at once. Plain type discontinuity like a crack, is not detected when the face has an 314 usually over 15 degree to exposure direction of RT. Information of flaw’s height, spreading along to wall thickness direction can be got. Thinner coating covered a surface discontinuity is not disturbed for detecting by this method.

Methods of Radiographic examination for welded joints in stee..|INIS

Comparatively, cost for testing is higher than others. Video Scope Video Scope. Weak Point Non-relevant signal and noise are disturbed evaluation. V Eddy Current Testing: Reference Number Reference Number. Post-Cleaning is necessary for rotating equipments to remove the particle.


Skilled technician is required to conduct testing. Weak Point Surface condition is affected to test results. The constitution of the standard is explained.

Easy to apply in field testing when used portable set.

Non-relevant signal and noise are disturbed evaluation. Revised standard, JIS Z Weak Point Limited to ferromagnetic materials.

Invisible fine discontinuity can be detected by a magnified indication with surpass contrast on proper background. Most economical method for mis inspection of a heat exchanger to detect local corrosion and erosion. Normal Straight Beam method for Thickness gauging Continuous scanning on interest area Local corrosion occurred on opposite side can be located and the remained wall thickness can be read by continuous searching.

Weak Point Required to remove the coating and foreign material inside a flaw completely before testing.

JIS Z – Methods of radiographic examination for welded joints in steel (FOREIGN STANDARD)

Limited to ferromagnetic materials. Close Go to Workspace. Cost for testing is 31004 than other methods. Publication Year Publication Year. Test result is remained as persuasive record.

For this test, the electromagnetic phenomenon is used and any coupling medium is not necessary. V Magnetic Particle Testing: Temperature and humidity must be essential for testing. Easy for detecting nis superficial discontinuity.


Share mode ultrasound is sent with specified angle, 45, 60, 70 degree, and operator received a signal from flaw. Round type discontinuity can be detected easily. Test is applicable from one side of objects.

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.

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.

Coupling medium must be applied on surface of subjects for testing Generally, not evaluate the kind of discontinuity.