TOFD contrast nondestructive testing ultrasonic test block

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TOFD-A, TOFD-B, TOFD-C, TOFD-D, TOFD-E comparison blocks are set up according to the requirements of ultrasonic testing by diffraction time difference method of nondestructive testing of pressure equipment. The test blocks are suitable for fully welded butt joints of carbon steel and low alloy steel with nominal thickness of 12 mm~400mm.

This kind of test block is set up according to the requirements of ultrasonic testing by diffraction time difference method of non-destructive testing of pressure equipment. The test block is suitable for the butt joint of carbon steel and low alloy steel with nominal thickness of 12 mm~400mm.

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