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TAPPI TIP0402-31 Guidelines for evaluating the quality of boiler tube butt welds with ultrasonic testing
standard by Technical Association of the Pulp and Paper Industry, 02/28/2006
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This Technical Information Paper provides guidelines for testing the quality of boiler tube butt weldsusing an ultrasonic shear wave testing method. This UT method is an alternative to more traditional, radiographic testing (RT).Procedures and requirements are described to properly qualify the equipment and personnel to affect thistype of UT. This method can be applied to butt welds in boiler tubes of any material commonly used in powerand recovery boilers in pulp and paper mills.