Pierre Dostie Certified Welding Inspector

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Frequently Asked Questions

CWB and AWS Certified Welding Inspector.

CGSB / ONGC / RNCan Certifications.

	NDT Method Summary No single NDT method will work for all flaw detection or measurement applications. Each of the methods has advantages and disadvantages. The table below summarizes the scientific principles of the most common used NDT methods.
	NDT Methode Selection Each NDT method has its own set of advantages and disadvantages and, therefore, some are better suited than others for a particular application. The NDT technician must select the method that will detect the defect or make the measurement with the highest sensitivity and reliability. The cost effectiveness of the technique must also be taken into consideration. The following table provides some guidance in the selection of NDT methods for common flaw detection and measurement applications.
	Hardness Tables
	Pipe Schedule Chart
	Grade Identification Markings

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