The ASME Calibration Block provides a reference for setting up and verifying ultrasonic testing (UT) equipment for weld inspection. Its specified reference reflectors support sensitivity calibration and repeatable equipment checks, with the block configuration selected to suit the component and applicable inspection procedure.
ASME Block
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Hire the ASME Block
Support consistent ultrasonic weld inspection with the ASME Calibration Block. Used to establish reference responses during equipment calibration, it helps NDT technicians set inspection sensitivity and verify system performance before testing. Depending on the block design, reference features include side-drilled holes, surface notches or a combination of both. These reflectors provide known targets for calibration and, where appropriate, the construction of Distance Amplitude Correction (DAC) curves. ASME calibration blocks are available in flat-plate and curved piping configurations to suit different inspection applications. The material, thickness, curvature and reflector arrangement must be selected to match the component and the applicable ASME Section V requirements. Suitable for workshop, laboratory and on-site inspection workflows, a correctly specified block provides a repeatable reference for initial setup and routine calibration checks. Contact our team to discuss the required block configuration, dimensions, material grade and supporting certification.
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