ASTM A898
Full Name
ASTM A898 – Standard Specification for Straight Beam Ultrasonic Examination of Rolled Steel Structural Shapes
Scope
ASTM A898 outlines the procedures for ultrasonic examination of wrought steel structural shapes using straight beam techniques. This non-destructive testing method is crucial for detecting internal discontinuities that could compromise the structural integrity of the material.
Key aspects covered by A898 include:
- Scope: the standard applies to various rolled steel structural shapes, including beams, channels, and angles. It covers both contact and immersion ultrasonic testing methods.
- Equipment: A898 specifies the requirements for ultrasonic testing equipment, including transducers, couplants, reference blocks, and calibration procedures.
- Procedure: the standard details the examination procedure, encompassing surface preparation, transducer manipulation, signal interpretation, and discontinuity evaluation.
- Acceptance criteria: A898 defines acceptance criteria based on the size, type, and location of discontinuities detected. These criteria ensure that only materials meeting the required quality standards are used in construction.
- Report: the standard outlines the essential information to be included in the test report, providing a comprehensive record of the examination process and results.
Benefits of adhering to A898:
- Enhanced safety: by identifying internal flaws, A898 compliance ensures the structural integrity of steel components, minimizing the risk of failures and accidents.
- Improved quality control: the standardized procedures and acceptance criteria guarantee consistent and reliable inspection results, contributing to higher quality construction materials.
- Cost savings: early detection of defects through ultrasonic examination allows for timely repairs or material rejection, preventing costly rework and project delays.
ASTM A898 Accredited Inspection Agency
Applied Testing & Geosciences, LLC is accredited for performing inspections using the ASTM A898 standard. We are committed to assisting you in ensuring the quality and safety of your steel structures.
Contact us today to discuss your testing needs and receive a customized quote.
Resources
Keywords
ultrasonic testing; steel; structural shapes; beams; nondestructive testing; shear waves; discontinuities; calibration; transducers; sound pressure; angle beam; flaw detection