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What is BS EN ISO 10943:2015?


BS EN ISO 10943:2015, also known as the British Standard for Ultrasonics, is a technical specification that outlines the requirements for ultrasonic testing. This standard provides guidelines on how to use ultrasonic waves for flaw detection and measurement purposes.

Scope and Purpose

The scope of BS EN ISO 10943:2015 covers a wide range of applications, including materials testing, weld inspection, and quality control in industries such as aerospace, automotive, and manufacturing. The purpose of this standard is to ensure that ultrasonic testing procedures are conducted accurately and consistently, leading to reliable results and improved product quality.

Key Requirements

BS EN ISO 10943:2015 sets forth several key requirements that must be followed when performing ultrasonic testing. These requirements include:

1. Equipment Calibration: Ultrasonic testing equipment must be regularly calibrated and maintained to ensure accuracy and reliability of test results. Calibration standards are provided in the standard for different equipment types.

2. Personnel Qualification: Operators conducting ultrasonic testing should be trained and certified to perform the required tasks. The standard specifies the qualifications, training, and experience necessary for personnel involved in ultrasonic testing.

3. Test Procedures: The standard defines the test procedures to be followed, including the positioning of transducers, selection of testing frequencies, and scanning techniques. Clear instructions are provided to achieve consistent and accurate results.

4. Evaluation of Test Results: BS EN ISO 10943:2015 specifies criteria for evaluating test results, such as acceptance or rejection of a component based on the size and nature of detected flaws. It also provides guidance on reporting and documentation of test findings.


BS EN ISO 10943:2015 is an important standard that ensures the proper use of ultrasonic testing for flaw detection and measurement in various industries. By adhering to the requirements outlined in this standard, companies can enhance their quality control processes, identify potential issues, and improve the overall reliability of their products.


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