What is BS EN ISO 6508-2 Rockwell hardness test — Part 2: Verification and calibration of testing machines and indenters about?
To help ensure consistent and accurate hardness measurements, BS EN ISO 6508-2:2023 deals with verifying and calibrating the testing machines and indenters used in the Rockwell hardness test.
Who is BS EN ISO 6508-2 Rockwell hardness test — Part 2: Verification and calibration of testing machines and indenters for?
- testing laboratories
- manufacturers
- quality control and assurance professionals
- regulatory authorities
- research and development professionals
- educational institutions
- certification bodies
- engineers and designers
What does BS EN ISO 6508-2 Rockwell hardness test — Part 2: Verification and calibration of testing machines and indenters cover?
It specifies two separate methods of verification of testing machines (direct and indirect) for determining Rockwell hardness in accordance with BS EN ISO 6508-1, together with a method for verifying Rockwell hardness indenters.
The direct verification method is used to determine whether the main parameters associated with the machine function, such as applied force, depth measurement and testing cycle timing, fall within specified tolerances.
The indirect verification method uses a number of calibrated reference hardness blocks to determine how well the machine can measure a material of known hardness.
It applies to stationary and portable hardness testing machines.
NOTE: The use of tungsten carbide composite for ball indenters is considered to be the standard type of Rockwell indenter ball.
Why should you use BS EN ISO 6508-2 Rockwell hardness test — Part 2: Verification and calibration of testing machines and indenters?
- It can ensure that testing machines produce reliable results. This is crucial for assessing the hardness of metallic materials accurately and reducing the risk of errors, which is particularly important in industries where material properties play a critical role in product performance and safety.
- It helps maintain consistency in Rockwell hardness testing across different laboratories and testing facilities, which is essential for comparing results between different locations and over time.
- Many industries and regulatory bodies require compliance with specific standards to ensure the quality and reliability of testing processes. Adhering to BS EN ISO 6508-2:2023 can help customers comply with industry regulations and demonstrate a commitment to meeting accepted standards and specifications.
- Customers can use BS EN ISO 6508-2:2023 as a tool for quality assurance in their testing processes. Regular verification and calibration of Rockwell hardness testing machines, as outlined in the standard, contribute to the overall quality of testing procedures.
- Adhering to BS EN ISO 6508-2 ensures that customers are following an internationally recognized standard, making it easier to communicate and collaborate with partners, suppliers, and customers worldwide.
- It can contribute to increased efficiency in testing operations. This can result in time and cost savings by minimizing the need for retesting, reducing errors and improving overall operational effectiveness.
- It can indirectly support sustainable practices: proper calibration and verification are crucial to obtaining accurate and consistent hardness measurements which can be a factor in more resilient infrastructure. Plus the standard can contribute to positive environmental outcomes by improving material efficiency, enhancing product quality and reducing waste.
- It can contribute to enhanced confidence in products and strengthened risk management.
What's changed?
This edition cancels and replaces BS EN ISO 6508-2:2015 which has been technically revised to keep it in line with industry advancements and maintain its relevance. The main changes are:
- removed all statements of requirements, permissions, and recommendations from the Scope of the
- document (Clause 1)
- addition of Clause 3, Terms and definitions
- modification of the requirements for the calibration and verification of the force and depth
- measuring systems (Clause 4)
- added a requirement for the hardness of the indenter ball holder (Clause 6)
- changed the layout of Table 8 (Clause 6)
- modified the requirements for direct and indirect calibration and verification (Clause 7)
- modified the information related to the determination of uncertainty of measurement (Annex B).
