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Norm

ISO 6508-2:2023

Issue date: 2023 12 13

Metallic materials — Rockwell hardness test — Part 2: Verification and calibration of testing machines and indenters

This document specifies two separate methods of verification of testing machines (direct and indirect) for determining Rockwell hardness in accordance with ISO 6508-1, to...
Valid
Publisher:
International Organization for Standardization
Format:
Digital | 23 Pages
Language:
English

This document specifies two separate methods of verification of testing machines (direct and indirect) for determining Rockwell hardness in accordance with 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.

This document is applicable to stationary and portable hardness testing machines.

Attention is drawn to the fact that the use of tungsten carbide composite for ball indenters is considered to be the standard type of Rockwell indenter ball.

ISO 6508-2:2023
2023 12 13
Metallic materials — Rockwell hardness test — Part 2: Verification and calibration of testing machin...
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ISO 6508-2:2015
2015 02 25
Metallic materials — Rockwell hardness test — Part 2: Verification and calibration of testing machin...
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ISO 6508-2:2005
2005 12 09
Metallic materials — Rockwell hardness test — Part 2: Verification and calibration of testing machin...
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ISO 6508-2:1999
1999 09 16
Metallic materials — Rockwell hardness test — Part 2: Verification and calibration of testing machin...
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ISO 1079:1989
1989 10 19
Metallic materials — Hardness test — Verification of Rockwell superficial hardness testing machines ...
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ISO 716:1986
1986 12 19
Metallic materials — Hardness test — Verification of Rockwell hardness testing machines (scales A - ...
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