BS EN ISO 7963:2010 pdf download

12-03-2020 comment

BS EN ISO 7963:2010 pdf free download.Non-Destructive Testing – Ultrasonic Testing – Specification For Calibration Block No. 2.
Calibration block No. 2 differs in size and shape from that described in ISO 2400.
Calibration block No. 2 is very much smaller and lighter, and its geometry is much simpler.
Calibration block No. 2 does not offer as much scope as the larger block; in particular it is not meant to check an ultrasonic flaw detector completely.
However, calibration block No. 2 makes it possible, during practical testing, to check simply, from time to time, the setting of the time base and the sensitivity of the ultrasonic equipment. Moreover, it is suited to checking the beam angle and the probe index of miniature angle-beam probes.
NOTE: Calibration block No. 1 is currently specified in EN 12223.
Requests for official interpretations of any aspect of this International Standard should be directed to the Secretariat of ISO/TC 44/SC 5 via your national standards body, a complete listing which can be found at
I Scope
This International Standard specifies the dimensions, material, manufacture and methods of use for calibration block No. 2 for calibrating and checking ultrasonic testing equipment.
2 Normative references
The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.
ISO 4287, Geometrical Product Specifications (GPS) — Surface texture: Profile method — Terms, definitions and surface texture parameters
ISO 5577, Non-destructive testing — Ultrasonic inspection — Vocabulary
EN 10025-1, Hot rolled products of structural steels — Part 1: General technical delivery conditions.
4 Dimensions
The dimensions of the block are given in Figure 1.
The tolerances are ± 0,1 mm, except on the length of the engraved scale where it is ± 0,5 mm.
Average surface roughness values, Ra, are defined in accordance with ISO 4287.
The thickness of the block can be greater than 12,5 mm (see A.1).
5 Material
The calibration block shall be made of steel of grade S355J0 in accordance with EN 10025-1 or equivalent.

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