BS EN ISO 22826:2021
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Destructive tests on welds in metallic materials. Hardness testing of narrow joints welded by laser and electron beam (Vickers and Knoop hardness tests)
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English
03-15-2021
This International Standard specifies the requirements for hardness testing of transverse sections of narrow laser and electron beam welded joints in metallic materials. It covers Vickers and Knoop hardness tests in accordance with ISO6507‑1 and ISO4545, respectively, with test forces of 0,098N to just under 98N (HV 0,01 to just under HV 10) for the Vickers hardness test and test forces up to and including 9,8N (just under HK 1) for the Knoop hardness test.
This International Standard is applicable to welds made with or without filler wire. It may not be applicable to the testing of wider hybrid laser/arc welds.
International Standards for hardness testing of welds without a narrow profile are ISO9015‑1 and ISO9015‑2.
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