GSO ISO 25239-3:2021由GSO 发布于 2021-07-01。
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GSO ISO 25239-3:2021 的最新版本是哪一版?
最新版本是 GSO ISO 25239-3:2021 。
ISO 25239:2011 specifies requirements for the qualification of welding operators for the friction stir welding (FSW) of aluminium. In ISO 25239:2011, the term "aluminium" refers to aluminium and its alloys. ISO 25239:2011 does not apply to friction stir spot welding.
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