DIN EN ISO 9015-2:2016 金屬材料焊接的破壞性試驗.硬度試驗.第2部分:焊接點的顯微硬度測試(ISO 9015-2-2016).德文版本EN ISO 9015-2-2016
Destructive tests on welds in metallic materials - Hardness testing - Part 2: Microhardness testing of welded joints (ISO 9015-2:2016); German version EN ISO 9015-2:2016