適用標(biāo)準(zhǔn) GB/T232-2010 金屬材料 彎曲試驗(yàn)方法 GB/T2653-2008 焊接接頭彎曲試驗(yàn)方法 ISO 7438:2016 Metallic materials-Bend tests ISO 5173:2016 Destructive tests on welds in metallic materials-Bend tests ASTM E290-14 Standard Test Methods for Bend Testing of Material for Ductility ASTM A370-21 Standard Test Methods and Definitions for Mechanical Testing of Steel Products