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| GB/T 25047-2016 Metallic materials - Tube - Ring-expanding test (English Version) |
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Detail of GB/T 25047-2016
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Introduction of GB/T 25047-2016
本标准规定了采用圆锥状顶芯将金属管环试样扩大直至发生断裂，以揭示金属管环试样表面和管环壁内部的缺陷的试验方法。本方法也可用来评定金属管承受塑性变形的能力。
本标准适用于外径为18mm~150mm，壁厚为2mm~16mm的金属管环。
Contents of GB/T 25047-2016