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Chinese Standard: GB/T 25047-2016

Metallic materials—Tube—Ring-expanding test

IDT  ISO 8495:2013

全国钢标准化技术委员会(SAC/TC 183)

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18 mm~150 mm,壁厚为2 mm~16 mm的金属管环。

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