Chinese Standard: GB/T 29711-2013

Non-destructive testing of welds—Ultrasonic testing—Characterization of indications in welds

IDT  ISO 23279:2全国焊接标准化技术委员会(SAC/TC 55)010

本标准规定了如何来表征内部显示，即把它们分类为平面型或非平面型。
本标准也适用于去除焊缝余高后裸露在焊缝表面的显示。

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