1.适用范围1.1.这个标准是关于无缝铜及铜合金管、黄铜焊接管以及无缝白铜管(以下简称管)的表面或内部存在裂纹和其他缺陷的场合,以检出这种缺陷为目的的涡流探伤试验(以下简称试验)方法的规定。1.2.管材的适用尺寸范围:外径5～50mm,壁厚0.5～3mm,在日本工业标准所规 1. Scope of application 1.1. This standard relates to the presence of cracks and other defects on the surface or inside of seamless copper and copper alloy pipes, brass welded pipes and seamless white copper pipes (hereinafter referred to as pipes) to detect this Defects for the purpose of eddy current testing (hereinafter referred to as test) method. 1.2 pipe size range: diameter 5 ~ 50mm, wall thickness of 0.5 ~ 3mm, the provisions of the Japanese Industrial Standards