资讯动态
阀门受压件磁粉检测 磁化电流值_阀门标准
阀门受压件磁粉检测 磁化电流值
|
检测部位壁厚 mm |
磁化电流值 A/mm (触头间距) |
| ＜20 | 3～4 |
| ≥20 | 4～5 |
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