阀门受压铸钢件射线照相检测 缩孔类缺陷不作评定的最大尺寸
>缺陷等级 |
透 明 厚 度 mm |
||||||
≤10 | >10~20 | >20~40 | >40~80 | >80~120 | >120~200 | >200~300 | |
缩孔类缺陷不作评定的最大尺寸 | |||||||
1 |
条状 mm |
5.0 | |||||
树枝状 mm2 |
10.0 | ||||||
2~6 |
条状 mm |
5.0 | 10.0 | ||||
树枝状 mm2 |
30.0 | 40.0 |
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