中华人民共和国机械行业标准 无损检测——渗透检查A型对比试块

JB/T92131999ZBH240021989ANONDESTRUCTIVETESTINGPENETRANTTESTINGATYPECOMPARATORBLOCK:TG115.28:C:100026656(2002)09204032011AA2,,,GB/T31901982GB/T31911982GB/T31921982GB/T3193198233.113.23.3A,B,3m,1A35m5m,3m44.1LY12,GB/T3190,GB/T3193,GB/T3191GB/T31924.24.2.13.13.24.2.2Ra6.3m,500540,,3.34.2.3140,AA,B,,55.13.1(406)1999206228200020120130424920029NDTVol.24No.9Sep.2002©1995-2004TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.,J1,;()J2,,,,,[3],[4],1.52.0,,,,GB/T9582,,,,,,,,2.2,,,,,BT25,,BT25,;,,,BT252.02.742.66,lgE2-lgE1=2.74-2.66=0.08,E2/E1=1.2,20mAmin,24mAmin,,3,,;,,;,:[1]GB/T95821998,ISO(X)[S].[2]HB/Z601996,[S].[3]HB/Z2421993,X[S].[4]HB76842000,[S].(403)5.2,5.33.1,3.366.13.1,A,B6.26.2.1,,,6.2.26.3,,7,30min,,604:X©1995-2004TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.