THVS-30數(shù)顯自動磚塔維氏硬度計
(200~300)HV0.5 ±(4.0~5.0)%
(400~500)HV1 ±(4.0~5.0)%
(700~800)HV5 ±3.0%
(700~800)HV10 ±3.0%
(700~800)HV30 ±2.0%
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