作废 JB/T 2980.2-1999
熔模铸造型壳高温抗弯强度试验方法 熔模铸造型壳高温抗弯强度试验方法 Test method for high temperature strength of investment casting shell
发布日期:1999-06-24
实施日期:2000-01-01
分类信息
标准简介

本标准适用于测定型壳标准试样在室温~1200℃的范围内,加载情况下的抗弯强度及变形值

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最后更新时间 2025-08-30