JBT7744-2011 阀门密封面等离子弧堆焊用合金粉末.pdf

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1、ICS23.060.01J16备案号：32096—2011中华人民共和国机械行业标准JB/T7744—2011代替JB/T7744—1995阀门密封面等离子弧堆焊用合金粉末Alloypowderusedplasmaarcoverlayingweldingforvalvesealingsurface2011-05-18发布2011-08-01实施中华人民共和国工业和信息化部发布JB/T7744—2011目次前言........................................................

2、............................................................................................................III1范围....................................................................................................................................................

3、............12规范性引用文件............................................................................................................................................13分类、牌号..............................................................................................

4、......................................................13.1分类.............................................................................................................................................................13.2牌号.......................................

5、......................................................................................................................14技术要求..........................................................................................................................................

6、..............15试验方法........................................................................................................................................................36检验规则....................................................................................

7、....................................................................37标志、包装、运输和贮存............................................................................................................................3表1合金粉末化学成分及硬度...........................................

8、............................................................................2表2合金粉末的松装密度和流动性..........................................................................