[www.staffempire.com]-JBT 7744-2011 阀门密封面等离子弧堆焊用合金粉末.pdfVIP免费

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—2011I目次前言....................................................................................................................................................................III1范围................................................................................................................................................................12规范性引用文件............................................................................................................................................13分类、牌号....................................................................................................................................................13.1分类.............................................................................................................................................................13.2牌号.............................................................................................................................................................14技术要求........................................................................................................................................................15试验方法........................................................................................................................................................36检验规则........................................................................................................................................................37标志、包装、运输和贮存............................................................................................................................3表1合金粉末化学成分及硬度............................................................................................