焊接材料用原辅材料 矿物粉采购技术条件 Rawandauxiliarymaterialsforweldingconsumables- Technicalrequirementsforprocurementofmineralpowders 2023-04-10发布 2023-05-10实施T/CWAN0075－2023团 体 标 准ICS25.160.20 CCSJ33 CWA 中国焊接协会发布 全国团体标准信息平台 T/CWAN0075－2023 Ⅰ目次 前言..................................................................................Ⅲ 1范围................................................................................1 2规范性引用文件......................................................................1 3术语和定义..........................................................................1 4订货内容............................................................................3 5技术要求............................................................................3 5.1大理石..........................................................................3 5.2方解石..........................................................................4 5.3白云石..........................................................................4 5.4镁砂(烧结镁砂、电熔镁砂)........................................................4 5.5菱镁石（菱苦土）................................................................6 5.6萤石（矿粉、精粉）..............................................................6 5.7石英（石英砂）..................................................................7 5.8硅微粉..........................................................................7 5.9硅泥............................................................................8 5.10长石............................................................................8 5.11伊利石..........................................................................9 5.12白泥............................................................................9 5.13粘土（黏土）...................................................................10 5.14高岭土（高岭石、陶土）.........................................................10 5.15耐火粘土(煅烧焦宝石)...........................................................11 5.16绢云母.........................................................................11 5.17天然云母、焙烧云母.............................................................12 5.18合成云母.......................................................................12 5.19白土子（白土、细云母）.........................................................13 5.20凹凸棒石粘土...................................................................13 5.21海泡石.........................................................................14 5.22硅灰石.........................................................................14 5.23富镁粘土.......................................................................15 全国团体标准信息平台 T/CWAN0075－2023 Ⅱ5.24滑石...........................................................................15 5.25铝矾土.........................................................................16 5.26锆英砂（锆砂、锆英石）.........................................................16 5.27天然金红石.....................................................................17 5.28人造金红石.....................................................................18 5.29高钛渣.........................................................................18 5.30钛铁矿、钛精矿.................................................................19 5.31还原钛铁矿.....................................................................19 5.32二氧化锰矿（锰矿、锰砂）.......................................................20 5.33富锰渣.........................................................................20 5.34硅酸锰.........................................................................21 5.35磁铁矿（铁砂、铁黑、Fe3O4）.....................................................21 5.36赤铁矿（Fe2O3）.................................................................22 5.37微晶石墨（无定形石墨、泥状石墨）...............................................22 5.38鳞片石墨（片状石墨）...........................................................23 5.39硼砂...........................................................................23 6试验方法...........................................................................24 6.1取样与制备.................................