GB/T 20066-2006钢和铁　化学成分测定用试样的取样和制样方法.pdf

ICS 77.080.01 H 04 中 华 人 民 共 和 国 国 家 标 准 GB/T20066-2006/ISO14284:1996 代替GB/T719-1984 部分代替GB/T222-1984 钢和铁 化学成分测定用试样的 取样和制样方法 Steelandiron-Samplingandpreparationofsamplesforthe determinationofchemicalcomposition (ISO14284:1996,IDT) 2006-02-05发布 2006-08-01实施 中华人民共和国国家质量监督检验检疫总局 中 国 国家 标 准 化 管 理 委 员会 发 布 GB/T 20066-2006/ISO 14284:1996 目 次 前言 ····························································，，····················································…… HI 范围 ·······…… 规范性引用文件 3 定义 ····················，······，···············，···································································，，·… 1 4取样和制样的技术条件 ···，····································································……，，…3 4.1 一般要求 ···················，·······，········································································…… 3 4.2 样品 ···················································，····················，，········，·························…… 3 4.3 取样 ······················································，，···········，········································…… 5 4.4 制样 ············································································，······························…… 5 4.5 安全注意事项 ·······················································，········，·······························…… 7 5炼钢及生铁生产中的铁水 ·············································……，.，……7 5.1 一般要求 ·····················································，················································…… 7 5.2 勺式取样 ··························