GB/T 3323-2005金属熔化焊焊接接头射线照相.pdf

ICS 25.160.40 J 33 巧黔 中 华 人 民 共 和 国 国 家 标 准 GB/T 3323-2005 代替GB/T 3323-1987 金属熔化焊焊接接头射线照相 Radiographic examination of fusion welded joints in metallic materials 2005-07-21发布 2006-01-01实施 中华人民共和国国家质量监督检验检疫总局 发 布 中国国家标准化管理委员会 GB/T 3323-2005 目 次 前言 ···············································································································…… 班 1 范围 ·························································，·····················································…… 工 2 规范性引用文件 ················································，····················，·····················……1 3术语、定义和符号· 1 4 射线透照技术分级 ···························。···········································.·····……1 5 通则 ·····································，·········································································…… 2 6射线透照技术 ······································。·································，·····················……3 7射线照相检测报告··················································································...······……15 附录A(规范性附录)对接环焊缝100吓射线照相的最少曝光次数·································…… 16 附录B(规范性附录) 最低像质计数值· 21 附录C(资料性附录)焊接接头射线照相缺陷评定·····················································……28 附录D(资料性附录)像质计型式及规格 ···································，····························…… 31 附录E(资料性附录)胶片系统分类·························，··············.·……，……36 GB/T 3323-2005 月叨 吕 本标准是对GB/T 3323-1987((钢熔化焊对接接头射线照相和质量分级》进行的修订。本标准在 修订时修改采用了欧洲标准EN 1435((焊缝的无损检测 熔