GB/T 3669-2001铝及铝合金焊条.pdf

25.160.20 JICS33 着臀 中 华 人 民 共 和 国 国 家 标 准 GB/T 3669-2001 铝及铝合金焊条 Aluminumandaluminum-alloyelectrodesfor shieldedmetalarcwelding 2001一12一17发布 2002一06一01实施 中 华 人 民 共 和 国 发 布 国家 质 量 监 督 检 验 检 疫 总 局 GB/T3669-2001 目 次 前言 ·········“··········”··························“··································”·······”········“…… 1 范围 ·········································································.，························…… 2 引用标准 ··············································································”·······“······…… 3 型号分类 ······························”·················.·，···········································…… 4 技术要求 ································································································…… 5 试验方法 ···············································································”···············…… 6 检验规则 ······················，················································”·······················…… 7 包装、标志和质量证明书····”······”···········”·······...··.·..·..·..·..·..·..·..·..·..·…… 附录A(提示的附录) 焊条的简要说明 附录B(提示的附录)新旧型号对照表 ················.··..·...·..·..·…… 附录C(提示的附录)引用相关标准目录 ·········.······.·…… GB/T3669-2001 前 言 本标准非等效采用美国焊接协会标准AWSA5.3/A5.3M:1999《铝及铝合金焊条规程》，是对 GB/T3669-1983((铝及铝合金焊条》的修订，技术内容与该规程基本等效。 本标准在以下内容进行修订: — 焊条型号的表示方法:采用字母`E‘”和铝及铝合金国际牌号表示焊条的型号。这种表示方法与 AWS完全一致 ，同时铝及铝合金的牌号也与GB/T3190-1996表示方法相一致; — 焊接接头抗拉强度:将原标准中TAI型焊条(修订后为E1100)焊接接头最低抗拉强度 由 64MPa改为 80MPa;TAlMn,TAISi型焊条(修订后为E3003,E4043)焊接接头最低抗拉强度 由 118MPa改为95MPa，与AWS规程一致; — 试板厚度由8mm改为10mm; -一 明确弯曲试验的弯曲角度和压头直径。 本标准从实施之