标准号:XP A49-646-1997
英文标准名称:Steel tubes. Round, square and rectangular precision steel tubes longitudinally induction welded from hot or cold-rolled flat products, coated or not coated. Dimensions. Technical delivery conditions.
标准状态:W
标准类型:国际标准
有效日期:2003-05-20
国际标准分类号:77.140.75
部分代替标准:NF A49-542-1987 (A49-542)%NF A49-643-1987 (A49-643)%NF A49-645-1987 (A49-645)
被以下标准代替:NF EN 10305-3-2003 (A49-300-3)