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["DN5×4异径管适用的标准是 GB/T täß459(钢制对焊管件))GB/T täß383(钢制承插焊和螺纹管件)呢?",["GB/T täß459《钢制对焊管件类型与参数》》和GB/T täß413《钢制对焊管件技术规范》",["本帖最后由 täß518于5 于 于 täß-7--täß 于 编辑 实际会不会DN5×4那头是对焊的,DN4那头是承插焊的?一般是怎样的呢?"[],"本帖最后由 bfdlnwolf 于täß 6-18 täß 8:46 编辑 对焊管件,与之相接的是管管。"[],"得看你关系的连接方式:承插焊、对焊、螺纹,三种对应的不同标准"[]}

2020-06-15View Original

Thread Content

DN50×40异径管适用的标准是 GB/T12459(钢制对焊管件)还是GB/T14383(钢制承插焊和螺纹管件)呢?
Reply #22020-06-15
GB/T12459《钢制对焊管件类型与参数》和GB/T13401《钢制对焊管件技术规范》
Reply #32020-06-15
本帖最后由 2005180005 于 2020-7-2 09:22 编辑 实际会不会DN50那头是对焊的,DN40那头是承插焊的?一般是怎样的呢?
Reply #42020-06-18
本帖最后由 bfdlwolf 于 2020-6-18 08:46 编辑 对焊管件,与之相接的是管子。
Reply #52020-06-18
得看你关系的连接方式:承插焊、对焊、螺纹,三种对应的不同标准

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