广州镀锌方管下周主流将震荡运行厂家库存略有增…本周广州镀锌方管价格小幅下跌，市场成交平平。工程户和市场协议户接单均较四、五月明显减量至少50%。 6月17日广州镀锌方管库存150.71万吨，盘线43.54万吨，螺纹107.17万吨，较上周（6月10日）降2.17万吨；本周广…

镀锌方管的国标与非国标的区别——：就是管壁的实际厚度非标的都比国标的壁薄一些的。主要规格不是很标准，举个例子：镀锌方管的国标与非国标的区别（1）非标的都比国标的壁薄一些的（2）非标的定尺长度也没有达到国标；（3）非标的比国标便宜

The difference between the national standard and the national standard of galvanized square pipe is that the actual thickness of the pipe wall is thinner than that of the national standard. The main specifications are not very standard. For example, the difference between the national standard and the national standard for galvanized square tubes (1) the non-standard is thinner than the national standard (2) the non-standard length is not up to the national standard; (3) the non-standard is cheaper than the national standard.

　　成都市场方管价格或趋弱盘整运行厂家继续以降为…成都方管市场价小幅下调。外围市场：今日钢坯价格持稳。期螺夜盘保低位走势，现货市场继续以降为主。从市场了解到，北京降20-40，主流价格在3510-3540；天津降 10-30；杭州报稳，主流价格在3920-3930；广州降30-50。本…