包头方管市场价格稳或窄幅震荡市场心态低迷包头方管市场价格下跌为主，今日方管市场价格下跌为主，周末钢坯累跌20元，受期螺走低运行，市场心态低迷，据了解市场部分缺货缺货规格资源少，价位偏高，了解到预计近两日 亚新厂复产，对货少资源有一定缓冲，引…

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.

　　长沙镀锌方管市场价格持稳厂家库存压力尚可长沙镀锌方管市场价格持稳，截至发稿，现友发新国标产4寸(3.75mm)镀锌方管价格4970元(过磅价，下同)，正大新国标产4寸(3.5mm)镀锌方管价格为4970元，京华产4寸(3.75mm)镀锌方管价格为4990元。原料方面：10日唐山、昌黎…