国内方管或继续稳中趋弱格局市场疲弱下行方管市场主跌个稳。周一开盘，期货市场疲弱下行，国内方管市场报价主跌个稳。目前国内主导城市：邯郸武安、天津、江阴、上海、乐从等区域价格分别运行在3870、 3850、3810、3920、4050元左右。较月初相比，华北市…

冷镀锌方管是在所用的方管上利用冷镀锌的原理来使方管具有防腐蚀的性能。与热镀锌不同冷镀锌涂料主要通过电化学原理来进行防腐，因此必须保证锌粉与钢材的充分接触，产生电极电位差，所以钢材表面处理很重要。

Cold galvanized square tubes are used to make square tubes have anticorrosive properties by using the principle of cold galvanizing. Different from hot-dip galvanizing, cold-dip galvanizing coatings are mainly anti-corrosion based on electrochemical principle. Therefore, it is necessary to ensure full contact between zinc powder and steel to produce electrode potential difference, so surface treatment of steel is very important.

　　上海方管价格或继续维稳运行厂家踏上归家旅程本周上海方管价格以稳为主，本周从现货市场来看，市场几乎进入休市状态，方管厂家都以踏上归家旅程，市场实际交投基本安静，价格继续维稳运行。库存方面：本周上海方管库存29.58万吨：较前期整体库存增加4.33万吨：线…