贵阳镀锌方管价格或将继续窄幅震荡上行厂家持乐…今天，贵阳市场镀锌方管价格小幅上涨，市场整体成交尚可。今天，螺纹钢期货震荡偏强运行，最终冲破3700关口，3702涨40收盘。同时，云南、成都、重庆市场价格均有小幅上涨。贵阳市场也延续了上涨态势，开 市后方管…

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.

　　本周江苏方管市场价格以稳为主厂家有所暗降本周江苏地区方管市场价格以稳为主，周初开市期螺拉涨，主要由于国庆节前宏观利好刺激较多，但管坯价格趋弱，出厂价小幅 下行，下游终端采购没有明显改观，江苏地区方方管厂家家大都保持观望态度。周中期，黑色系突然…