国内方管价格或继续坚挺运行厂家报价基本维稳方管市场价格主涨个稳。早盘开市，期货走势给力，钢坯累涨，受此影响，大部分现货市场方管厂家情绪高涨，报价纷纷试探性上调。不过，据方管厂家反映，由于刚刚开盘不确定出货情况，心态较为谨慎，少数方管厂家报…

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.

　　乐从方管主流价格或稳中震荡厂家出货心态为主今日乐从方管价格偏弱调整，市场方面，唐山钢坯涨20报3330元/吨含税出厂，期卷偏弱震荡，市场出货心态为主，今乐从方管偏弱调整，主流规格价格在3680元/吨，现与天津主流规格报价相差0元/吨，与上海主流报价相差40元/…