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-…

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.

　　成都市场镀锌方管价格或弱稳运行厂家成交一般今日成都镀锌方管市场价格持稳运行。本地市场：据了解，今日市场持稳运行，成交一般。下游采购意愿一般，需求释放进度缓慢，另外房地产方面由于资金的回转，导致下游资金面再收紧，进而影响需 求释放。消息面：据国家…