广州镀锌方管价格小幅上涨厂家备货多显谨慎今日广州镀锌方管市场价格小幅上涨。期货方面，夜盘开盘3654，夜盘震荡运行，日盘到来维持震荡运行态势；午收3657涨25，最高3671最低3643。原料方面，唐山钢坯今日涨20 元，现普碳含税出厂价3430元。市场成交方面…

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.

　　潍坊方管价格上涨成交尚可厂家上午报价维稳潍坊方管价格上涨，成交尚可。今日期货市场运行趋强，潍坊现货市场方管厂家上午报价维稳，成交较好，午后上交报价上调40元，成交减少。现潍坊市场主流报价3400元/吨，整体成交尚可。目前潍坊热卷本地市场库存约在6万吨…