近期沈阳市场方管价格或弱稳运行厂家开始办公沈阳市场方管价格平稳，市场尚未开动。今日期螺保持震荡走高的态势，最终收于3427，今日沈阳当地现货市场维持稳定，目前东北地区几乎 全员停摆，下游现货需求近乎为零。加之非常时期，疫情导致市场冷淡停顿，本周…

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.

　　唐山方管价格将以稳或小幅调整观望低价出货为主…本周唐山方管市场价格持续下滑，虽然整体市场交易气氛较弱，但是各地区商家尽力出货，需求的萎缩也已经成为不争的事实，限 产也让钢厂端压力倍增。本周周初唐山方管钢厂指导价小幅下调10-20元左右，各地商家跟价意向不…