购买方管时最实用的三种方管理论重量计算方…方管方管的三种理论重量算法：关于方管的重量的计算方法，总共有三种方式。第一种，就是用钢板算法，也就是，将一个正跟的方管展开，然后形成一个四片扁钢，然后在对扁钢进行计算。这种计算方法计算出来的重量，会与实际的方管的重量有比较大的差异，比实际的重量重。因为，这种方法会把中间重叠的部分的重量计算…

无锡镀锌方管市场价格上涨。今日上游原材料价格暂稳，管厂出厂价格空涨，暂未上调。近期期货涨价带动无锡镀锌方管市场价格回涨，整体成交尚可。据当地方管厂家反映，随着季节性 变化，开工率较之前有好转，因此出货较好。后市不确定因素较多，加之整体经济形势不佳，方管厂家观望情绪浓厚。库存方面维持进出平衡，按需补货，操作谨慎。整体来看，预计短期内无锡镀锌方管市场价格将暂稳观望运行为主。

Wuxi galvanized square pipe market prices rose. Today, the price of raw materials in the upstream is stable for the time being, and the ex-factory price of the pipe factory has skyrocketed, but has not been raised for the time being. Recent futures price hikes have led to a rebound in Wuxi galvanized square pipe market prices, and the overall turnover is still acceptable. According to local steel traders, with seasonal changes, the start-up rate has improved, so the shipment is better. There are many uncertainties in the future market, and the overall economic situation is not good, so there is a strong wait-and-see mood for the manufacturers under the control of the local authorities. Maintain the balance of stock in and out, replenish goods on demand and operate cautiously. Overall, it is expected that the market price of galvanized square tubes in Wuxi will be stable and wait-and-see operation in the near future. 原料方面，今日下午唐山普碳150方坯价格稳，报价3490元；唐山瑞丰355mm系列带钢价格暂稳，报价3760元。河北地区主流焊镀管厂出厂价格普稳，个别上调20。

In terms of raw materials, the price of Tangshan Pucarbon 150 billet was stable this afternoon with a quotation of 3490 yuan, while the price of Tangshan Ruifeng 355mm series strip steel was temporarily stable with a quotation of 3760 yuan. Prices of main welded and plated pipe plants in Hebei are stable, with individual increases of 20%.

方管价格方面，现友发产4寸(3.75mm)镀锌方管4900元，君诚产4寸(3.5mm)镀锌方管价格为4750元，正金元产4寸(3.5mm)镀锌方管价格为4740元，以上较上个交易日上涨50。

As for the price of square tubes, the price of 4-inch (3.75 mm) galvanized square tubes produced by Xiyou is 4,900 yuan, that of 4-inch (3.5 mm) galvanized square tubes produced by Juncheng is 4,750 yuan, and that of 4-inch (3.5 mm) galvanized square tubes produced by Zhengjin is 4,740 yuan, which is 50 yuan higher than the previous trading day.

邯郸镀锌方管有上探的可能厂家多谨慎观望为…方管邯郸镀锌方管市场观望为主，市场方面，原料价格上行调整，当地市场方管厂家多谨慎观望为主，现日鑫主流规格报价在4460-4660元/吨，成交方面，近期市场成交无明显变化，然考 虑到受基本面利好影响，市场方管厂家整体上心态稍有乐观，且需求表明短期问题不大，后期关注需求的跟进即可，故综合预计短期邯郸镀锌方管市场有上探的… 郑州方管市场价格暂稳成交量出现大幅度下滑…方管本周郑州方管市场价格暂稳，前几日国营方管厂家上调期货调价信息，民营方管厂家小幅下调现货价格，使得市场涨跌互现，随着春节的临近，市场价格已趋于稳定。价格方面，镀锌方管方面邯钢1.0mm*1250*C报4700元/吨，河北万利1.0mm*1250*C报4380元/吨；彩涂 方面宝钢黄石0.5mm*1000*C报6650元/吨，山东冠洲0.5mm*1000*C报5700元/…