购买方管时最实用的三种方管理论重量计算方法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…

郑州方管市场价格窄幅上涨。环保利好刺激下，近期期螺持续走强，唐山钢坯和方管价格也不断攀升，受此提振，今日郑州方管市场低价资源纷纷止跌反弹，成交也有所放量，但多集中在低位，高位仍显缓。从唐山市场来看，受环保趋严影响，今日轧方管厂家全面停产，方管厂家挺价意愿强，加之期螺仍维持高位，钢坯价格上涨，短期价格或继续保持坚挺，但鉴于 成交明显下滑，继续上涨动力不足，因此，考虑成本有支撑，预计明日郑州方管价格将维稳观望。

Zhengzhou square tube market prices rose narrowly. Stimulated by good environmental protection, snails continue to strengthen in the near future, Tangshan billet and square tube prices continue to rise, which boosted the Zhengzhou square tube Market today, low-price resources have stopped falling and rebounded, trading volume has also been released, but mostly concentrated in low, high still slowed down. From the perspective of Tangshan market, affected by the stricter environmental protection, square pipe mills have stopped production in an all-round way today, and square pipe mills have strong willingness to bid. In addition, snails remain at a high level, billet prices rise, short-term prices or continue to remain firm. However, in view of the obvious decline in turnover and insufficient momentum to continue to rise, it is expected that the cost will be supported. Tomorrow Zhengzhou square tube prices will remain stable and wait-and-see. 方管价格方面：现唐山产16#工字钢价格为3970元，涨30元；唐山产16#槽钢价格为3960元，涨30元；唐山产5#角钢价格为4080元，涨50元(备注：均为过磅含税价)。

　　唐山方管市场价格偏强运行厂家情绪趋于谨慎唐山方管市场价格偏强运行。元旦期间央行发布自2020年1月6日起降准0.5个百分点，受此利好消息早间期螺高位开盘，唐山方管现货市场价格也是趋稳偏强窄幅上调了10-30元。盘中期螺震荡下行，方管厂家情绪趋于谨慎，但是因…