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…

上海方管市场价格稳中趋弱。今日开盘期货依然起起伏伏，上午断续上升，下午 平稳下降。方管厂家反映，市场传闻监管层已去永安期货调研，致使期货应声下跌。随后永安方面明确回应，近期没有监管层去永安调研了解情况，公司也不存在恶意 操纵期货市场的嫌疑。尾盘小幅回涨。贸易商卷板订单方面走量也没有好转，由于下游需求不佳，大户成交量也仅仅在300多吨左右，中小户目前处于零零散散成 交状态，市场整体交投氛围比较惨淡，方管厂家依然守在观望状态，并没有进一步发展，方管厂家操作比较谨慎。预计，明日上海方管市场小幅下降趋势。

Shanghai Fangguan market price is stabilizing and weakening. Today's opening futures are still fluctuating, rising intermittently in the morning and falling steadily in the afternoon. Fangguan manufacturers reflect that market rumors that the regulatory authorities have gone to Yongan futures research, resulting in a decline in futures. Then Yongan responded clearly that there was no supervisor to investigate the situation in Yongan in the near future, and there was no suspicion of malicious manipulation of the futures market. The tail slightly rebounded. The unilateral volume of trader's roll-sheet orders has not improved. Because of the poor downstream demand, the turnover of large households is only about 300 tons. At present, small and medium-sized households are in a fragmented and scattered trading state. The overall trading atmosphere of the market is rather bleak. The square managed manufacturers are still in a wait-and-see state, and have not further developed. The square managed manufacturers'operation ratio is not improved. Be more cautious. It is expected that the Shanghai Square Management Market will decline slightly tomorrow.

方管价格方面，4日10点上海热轧:普卷，2.75mm本钢4020元(吨价，下 同)，5.5mm宁钢3910元、沙钢3910元、鞍钢3910元；5.5mm本钢锰钢4040元；暂稳。

　　乐从方管或以弱势震荡运行为主方管厂家有惜货现…本周乐从方管强势运行，成交较好。回顾本周，周初受期货市场强势运行，加上市场资源紧缺，到货情况缓慢，库存低位运行，等因素影响，现货市场方管厂家报价拉涨幅度较大，方管厂家有惜货现象，而后中期期货市场震荡运行…