短期方管市场现货仍以弱势震荡为主较上周基本持…银川市场方管价格基本稳定，市场成交一般。包头方管稳报4080/吨，较上周基本持平。目前银川市场资源总量约0.4万吨，总体资源较上周变化不大。目前市场需求较差，市场库存有限，预计短期方管市场现货仍以弱势震荡…

嘉兴方管价格持稳运行，市场方面，今日黑色商品期货呈震荡上行趋势，现货市场价格普遍维持运行，尤其是近期冷轧价格表现较为坚挺。据方管厂家反馈，目前下游需求表现愈发冷清，上午询价 的客户都在减少，市场交投氛围偏淡。但由于8月份方管厂家订货量有所削减，近期市场到货亦是较慢，方管厂家库存普遍呈小幅降低，下游按需配备资源，采购量整体不 大，故市价表现相对坚挺。短期来看，供应将维持偏紧格局，短期内方管厂家无明显补库意愿，预计明日价格盘整趋弱运行。

On the market side, black commodity futures show a concussive upward trend today. Spot market prices generally remain in operation, especially in the recent cold rolling price performance is relatively strong. According to the feedback from the manufacturer, the downstream demand performance is getting colder and colder. The number of inquiry customers in the morning is decreasing, and the trading atmosphere in the market is weak. However, due to the reduction of orders in August and the slow market arrival in the near future, the inventory of Square managers has generally decreased slightly, downstream resources are allocated on demand, and the overall purchasing volume is not large, so the market price performance is relatively strong. In the short run, the supply will remain tight. In the short run, there is no obvious willingness to replenish the warehouse. It is expected that price consolidation will weaken tomorrow. 方管价格方面：马钢1.0*1250*C的冷轧卷报4310元/吨，包钢1.0*1250*C的冷轧卷报4280元/吨，本钢1.5*1250*2500的冷轧卷报4350元/吨。

As for square pipe price, the cold rolled coil of 1.0*1250*C of Masteel is 4310 yuan/ton, the cold rolled coil of 1.0*1250*C of Baotou Steel is 4280 yuan/ton, and the cold rolled coil of 1.5*1250*2500 of Benxi Steel is 4350 yuan/ton.

　　方管和矩形管冷弯成型时不同的特点冷弯方管、冷弯矩形管是通过外辊与管坯外壁的单向接触形成弯矩使带料弯折,冷弯会使弯折线产生压缩,压缩效应使弯折线纵向伸长,弯折处金属出现堆积变厚,这就是冷弯的压缩/增厚效应。Cold-formed square pipe and cold-f…