无锡方管价格或小幅趋弱厂家补货明显谨慎无锡方管价格持稳运行，市场方面，今本地市价主流偏弱，早盘期螺低开低走，加之北方市场弱调，受此影响，本地多下调10左右。据方管厂家反馈，市场交投氛围低迷，下游用户 谨慎刚需为主。临近年底，多数方管厂家订…

临沂型材市场价格小幅下跌。月底临近，方管厂家为促出货，对外报价有小幅下挫。据方管厂家反馈，因正值需求淡季，加上钢材市场马上面临搬迁，政府要求8月18日前，完成市场关停、人员离场、 货物清场，因此，目前方管厂家操作降库存为主，近段时间都未有补货，故库存大幅下降，规格不全，出货一直也不好。短期来看，虽今天钢坯出现止跌反弹，但期螺高 开后震荡回落，市场缺乏重大利好提振，预计近期临沂型材价格将弱稳运行，方管厂家降库为主。

Linyi profile market prices fell slightly. Towards the end of the month, in order to promote the delivery of goods, the quotation of the manufacturer has slightly declined. According to the feedback from the manufacturer, due to the off-season demand and the imminent relocation of the steel market, the government requires that the market should be closed, personnel left and goods cleared before August 18. Therefore, at present, the manufacturer under the control of the party mainly operates to reduce inventory, and there has been no replenishment in recent years, so the inventory has dropped dramatically, specifications are not complete, and the shipment has been going on all the time. Not good either. In the short term, although there is a rebound in the steel slab, the market is short of a significant boost. It is expected that the price of Linyi profiles will be weak and stable in the near future, and the square tube manufacturers will be the main ones. 方管价格方面：现唐山产16-18#工字钢价格为4140元，唐山产16#槽钢价格为4140元，传洋产5#角钢价格为4110元，以上价格均较昨日跌10元。

In terms of square pipe price, the price of 16-18_I-beam steel produced in Tangshan is 4140 yuan, that of 16_channel steel produced in Tangshan is 4140 yuan, and that of 5_angle steel produced in Chuanyang is 4110 yuan, all of which are 10 yuan lower than yesterday.

　　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…