脚手架和矩形管冷弯成型时不同的特点冷弯脚手架、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…

无锡脚手架价格持续走弱，市场方面，今本地市价主流下行，早盘期螺跳水运行，对节后归来的脚手架市场信心形成一定打击，脚手架厂家操作多低价出货为主。据本地脚手架厂家反馈，降后市场交投表现平平，下游买涨不买跌心态明显。目前部分贸易商表示南北倒挂现象难改，不愿意再进一步扩大亏损，因此采取卖空单不拿货操作来规避风险。考虑到目前成本端难 撑，因此预计短期无锡本地脚手架价格持续趋弱运行。

Wuxi Fangguan prices continue to weaken, the market, today's local market price mainstream downward, snail dive operation in the early trading period, the market confidence returned after the festival formed a certain blow, Fangguan manufacturer operation mainly low-cost shipments. According to feedback from local managed manufacturers, after the fall, the market performance was flat, and the downstream buying-up-and-not-buying-down mentality was obvious. At present, some traders say that the phenomenon of inversion between the north and the south is difficult to change and they are unwilling to further expand their losses. Therefore, short-selling orders are not used to avoid risks. Considering the current cost side is difficult to support, it is expected that the short-term local management price will continue to weaken.

脚手架价格方面：热轧脚手架2.5*(235-355)瑞丰3810，2.5*(145-204)宣钢3800，2.5*(160-355)中天3800，较上个交易日下跌20元/吨。

As for square pipe price, hot-rolled square pipe 2.5* (235-355), Ruifeng 3810, 2.5* (145-204), Xuanhua Steel 3800, 2.5* (160-355) Zhongtian 3800, down 20 yuan/ton from the previous trading day. 

　　银川脚手架价格多是继续以稳为主市场需求一般银川市场脚手架价格基本稳定，市场成交一般。从市场上了解到，近期酒钢、八钢资源到货不多，市场库存小幅下降。据不完全统计，现在银川市场脚手架库存 量在0.4万吨，比上周减少0.05万吨。由于脚手架厂家目前库存多是前…