石家庄镀锌脚手架将以震荡偏弱运行为主整体成交…石家庄脚手架和镀锌脚手架市场价格暂稳。原料方面，今日唐山瑞丰355mm系列带钢价下跌30元，主流管厂出厂价格下调10-20元。今日石家庄焊镀管市场价格暂稳，市场整体成交欠佳。 据当地贸易商反馈，近期上游原材料市…

近期脚手架等原料价格的上涨，早盘钢坯价格拉涨10元，热卷现货贸易商多地维稳观望，午间钢坯价格再涨10元，成本端支撑力度较强。脚手架管坯弱稳，市 场观望心态浓厚，本地脚手架市场交投氛围清淡，价格持稳为主。通过贸易商了解到，市场需求不好，较往年同期出货量下降很多，库存释放缓慢，出现少量积压， 总体情况不佳，商家心态悲观，多暗降出货。预计短期唐山脚手架市价稳中趋弱运行。

Recent increases in raw material prices such as square tubes have pushed up billet prices by 10 yuan in early trading, while hot coil spot traders have been watching steadily, and billet prices have risen by another 10 yuan at noon, with strong cost-side support. Square pipe blank is weak and stable, market wait-and-see mentality is strong, local pipe market trading atmosphere is light, price stability is dominant. Through the traders understand that the market demand is not good, compared with the same period in previous years, the volume of shipments has dropped a lot, inventory release is slow, there is a small backlog, the overall situation is not good, the business mentality is pessimistic, more secretly down shipment. It is expected that the market price of Tangshan Fangguan will weaken in the short run.

今日脚手架管坯价格，现江鑫热轧3920元，连铸3820元，鲁丽热轧3870元，天钢热轧3920元下调10元，连铸3830元下调20元，潍钢热轧3920元，连铸3780元，东方热轧4130元，淮钢4160元，中天4120元，长强4070元，凌钢4330元。27日唐山脚手架市场价格包钢下跌50元。现临沂产57*3.5mm市价4700元稳，临沂108*4.5mm市价4550元，鞍钢108*4.5mm市价4950元稳，包钢377*10mm市价5150元跌50元。

Today's square tube billet price is 3920 yuan for Jiangxin hot rolling, 3820 yuan for continuous casting, 3870 yuan for Luli hot rolling, 10 yuan for Tiangang hot rolling, 20 yuan for continuous casting, 3920 yuan for Weigang hot rolling, 3780 yuan for continuous casting, 4130 yuan for Dongfang hot rolling, 4160 yuan for Huaihua Steel, 4120 yuan for Zhongtian Steel, 4070 yuan for Changqiang Steel and 4330 yuan for Linggang. On the 27th, the Tangshan Fangguan market price of Baotou Steel dropped 50 yuan. Linyi now produces 57*3.5mm at a market price of 4700 yuan, Linyi 108*4.5mm at a market price of 4550 yuan, Angang 108*4.5mm at a market price of 4950 yuan, Baotou Steel 377*10mm at a market price of 5150 yuan. 

　　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 cold…