贵阳市场主流脚手架价格持稳运行厂家对此均较为…贵阳市场主流脚手架价格持稳运行，今日期螺强势拉升，突破3900点位，截至收盘累涨144点。唐山方坯今日累涨20元，现普碳方坯含税出厂3580。今日期螺震荡上行，贵阳脚手架市场成交情况稍 有好转，大户出货在1500吨…

脚手架市场价格主稳个调。今日起唐山钢厂正常生产，预计生产15日，下半月将会停产15天，钢厂端尽力生产之前计划订单，补缺市场缺货规格，而产后需求依然不见起色，北方 地区基本偏稳，市场观望心态较重。其他钢厂涨价消息：8月1日起，河北津西钢铁集团华北、东北直销处及全国协议户大、小型钢价格统一含税上调30元/吨。 8月1日起，莱钢H型钢出厂价上调100元。南方地区整体偏稳价格波动较小，出货依然乏力，市场资源也在尽力补缺，高温天气对市场成交也有一定影响，午后 钢坯稳，现普碳方坯含税出厂3650元，成本尚有一定支撑，期螺地位震荡，市场心态仍有一定打击，预计明日国内脚手架市场价格窄幅波动为主。

The market price should be adjusted steadily. Tangshan Iron and Steel Works is now in normal production. It is expected that production will stop for 15 days on the 15th day and 15 days in the second half of the month. The end of the steel mill will try its best to plan orders before production to fill the shortage of specifications in the market. However, the demand after production is still not improving. The northern region is basically stable and the market wait-and-see mentality is heavy. Other steel mill price increase news: On August 1, Hebei Jinxi Iron and Steel Group North China, Northeast Direct Sales Office and the national agreement households large and small steel prices, including taxes, increased by 30 yuan/ton. On August 1, the ex-factory price of H-section steel increased by 100 yuan. Southern China's overall stable prices fluctuate slightly, shipments are still weak, market resources are trying to make up for the shortage, high temperature weather also has a certain impact on market transactions, afternoon billet is stable, now ordinary carbon billet with a tax of 3650 yuan, cost still has some support, snail status shocks, market mentality still has a certain blow, it is expected that tomorrow's country. Narrow price fluctuations in the domestic market are dominant. 脚手架价格方面：现国内重点中心城市25#工字钢的平均价格是4256元(吨价，下同)，较昨日市场 价格稳；25#槽钢平均价格是4317元，较昨日市场价格稳；5#角钢平均价格是4245元，较昨日市场价格稳；200*200H型钢平均价格是4000 元，较昨日市场价格涨5元。

As for square pipe price, the average price of 25# I-beam in key cities in China is 4256 yuan (ton price, the same below), which is more stable than yesterday's market price; the average price of 25# channel steel is 4317 yuan, which is more stable than yesterday's market price; the average price of 5# angle steel is 4245 yuan, which is more stable than yesterday's market price; the average price of 200_200H steel is 4000 yuan, which is more stable than yesterday's market price. The market price rose 5 yuan yesterday.

　　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…