国内脚手架或将窄幅趋弱运行为主成交量一般脚手架价格稳中趋弱，今日唐山小窄带价格开盘持稳，成交量一般，尤其部分高价企业更是成交寥寥，因此厂家盘中回降以求出货，部分企业更是盘中 累降。今日期货市场持续高位运行，唐山普方坯市场持稳运行，钢坯直发…

唐山脚手架市场价格部分上涨。受早盘钢坯上涨提振，今日唐山脚手架价格小幅上涨，期螺持续攀升提振，低位成交好转，厂商报价陆续高靠，截止16点统计唐23家脚手架厂共出货 65750吨，较昨日上升45.4%。工7家12300吨，槽12家23500吨，角5家29950吨。午盘钢坯追涨10，累涨20至3580，成本再度 走强，期螺拉涨提振，市场采购积极性提升。目前轧钢厂仍在执行轮产政策，库存压力不大，部分钢厂有挺价意愿，故预计明日唐山脚手架价格或稳中趋高整理，关注夜盘走势。

Tangshan Fangguan market prices rose in part. Thanks to the rising billet in the early plate, the price of Tangshan square pipe rose slightly today, the snail continued to climb, the low turnover improved, and the quotation of manufacturer increased steadily. As of 16:00, 23 square pipe factories in Tangshan shipped 65 750 tons, up 45.4% from yesterday. There are 7 workshops with 12,300 tons, 12 tanks with 23,500 tons and 5 corners with 29,950 tons. Midday steel billet surge 10, cumulative increase 20 to 3580, cost strength again, snail rally boost, market procurement enthusiasm increased. At present, the rolling mill is still carrying out the policy of rotating production, the stock pressure is not large, and some steel mills have the willingness to make a bid. Therefore, it is expected that the price of Tangshan Square Management will be steadily tidied up tomorrow and pay attention to the trend of night disc. 价格方面：现唐城产16-20工报价3910元，涨10元；大成产14-16工报价 3920元，涨10元；正丰产5#角钢报价3930元，稳；申达产14-20号槽钢报3900元，涨20元；电力产22-25#槽钢报价4000元，稳。

Price: Tangcheng 16-20 workers quoted 3910 yuan, up 10 yuan; Dacheng 14-16 workers quoted 3920 yuan, up 10 yuan; Zhengyi 5 # angle steel quoted 3930 yuan, stable; Shenda 14-20 channel steel quoted 3900 yuan, up 20 yuan; Electricity 22-25 channel steel quoted 4000 yuan, stable.

　　分析脚手架表面缺陷的五种检测方法脚手架表面缺陷的检测方法，主要有以下五种：一电涡流检测.电涡流检测有多种形式，常用的有常规涡流检测、远场涡流检测、多频涡流检测和脉冲涡流检测等，利用电涡流传感器对金属进行感应，脚手架表面不同缺陷类型和形…