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…

脚手架市场价格弱势运行。主导市场，北京、天津、上海、广州均出现下跌。随着期螺夜盘的走低，市场观望情绪转浓，不过下游需求依旧较 弱，因此周末市场表现普遍低迷。今早开盘，期螺震荡向下后维持低位平稳运行，期螺走势对市场没有任何提振，同时也没有大的利好进入市场，所以今日市场价格 弱势运行。从市场了解到，今日各地市场成交普遍低迷，京津冀地区受大雨天气影响，整体出货较差，北京脚手架10家大户出货量合计0.5万吨，比周五少了 0.25万吨；杭州地区午后再降20，主流报价至3910，市场反馈成交偏弱；广州市场反馈同样不佳，近期市场也没什么投机需求，不过脚手架厂家情绪较为平和。 整体看来，今日各地成交不佳，期螺走低，钢坯尾盘也降了20，故预计明日市场行情或弱势调整。

Controlling the weak operation of market price. Leading markets, Beijing, Tianjin, Shanghai and Guangzhou all fell. With the decline of the snail night disc, market sentiment has become strong, but downstream demand is still weak, so the weekend market performance is generally depressed. Opening this morning, the concussion of futures continued to run smoothly downward and downward. The trend of futures did not give any boost to the market, but also did not have a big advantage to enter the market, so today's market price is weak. From the market, we know that the market turnover is generally depressed everywhere today. Beijing, Tianjin and Hebei are affected by heavy rain, and the overall shipment is poor. The total shipment volume of 10 big households in Beijing is 0.5 million tons, which is 0.25 million tons less than that on Friday. In Hangzhou, the market feedback is weak after the afternoon drop of 20, the mainstream quotation is 3910, and the market feedback of Guangzhou is weak. It's not good. There's no speculative demand in the market in the near future, but the mood of the factories in charge of Fang Guan is relatively calm. Overall, today's local transactions are not good, snails down, billet tail also fell by 20, so it is expected that tomorrow's market or weak adjustment. 脚手架价格方面，国内重点城市Ф6.0mm 高线平均价格为4358元(吨价，下同),跌15元；国内重点城市Ф25mm三级螺纹钢平均价格3995元，跌19元。主导城市方面：北京高线 (6mm)4900元，持平；三级螺纹钢(25mm)主流规格3940元，跌10元；上海市场高线4250元，跌20元；三级螺纹钢3940元，跌20元。

In terms of square pipe price, the average price of 6.0mm high-speed line in key cities in China is 4358 yuan (ton price, the same below), down 15 yuan; the average price of_25mm three-grade threaded steel in key cities in China is 3995 yuan, down 19 yuan. Leading cities: Beijing high-speed line (6mm) 4900 yuan, flat; third-grade thread steel (25mm) mainstream specification 3940 yuan, down 10 yuan; Shanghai high-speed line 4250 yuan, down 20 yuan; third-grade thread steel 3940 yuan, down 20 yuan.

　　预计下周上海脚手架价格或趋弱震荡终端需求略显…本周上海脚手架市场价格下跌为主。周初期螺表现不佳，脚手架市场交投氛围不理想，随着市场价格下跌30-40元/吨。终端需求略显 积极，脚手架市场低位资源成交稍有回暖，市场低位资源放量尚可，脚手架厂家心态出现缓和，…