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…

上海镀锌脚手架市场价格暂稳。今日上游原材料价格暂稳，管厂出厂价格普稳个调。目前上海地区镀锌脚手架价格保持平稳，整体成交情况欠佳。据当地钢贸商反映，近期市场需求仍无明显好 转，出货水平整周维持低量成交。脚手架厂家对后市信心不足，脚手架厂家心态偏悲观，保持观望情绪。库存方面持续低位水平运行，按需补货，操作谨慎。整体来看，预计短 期内上海镀锌脚手架市场价格将稳中偏弱运行为主。

The market price of galvanized square tubes in Shanghai is stable for the time being. Today, the price of raw materials in the upstream is temporarily stable, and the ex-factory price of the pipe factory is generally stable. At present, the price of galvanized square tubes in Shanghai has remained stable, and the overall turnover is not good. According to local steel traders, the market demand has not improved significantly in the near future, and the delivery level has maintained a low turnover throughout the week. Traders are not confident about the future market, they are pessimistic about the manufacturers and keep a wait-and-see mood. Inventory continues to operate at a low level, replenishing on demand and operating cautiously. Overall, it is expected that the market price of galvanized square tubes in Shanghai will be stable, moderate and weak in the near future. 原料方面，今日下午唐山普碳150方坯价格暂稳，报价3370元；唐山瑞丰355mm系列带钢价格暂稳，报价3680元。河北地区主流焊镀管厂出厂价格普稳，个别下调20。

In terms of raw materials, the price of Tangshan Pucarbon 150 billet was temporarily stable this afternoon with a quotation of 3370 yuan, while the price of Tangshan Ruifeng 355mm series strip was temporarily stable with a quotation of 3680 yuan. Prices of main welded and plated pipe plants in Hebei province are stable, with individual price cuts of 20%.

镀锌脚手架价格：友发产4寸(3.5mm)镀锌脚手架价格4830元，正金元产4寸(3.5mm)镀锌脚手架价格4720元，利达产4寸(3.5mm)镀锌脚手架价格4910元，以上均与上个交易日持平。

　　移动脚手架脚轮在选择时需要注意哪些事项？脚轮是挪动脚手架的一个重要的配件，脚轮的好坏直接影响到挪动脚手架在实际使用中的作用和感触，那么脚轮的选购应该注重哪些方面呢？选购脚轮需注重以下几个方面：1．移动脚手架的轮子材质：这个很重要，一般有PU,TPR…