购买脚手架时最实用的三种脚手架理论重量计算方…脚手架的三种理论重量算法：关于脚手架的重量的计算方法，总共有三种方式。第一种，就是用钢板算法，也就是，将一个正跟的脚手架展开，然后形成一个四片扁钢，然后在对扁钢进行计算。这种计算方法计算出来的重量…

脚手架市场价格主稳个调，今晨唐山地区钢坯率先上调20元，普碳方坯含税出厂3340元，但此举并未能带动脚手架现货市场，今日华北、西南及东北地区商家普遍报价依旧维稳， 西北地区重点城市西安市场价格小幅下调20-30元左右，华东及华南部分城市价格窄幅调整，据商家反馈，由于订货成本高位，加之下游需求不畅，实际成交很 不乐观，目前全国整体库存量较往年虽处于低位，但终端开工率较往年也大幅减弱，国内脚手架厂家心态仍然比较悲观，另外近几日期货虽有触底之势，但并无宏观利 好政策，若期货继续下行难保终端用户观望情绪加重，综上所述，预计明日国内脚手架市场价格应为盘整运行为主。

The price of square tube market is mainly stable. Tangshan area took the lead in raising billet by 20 yuan this morning, and ordinary carbon billet with tax was exported by 3340 yuan, but this did not drive square tube spot market. Nowadays, the general quotation of businessmen in North China, Southwest and Northeast China is still stable. The market price of Xi'an, a key city in Northwest China, has been slightly lowered by 20-30 yuan. According to business feedback, due to high ordering costs and poor demand downstream, the actual transaction is not optimistic. At present, the overall inventory of the whole country is at a low level compared with previous years, but the terminal start-up rate has also been significantly weakened in previous years. Domestic managers'mentality is still pessimistic. In addition, domestic managers' mentality is still pessimistic. In recent days, although the goods have reached the bottom, there is no good macro-policy. If the futures continue to decline and the end-users'wait-and-see mood increases, in summary, it is anticipated that the domestic market price will be dominated by consolidation tomorrow. 脚手架价格方面，国内脚手架市场均价4268元(吨位，下同)，均价较上个成交日下调3元，较上周均价下调10元。

　　上海镀锌脚手架价格将稳中偏弱运行为主整体成交…上海镀锌脚手架市场价格暂稳。今日，上游原材料方坯价格小幅上涨，带钢价格稳，管厂出厂价格普稳个调。近几日期货走势好转，或因中美贸易战缓和等原因，价格触底反弹。目前上海地区镀锌 管价格暂未回涨，整体成交情况…